{"id":6680,"date":"2025-03-16T05:47:51","date_gmt":"2025-03-16T04:47:51","guid":{"rendered":"https:\/\/www.lrob.fr\/?page_id=6680"},"modified":"2025-11-05T03:13:09","modified_gmt":"2025-11-05T02:13:09","slug":"domain-info","status":"publish","type":"page","link":"https:\/\/www.lrob.fr\/en\/domain-info\/","title":{"rendered":"Domain name information"},"content":{"rendered":"<p>WHOIS, IP, rDNS, MX: A simple, effective tool for getting all the info on a domain at a glance!<\/p>\n\n\n\n<p>Enter a domain name to obtain all public information about it.<\/p>\n\n\n<div class=\"lrob-whois-container\" id=\"lrob-whois-3072806202\" \n     data-attrs='{&quot;primaryColor&quot;:&quot;#0073e6&quot;,&quot;secondaryColor&quot;:&quot;#005bb5&quot;,&quot;backgroundColor&quot;:&quot;#fafafa&quot;,&quot;textColor&quot;:&quot;#333333&quot;,&quot;borderColor&quot;:&quot;#cccccc&quot;,&quot;placeholderText&quot;:&quot;Entrez un nom de domaine (exemple.fr)&quot;,&quot;buttonText&quot;:&quot;Analyser&quot;,&quot;titleGeneral&quot;:&quot;Informations G\\u00e9n\\u00e9rales&quot;,&quot;titleEmail&quot;:&quot;Configuration Email&quot;,&quot;titleDNS&quot;:&quot;Enregistrements DNS&quot;,&quot;titleWhois&quot;:&quot;Informations WHOIS&quot;,&quot;showIPv4&quot;:true,&quot;showIPv6&quot;:true,&quot;showMX&quot;:true,&quot;showSPF&quot;:true,&quot;showDMARC&quot;:true,&quot;showDKIM&quot;:true,&quot;showNS&quot;:true,&quot;showSOA&quot;:true,&quot;showTXT&quot;:true,&quot;showCAA&quot;:true,&quot;showDNSSEC&quot;:true,&quot;showWhois&quot;:true,&quot;showTTL&quot;:true,&quot;showHints&quot;:true,&quot;TrpContentRestriction&quot;:{&quot;restriction_type&quot;:&quot;exclude&quot;,&quot;selected_languages&quot;:[],&quot;panel_open&quot;:true}}'\n     style=\"--lrob-primary-color: #0073e6;             --lrob-secondary-color: #005bb5;             --lrob-bg-color: #fafafa;             --lrob-text-color: #333333;             --lrob-border-color: #cccccc;\">\n    \n    <div class=\"lrob-whois-form-wrapper\">\n        <form class=\"lrob-whois-form\" method=\"get\" action=\"\">\n            <input type=\"text\" \n                   name=\"domain\" \n                   class=\"lrob-whois-input\" \n                   placeholder=\"Enter a domain name (example.fr)\" \n                   value=\"\"\n                   required>\n            <button type=\"submit\" class=\"lrob-whois-button\">\n                Analyze            <\/button>\n        <input type=\"hidden\" name=\"trp-form-language\" value=\"en\"\/><\/form>\n    <\/div>\n\n    <div class=\"lrob-whois-loading\" style=\"display: none;\">\n        <div class=\"lrob-spinner\"><\/div>\n        <p>Analysis in progress...<\/p>\n    <\/div>\n\n    <div class=\"lrob-whois-error\" style=\"display: none;\"><\/div>\n\n    <div class=\"lrob-whois-results\" style=\"display: none;\">\n        <div class=\"lrob-whois-header\">\n            <h2 class=\"lrob-whois-domain-title\"><\/h2>\n            <div class=\"lrob-whois-share\">\n                <button class=\"lrob-share-button\" title=\"Copy link\">\n                    <svg width=\"20\" height=\"20\" viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\">\n                        <path d=\"M10 13a5 5 0 0 0 7.54.54l3-3a5 5 0 0 0-7.07-7.07l-1.72 1.71\"><\/path>\n                        <path d=\"M14 11a5 5 0 0 0-7.54-.54l-3 3a5 5 0 0 0 7.07 7.07l1.71-1.71\"><\/path>\n                    <\/svg>\n                <\/button>\n                <span class=\"lrob-copy-feedback\"><\/span>\n            <\/div>\n        <\/div>\n\n        <div class=\"lrob-tabs\">\n            <div class=\"lrob-tab-buttons\">\n                <button class=\"lrob-tab-button active\" data-tab=\"general\">\n                    General information                <\/button>\n                <button class=\"lrob-tab-button\" data-tab=\"email\">\n                    Email configuration                <\/button>\n                <button class=\"lrob-tab-button\" data-tab=\"dns\">\n                    DNS records                <\/button>\n                                <button class=\"lrob-tab-button\" data-tab=\"whois\">\n                    WHOIS information                <\/button>\n                            <\/div>\n\n            <div class=\"lrob-tab-content active\" data-tab=\"general\">\n                <div class=\"lrob-info-grid\">\n                    <div class=\"lrob-info-section\" data-section=\"domain-info\">\n                        <h3>\n                            Domain information\n                                                        <span class=\"lrob-hint\" data-hint=\"domain-info\">?<\/span>\n                                                    <\/h3>\n                        <div class=\"lrob-info-content\"><\/div>\n                    <\/div>\n\n                                        <div class=\"lrob-info-section\" data-section=\"ip\">\n                        <h3>\n                            IP addresses\n                                                        <span class=\"lrob-hint\" data-hint=\"ip\">?<\/span>\n                                                    <\/h3>\n                        <div class=\"lrob-info-content\"><\/div>\n                    <\/div>\n                    \n                    <div class=\"lrob-info-section\" data-section=\"email-summary\">\n                        <h3>\n                            Email configuration (summary)\n                                                        <span class=\"lrob-hint\" data-hint=\"email-summary\">?<\/span>\n                                                    <\/h3>\n                        <div class=\"lrob-info-content\"><\/div>\n                    <\/div>\n\n                                        <div class=\"lrob-info-section\" data-section=\"ns\">\n                        <h3>\n                            Nameservers DNS (zone)\n                                                        <span class=\"lrob-hint\" data-hint=\"ns\">?<\/span>\n                                                    <\/h3>\n                        <div class=\"lrob-info-content\"><\/div>\n                    <\/div>\n                    \n                                        <div class=\"lrob-info-section\" data-section=\"soa\">\n                        <h3>\n                            SOA\n                                                        <span class=\"lrob-hint\" data-hint=\"soa\">?<\/span>\n                                                    <\/h3>\n                        <div class=\"lrob-info-content\"><\/div>\n                    <\/div>\n                                    <\/div>\n            <\/div>\n\n            <div class=\"lrob-tab-content\" data-tab=\"email\">\n                <div class=\"lrob-info-grid\">\n                                        <div class=\"lrob-info-section\" data-section=\"mx\">\n                        <h3>\n                            MX Records\n                                                        <span class=\"lrob-hint\" data-hint=\"mx\">?<\/span>\n                                                    <\/h3>\n                        <div class=\"lrob-info-content\"><\/div>\n                    <\/div>\n                    \n                                        <div class=\"lrob-info-section\" data-section=\"spf\">\n                        <h3>\n                            SPF\n                                                        <span class=\"lrob-hint\" data-hint=\"spf\">?<\/span>\n                                                    <\/h3>\n                        <div class=\"lrob-info-content\"><\/div>\n                    <\/div>\n                    \n                                        <div class=\"lrob-info-section\" data-section=\"dmarc\">\n                        <h3>\n                            DMARC\n                                                        <span class=\"lrob-hint\" data-hint=\"dmarc\">?<\/span>\n                                                    <\/h3>\n                        <div class=\"lrob-info-content\"><\/div>\n                    <\/div>\n                    \n                                        <div class=\"lrob-info-section\" data-section=\"dkim\">\n                        <h3>\n                            DKIM\n                                                        <span class=\"lrob-hint\" data-hint=\"dkim\">?<\/span>\n                                                    <\/h3>\n                        <div class=\"lrob-info-content\"><\/div>\n                    <\/div>\n                                    <\/div>\n            <\/div>\n\n            <div class=\"lrob-tab-content\" data-tab=\"dns\">\n                <div class=\"lrob-info-grid\">\n                                        <div class=\"lrob-info-section\" data-section=\"txt\">\n                        <h3>\n                            TXT Records\n                                                        <span class=\"lrob-hint\" data-hint=\"txt\">?<\/span>\n                                                    <\/h3>\n                        <div class=\"lrob-info-content\"><\/div>\n                    <\/div>\n                    \n                                        <div class=\"lrob-info-section\" data-section=\"caa\">\n                        <h3>\n                            CAA Records\n                                                        <span class=\"lrob-hint\" data-hint=\"caa\">?<\/span>\n                                                    <\/h3>\n                        <div class=\"lrob-info-content\"><\/div>\n                    <\/div>\n                    \n                                        <div class=\"lrob-info-section\" data-section=\"dnssec\">\n                        <h3>\n                            DNSSEC\n                                                        <span class=\"lrob-hint\" data-hint=\"dnssec\">?<\/span>\n                                                    <\/h3>\n                        <div class=\"lrob-info-content\"><\/div>\n                    <\/div>\n                                    <\/div>\n            <\/div>\n\n                        <div class=\"lrob-tab-content\" data-tab=\"whois\">\n                <div class=\"lrob-info-section\" data-section=\"whois\">\n                    <div class=\"lrob-info-content\"><\/div>\n                <\/div>\n            <\/div>\n                    <\/div>\n    <\/div>\n\n    <div class=\"lrob-hint-tooltip\" style=\"display: none;\"><\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-a89b3969 wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/www.lrob.fr\/en\/web-hosting\/\">Choose the fastest web host<\/a><\/div>\n<\/div>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" style=\"margin-top:var(--wp--preset--spacing--70);margin-bottom:var(--wp--preset--spacing--70)\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">About this domain analysis tool<\/h2>\n\n\n\n<p>This tool is a service <strong>free and independent<\/strong>, developed entirely by <strong>LRob<\/strong>, expert in web security and hosting.<br>It has been designed to offer everyone - professionals and private individuals alike - an easy-to-use <strong>simple, transparent access to public technical information<\/strong> of a domain name: WHOIS, DNS, IP, email configuration, DNSSEC, and much more.<\/p>\n\n\n\n<p>Unlike many commercial services, the <strong>is not dependent on any advertising network or registrar<\/strong>.<br>Its objective is clear: to provide <strong>reliable, neutral and privacy-friendly analysis<\/strong> without abusive data collection or compulsory registration.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">A free tool designed for transparency and security<\/h3>\n\n\n\n<p>Developed by <strong>LRob<\/strong>, a WordPress and web infrastructure security specialist, this tool is part of an approach to <strong>transparency and digital education<\/strong>.<br>By making WHOIS and DNS data accessible to all, it allows you to :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>check the <strong>ownership and validity of a domain<\/strong>,<\/li>\n\n\n\n<li>identify <strong>DNS servers and associated IP<\/strong>,<\/li>\n\n\n\n<li>control the <strong>mailbox configuration<\/strong> (SPF, DKIM, DMARC),<\/li>\n\n\n\n<li>and detect possible <strong>security or configuration problems<\/strong>.<\/li>\n<\/ul>\n\n\n\n<p>This open approach makes it easy to diagnose, maintain and understand how domain names work - an essential asset for any web administrator, SEO consultant or curious user.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Why use this tool rather than another?<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\ud83e\udde9 <strong>Independent<\/strong> developed and maintained by LRob, without influence from advertisers or third-party suppliers.<\/li>\n\n\n\n<li>\ud83d\udd12 <strong>Respectful of privacy<\/strong> no user data is stored or shared.<\/li>\n\n\n\n<li>\u2699\ufe0f <strong>Transparent<\/strong> results come directly from public WHOIS and DNS queries.<\/li>\n\n\n\n<li>\ud83d\udca1 <strong>Educational<\/strong> Each section (WHOIS, DNS, email, DNSSEC...) is presented in a clear and understandable way.<\/li>\n\n\n\n<li>\ud83c\udf0d <strong>Accessible to all<\/strong> No registration required, and the analysis is available for all public domains (.fr, .com, .net, etc.).<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">In a nutshell<\/h3>\n\n\n\n<p>This free domain analysis tool developed by LRob is a <strong>a complete, independent and ethical solution<\/strong> to explore and understand the configuration of a website or e-mail service.<br>Whether you are <strong>webmaster, administrator, SEO or advanced user<\/strong>, it helps you to <strong>save time, secure your services<\/strong> and better master your digital environment.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Frequently asked questions about the LRob domain analysis tool<\/h2>\n\n\n<div id=\"rank-math-faq\" class=\"rank-math-block\">\n<div class=\"rank-math-list\">\n<div id=\"faq-question-1762308132966\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question\"><strong>Is this domain analysis tool free?<\/strong><\/h3>\n<div class=\"rank-math-answer\">\n\n<p>Yes. The tool developed by LRob is entirely <strong>free and open to all<\/strong>. It requires no registration, subscription or collection of personal data. It has been designed to offer a useful service to the web community, without advertising or commercial dependence.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1762308191454\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question\">What information can I obtain with this tool?<\/h3>\n<div class=\"rank-math-answer\">\n\n<p>The analysis provides comprehensive information on a : <strong>WHOIS<\/strong>, <strong>DNS servers<\/strong>, <strong>IP addresses<\/strong>, <strong>rDNS<\/strong>, <strong>DNSSEC<\/strong>, and email configuration (<strong>MX, SPF, DKIM, DMARC<\/strong>).<br \/>The aim is to provide a clear, practical technical overview for safety diagnostics and audits.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1762308200297\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question\">What is the purpose of the LRob domain analysis tool?<\/h3>\n<div class=\"rank-math-answer\">\n\n<p>This tool provides <strong>all public information related to a domain name<\/strong> WHOIS, DNS, IP, rDNS, email configuration (MX, SPF, DKIM, DMARC), DNSSEC, and much more.<br \/>It helps you <strong>check a site's technical configuration<\/strong>, \u00e0 <strong>detect DNS errors<\/strong>, or to <strong>auditing safety and reputation<\/strong> an Internet domain.<br \/>It's a tool <strong>free, independent and respectful of privacy<\/strong>, developed by <strong>LRob<\/strong>, expert in web security and hosting.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1762308210413\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question\"><strong>Who is this tool for?<\/strong><\/h3>\n<div class=\"rank-math-answer\">\n\n<p>The tool is aimed at a wide audience:<br \/><strong>System administrators and webmasters<\/strong>, to control the configuration of their servers and domain names.<br \/><strong>Messaging managers<\/strong>, to check SPF, DKIM and DMARC compliance and avoid spam.<br \/><strong>SEO consultants<\/strong>, to analyze the technical structure of competing domains.<br \/><strong>Cybersecurity experts<\/strong>, to audit DNS and detect anomalies.<br \/>And <strong>curious users<\/strong>, who simply want to know who owns a site or how it's configured.<br \/>This tool has been designed to be <strong>simple, transparent and accessible to all<\/strong>, without registration or dependence on a third-party service.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1762308221215\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question\">Who develops and maintains this tool?<\/h3>\n<div class=\"rank-math-answer\">\n\n<p>The tool has been developed by <strong>LRob, web hosting specialist in WordPress, DNS and web security.<\/strong><br \/>This is a <strong>independent<\/strong>, was born out of the need for a comprehensive, fast and privacy-friendly diagnostic tool.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1762308305710\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question\">What is the purpose of SPF, DKIM and DMARC records?<\/h3>\n<div class=\"rank-math-answer\">\n\n<p>These registrations protect your domain against <strong>spam and identity theft (phishing)<\/strong>. They allow you to check that emails sent from your domain are authorized and authentic.<br \/>The LRob tool verifies their presence and validity to reinforce the security of your communications.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1762308443027\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question\">What is an MX recording?<\/h3>\n<div class=\"rank-math-answer\">\n\n<p>Registration <strong>MX (Mail eXchanger)<\/strong> indicates the <strong>email reception server<\/strong> for a domain. Without this entry in the DNS zone, a domain cannot receive e-mails.<br \/>At <strong>LRob<\/strong>, MX servers always point to a <strong>domain name (FQDN)<\/strong>, and not a direct IP address. Example:<br \/><code>MX 0 mail.monsite.tld.<\/code><br \/>This means that emails to <code>@monsite.tld<\/code> will be received by the server <code>mail.monsite.tld<\/code>.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1762308456039\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question\">What is the purpose of the FQDN, HELO and rDNS?<\/h3>\n<div class=\"rank-math-answer\">\n\n<p>When a server sends an email, it identifies itself with the message <strong>HELO<\/strong>.<br \/>To be considered legitimate :<br \/>The HELO must be a <strong>Valid FQDN<\/strong> (full domain name).<br \/>This FQDN must <strong>match reverse DNS (rDNS)<\/strong> server IP address.<br \/>The rDNS must not be generic (such as <code>ip123.provider.net<\/code>).<br \/>At <strong>LRob<\/strong>, servers reject emails with an incorrect HELO to combat spam and compromised servers.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1762308473734\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question\">What is SPF registration and what is it used for?<\/h3>\n<div class=\"rank-math-answer\">\n\n<p>Visit <strong>SPF (Sender Policy Framework)<\/strong> is a TXT DNS rule that defines <strong>which servers are authorized to send emails<\/strong> for a domain.<br \/>Example of an SPF rule used by LRob :<br \/><code>v=spf1 +mx include:_spf.lrob.net -all<\/code><br \/>It means: \u201conly the domain's MX servers and those of LRob can send emails for this domain\u201d.<br \/>A well-configured SPF greatly reduces the risk of address spoofing (phishing).<br \/>\ud83d\udc49 Common errors: having multiple SPF rules or using an unauthorized SMTP server.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1762308491427\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question\">What is DKIM?<\/h3>\n<div class=\"rank-math-answer\">\n\n<p>Visit <strong>DKIM (DomainKeys Identified Mail)<\/strong> adds a <strong>digital signature<\/strong> to outgoing emails.<br \/>This signature is verified by the recipient servers using a <strong>public key<\/strong> published in the domain's DNS zone.<br \/>This guarantees that the message has not been modified in transit.<br \/>At <strong>LRob<\/strong>, DKIM can be activated simply via <strong>Plesk \u2192 Mail settings \u2192 DKIM<\/strong>.<br \/>Once activated, a TXT entry is automatically added in :<br \/><code>default._domainkey.monsite.tld<\/code>.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1762308503433\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question\">What is DMARC?<\/h3>\n<div class=\"rank-math-answer\">\n\n<p>Visit <strong>DMARC (Domain-based Message Authentication, Reporting and Conformance)<\/strong> is a complementary protocol to SPF and DKIM.<br \/>It defines <strong>how the destination server should react<\/strong> if an email fails both checks (reject, mark as spam, etc.).<br \/>Example of a DMARC rule used at LRob :<br \/><code>v=DMARC1; p=reject; sp=reject; aspf=s; rua=mailto:dmarcreport@lrob.fr; ruf=mailto:dmarcreport@lrob.fr; rf=afrf; pct=100; ri=172800<\/code><br \/>This policy rejects non-compliant emails and sends <strong>audit reports<\/strong> to the domain administrator.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1762308510378\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question\">What is DNSSEC?<\/h3>\n<div class=\"rank-math-answer\">\n\n<p>Visit <strong>DNSSEC (Domain Name System Security Extensions)<\/strong> adds a layer of security to DNS resolution.<br \/>It guarantees that DNS responses come from authorized servers and have not been modified.<br \/>When DNSSEC is enabled <strong>DS (Delegation Signer)<\/strong> and <strong>DNSKEY<\/strong> are published.<br \/>The LRob tool checks the presence and validity of DNSSEC for each domain analyzed.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1762308527744\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question\">What does an A or AAAA input mean?<\/h3>\n<div class=\"rank-math-answer\">\n\n<p>One entry <strong>A<\/strong> associates a domain with an address <strong>IPv4<\/strong> (e.g. <code>A 138.201.17.216<\/code>).<br \/>One entry <strong>AAAA<\/strong> associates the domain with an address <strong>IPv6<\/strong> (e.g. <code>AAAA 2a01:4f8:171:28e8::2<\/code>).<br \/>These records determine <strong>which machine the website points to<\/strong> or the associated server.<br \/>A domain can include both types of entries to ensure IPv4\/IPv6 compatibility.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1762308536843\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question\">What's the difference between CNAME and A?<\/h3>\n<div class=\"rank-math-answer\">\n\n<p>A <strong>CNAME (Canonical Name)<\/strong> is a <strong>DNS alias<\/strong> redirects a sub-domain to another domain name.<br \/>For example:<br \/><code>www CNAME site.tld.<\/code><br \/>This means that <code>www.site.tld<\/code> points to the same address as <code>site.tld<\/code>.<br \/>A recording <strong>A<\/strong>, points directly to a <strong>IP address<\/strong>.<br \/>\ud83d\udc49 A CNAME cannot coexist with an A record for the same name.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1762308547231\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question\">What is a TXT record in a DNS zone?<\/h3>\n<div class=\"rank-math-answer\">\n\n<p>Visit <strong>TXT records<\/strong> contain textual information interpreted by other services.<br \/>They are often used for :<br \/>Visit <strong>domain ownership checks<\/strong> (Google, Microsoft, etc.)<br \/>The rules <strong>SPF, DKIM or DMARC<\/strong><br \/>Security features such as \u201cHosted by LRob\u201d.\u201d<br \/>Example:<br \/><code>TXT \"v=spf1 include:_spf.lrob.net -all\"<\/code><br \/><code>TXT \"google-site-verification=abcd1234\"<\/code><\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1762308571914\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question\">What is CAA registration?<\/h3>\n<div class=\"rank-math-answer\">\n\n<p>Recordings <strong>CAA (Certification Authority Authorization)<\/strong> determine <strong>which certification authorities (CAs)<\/strong> are authorized to issue SSL\/TLS certificates for your domain.<br \/>LRob's default configuration allows <strong>Let's Encrypt<\/strong> :<br \/><code>CAA 0 issue \"letsencrypt.org\"<\/code><br \/>This prevents other authorities from creating an unauthorized certificate for your site.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1762308579184\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question\">What is a blacklist and why is it important?<\/h3>\n<div class=\"rank-math-answer\">\n\n<p>Visit <strong>blacklists<\/strong> lists IP addresses associated with the sending of spam.<br \/>If a domain's outgoing server is listed, its emails may be <strong>rejected<\/strong> or marked as undesirable.<br \/>The LRob tool does more than just perform DNS analysis: it can also <strong>indicate server reputation<\/strong> and help identify blockages linked to these blacklists.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1762308585520\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question\"><strong>Why is DNS consistency crucial?<\/strong><\/h3>\n<div class=\"rank-math-answer\">\n\n<p>A poorly configured DNS zone (duplicate entries, inconsistent rDNS, multiple SPFs, etc.) can cause :<br \/>email sending\/receiving errors,<br \/>safety issues,<br \/>and a general decline in domain reliability.<br \/>The LRob analysis tool highlights these inconsistencies, helping to <strong>quickly correct common errors<\/strong>.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1762308596538\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question\">Is the LRob analysis tool independent?<\/h3>\n<div class=\"rank-math-answer\">\n\n<p>Yes. The tool is <strong>developed and maintained entirely by LRob<\/strong>, without advertising sales or commercial partnerships.<br \/>It is based on direct WHOIS and DNS queries, and guarantees <strong>neutral, fast and privacy-friendly analysis<\/strong>, and does not store any user data.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1762308705902\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question\">How reliable is the LRob tool?<\/h3>\n<div class=\"rank-math-answer\">\n\n<p>Yes. The results come directly from <strong>public WHOIS and DNS queries<\/strong>, without modification or intermediary. The tool focuses on <strong>transparency and precision<\/strong>, while remaining independent of any registrar or hosting provider.<\/p>\n\n<\/div>\n<\/div>\n<div id=\"faq-question-1762308706981\" class=\"rank-math-list-item\">\n<h3 class=\"rank-math-question\">Can I analyze any domain?<\/h3>\n<div class=\"rank-math-answer\">\n\n<p>Yes, you can analyze <strong>any public domain name<\/strong>, domain names, whatever their extension (.fr, .com, .net, .org, etc.). The tool relies on official WHOIS databases and DNS servers to provide the available data.<\/p>\n\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>WHOIS, IP, rDNS, MX : Un outil simple et efficace pour avoir toutes les infos sur un domaine d&rsquo;un coup d\u2019\u0153il ! Entrez un nom de domaine pour obtenir toutes les informations publiques sur celui-ci. \u00c0 propos de cet outil d\u2019analyse de domaine Cet outil est un service libre, gratuit et ind\u00e9pendant, enti\u00e8rement d\u00e9velopp\u00e9 par [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":6690,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-6680","page","type-page","status-publish","has-post-thumbnail","hentry"],"_links":{"self":[{"href":"https:\/\/www.lrob.fr\/en\/wp-json\/wp\/v2\/pages\/6680","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.lrob.fr\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.lrob.fr\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.lrob.fr\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lrob.fr\/en\/wp-json\/wp\/v2\/comments?post=6680"}],"version-history":[{"count":14,"href":"https:\/\/www.lrob.fr\/en\/wp-json\/wp\/v2\/pages\/6680\/revisions"}],"predecessor-version":[{"id":8434,"href":"https:\/\/www.lrob.fr\/en\/wp-json\/wp\/v2\/pages\/6680\/revisions\/8434"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.lrob.fr\/en\/wp-json\/wp\/v2\/media\/6690"}],"wp:attachment":[{"href":"https:\/\/www.lrob.fr\/en\/wp-json\/wp\/v2\/media?parent=6680"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}