{"id":308,"date":"2026-08-23T23:18:28","date_gmt":"2026-08-23T23:18:28","guid":{"rendered":"https:\/\/netguide.io\/tools\/dkim-record-generator\/"},"modified":"2026-08-23T23:18:28","modified_gmt":"2026-08-23T23:18:28","slug":"dkim-record-generator","status":"publish","type":"post","link":"https:\/\/netguide.io\/tools\/de\/dkim-record-generator\/","title":{"rendered":"DKIM-Record &#038; Schl\u00fcssel Generator"},"content":{"rendered":"<div id=\"netgu-119024063\" class=\"netgu-before-content netgu-entity-placement\"><script async src=\"\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-6258556257245998\" crossorigin=\"anonymous\"><\/script><ins class=\"adsbygoogle\" style=\"display:block;\" data-ad-client=\"ca-pub-6258556257245998\" \ndata-ad-slot=\"3494115342\" \ndata-ad-format=\"auto\"><\/ins>\n<script> \n(adsbygoogle = window.adsbygoogle || []).push({}); \n<\/script>\n<\/div>\n<style>\n.wp-dkim-box{max-width:760px;margin:0 auto;padding:20px;border:1px solid #d1e1ef;border-radius:8px;background:#fff;font-family:-apple-system,BlinkMacSystemFont,\"Segoe UI\",Roboto,Helvetica,Arial,sans-serif;color:#1d2327}\n.wp-dkim-box h3{margin:0 0 14px;font-size:1.1rem}\n.wp-dkim-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:12px;margin-bottom:14px}\n.wp-dkim-f{display:flex;flex-direction:column;gap:4px}\n.wp-dkim-f label{font-size:.8rem;font-weight:600;color:#50575e}\n.wp-dkim-box input[type=text],.wp-dkim-box select,.wp-dkim-box textarea{width:100%;padding:8px 10px;border:1px solid #c3c4c7;border-radius:5px;font-size:.9rem;box-sizing:border-box;font-family:inherit}\n.wp-dkim-box textarea{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;resize:vertical}\n.wp-dkim-chk{display:flex;align-items:center;gap:8px;font-size:.9rem;margin:2px 0}\n.wp-dkim-chk input{width:auto}\n.wp-dkim-btn{display:inline-block;padding:9px 16px;background:#2271b1;color:#fff;border:none;border-radius:5px;cursor:pointer;font-size:.9rem;margin:4px 6px 4px 0}\n.wp-dkim-btn:hover{background:#135e96}\n.wp-dkim-btn.sec{background:#f0f6fb;color:#2271b1;border:1px solid #c3d9ec}\n.wp-dkim-out{width:100%;min-height:90px;margin-top:6px;padding:10px;background:#f6f7f7;border:1px solid #dcdcde;border-radius:5px;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.85rem;white-space:pre-wrap;word-break:break-all;box-sizing:border-box}\n.wp-dkim-lbl{font-size:.8rem;font-weight:600;color:#50575e;margin:12px 0 2px}\n.wp-dkim-note{background:#f0f6fb;border:1px solid #d1e1ef;border-radius:5px;padding:10px 12px;font-size:.82rem;color:#50575e;margin-top:12px}\n.wp-dkim-warn{background:#fcf0f1;border:1px solid #f0c8ca;color:#8a1f24}\n<\/style>\n<div class=\"wp-dkim-box\">\n<h3>DKIM-Record &#038; Schl\u00fcssel Generator<\/h3>\n<div class=\"wp-dkim-grid\">\n<div class=\"wp-dkim-f\"><label>Selector<\/label><input type=\"text\" id=\"wp-dkim-sel\" placeholder=\"default\"><\/div>\n<div class=\"wp-dkim-f\"><label>Domain<\/label><input type=\"text\" id=\"wp-dkim-domain\" placeholder=\"example.com\"><\/div>\n<div class=\"wp-dkim-f\"><label>Schl\u00fcssell\u00e4nge<\/label><select id=\"wp-dkim-bits\"><option value=\"2048\">2048 bit<\/option><option value=\"1024\">1024 bit<\/option><\/select><\/div>\n<\/div>\n<button class=\"wp-dkim-btn\" id=\"wp-dkim-gen\">Schl\u00fcsselpaar erzeugen<\/button>\n<span id=\"wp-dkim-status\" style=\"font-size:.82rem;color:#50575e\"><\/span>\n<div class=\"wp-dkim-lbl\">DNS-TXT-Eintrag<\/div>\n<div class=\"wp-dkim-out\" id=\"wp-dkim-rec\"><\/div>\n<button class=\"wp-dkim-btn sec\" onclick=\"wp-dkim-copyRec()\">Kopieren<\/button>\n<div class=\"wp-dkim-lbl\">Privater Schl\u00fcssel (geheim halten!)<\/div>\n<div class=\"wp-dkim-out wp-dkim-warn\" id=\"wp-dkim-pk\" style=\"min-height:130px\"><\/div>\n<div class=\"wp-dkim-note wp-dkim-warn\">Der private Schl\u00fcssel wird nur lokal in deinem Browser erzeugt und niemals \u00fcbertragen. Speichere ihn sicher auf deinem Mailserver \u2013 gib ihn niemals weiter.<\/div>\n<div class=\"wp-dkim-note\">Der \u00f6ffentliche Schl\u00fcssel kommt als TXT-Eintrag ins DNS, der private Schl\u00fcssel auf den Mailserver (z.&nbsp;B. OpenDKIM, Rspamd). 2048 bit sind heute Standard.<\/div>\n<\/div>\n<script>\n(function(){\n function ab2b64(buf){var b='';var bytes=new Uint8Array(buf);for(var i=0;i<bytes.length;i++){b+=String.fromCharCode(bytes[i])}return btoa(b)}\n function pem(b64,label){var lines=b64.replace(\/(.{64})\/g,'$1\\n');return '-----BEGIN '+label+'-----\\n'+lines+(lines.slice(-1)==='\\n'?'':'\\n')+'-----END '+label+'-----'}\n function buildRec(pub){\n  var sel=(document.getElementById('wp-dkim-sel').value||'default').trim();\n  var dom=(document.getElementById('wp-dkim-domain').value||'example.com').trim();\n  var rec='v=DKIM1; k=rsa; p='+pub;\n  document.getElementById('wp-dkim-rec').textContent=sel+'._domainkey.'+dom+'.\\tIN\\tTXT\\t\"'+rec+'\"';\n }\n document.getElementById('wp-dkim-gen').addEventListener('click',function(){\n  var st=document.getElementById('wp-dkim-status');st.textContent=' '+\"erzeuge Schl\u00fcssel \u2026\";\n  var bits=parseInt(document.getElementById('wp-dkim-bits').value,10);\n  crypto.subtle.generateKey({name:'RSASSA-PKCS1-v1_5',modulusLength:bits,publicExponent:new Uint8Array([1,0,1]),hash:'SHA-256'},true,['sign','verify']).then(function(kp){\n   return Promise.all([crypto.subtle.exportKey('spki',kp.publicKey),crypto.subtle.exportKey('pkcs8',kp.privateKey)]);\n  }).then(function(r){\n   var pub=ab2b64(r[0]);\n   buildRec(pub);\n   document.getElementById('wp-dkim-pk').textContent=pem(ab2b64(r[1]),'PRIVATE KEY');\n   st.textContent=' '+\"fertig \u2713\";\n  }).catch(function(e){st.textContent=' '+e.message});\n });\n ['wp-dkim-sel','wp-dkim-domain'].forEach(function(id){document.getElementById(id).addEventListener('input',function(){var rec=document.getElementById('wp-dkim-rec').textContent;var m=rec.match(\/p=([A-Za-z0-9+\/=]+)\/);if(m){buildRec(m[1])}})});\n window['wp-dkim-copyRec']=function(){navigator.clipboard.writeText(document.getElementById('wp-dkim-rec').textContent)};\n})();\n<\/script>\n\n\n<div id=\"netgu-1510586935\"><script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-6258556257245998\"\r\n     crossorigin=\"anonymous\"><\/script>\r\n<!-- NetGuide.io-After-Widget-Tools -->\r\n<ins class=\"adsbygoogle\"\r\n     style=\"display:block\"\r\n     data-ad-client=\"ca-pub-6258556257245998\"\r\n     data-ad-slot=\"5175852350\"\r\n     data-ad-format=\"auto\"\r\n     data-full-width-responsive=\"true\"><\/ins>\r\n<script>\r\n     (adsbygoogle = window.adsbygoogle || []).push({});\r\n<\/script><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Was ist ein DKIM-Record?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>DKIM<\/strong> (DomainKeys Identified Mail) signiert ausgehende E-Mails kryptografisch. Der Empf\u00e4ngerserver pr\u00fcft die Signatur \u00fcber einen \u00f6ffentlichen Schl\u00fcssel, den du als DNS-TXT-Eintrag ver\u00f6ffentlichst \u2013 so l\u00e4sst sich belegen, dass eine Mail wirklich von deiner Domain stammt und unterwegs nicht ver\u00e4ndert wurde.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Dieser Generator erzeugt das RSA-Schl\u00fcsselpaar vollst\u00e4ndig lokal in deinem Browser (Web Crypto). Der private Schl\u00fcssel verl\u00e4sst dein Ger\u00e4t nie. Trage Selector und Domain ein, klicke auf \u201eSchl\u00fcsselpaar erzeugen\" und kopiere den TXT-Eintrag in deine DNS-Zone.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">DKIM richtig einrichten<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Selector<\/strong> w\u00e4hlen (z.&nbsp;B. <code>default<\/code> oder <code>mail<\/code>) \u2013 er erscheint im DNS-Namen <code>selector._domainkey.deine-domain<\/code><\/li>\n\n<li>\u00d6ffentlichen Schl\u00fcssel als <strong>TXT-Eintrag<\/strong> ins DNS legen<\/li>\n\n<li>Privaten Schl\u00fcssel auf dem Mailserver hinterlegen (OpenDKIM, Rspamd, Mailcow o.&nbsp;\u00c4.)<\/li>\n\n<li>Zusammen mit <a href=\"\/tools\/de\/spf-record-generator\/\">SPF<\/a> und DMARC bildet DKIM die Basis f\u00fcr zustellbare E-Mails<\/li>\n<\/ul>\n\n<div id=\"netgu-162824214\" class=\"netgu-after-content netgu-entity-placement\"><script async src=\"\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-6258556257245998\" crossorigin=\"anonymous\"><\/script><ins class=\"adsbygoogle\" style=\"display:block;\" data-ad-client=\"ca-pub-6258556257245998\" \ndata-ad-slot=\"4559785002\" \ndata-ad-format=\"auto\"><\/ins>\n<script> \n(adsbygoogle = window.adsbygoogle || []).push({}); \n<\/script>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>DKIM-Record Generator: Erzeuge direkt im Browser ein RSA-Schl\u00fcsselpaar und den passenden DKIM-DNS-Eintrag (v=DKIM1; k=rsa; p=\u2026) f\u00fcr deinen Mailserver.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[33],"tags":[],"class_list":["post-308","post","type-post","status-publish","format-standard","hentry","category-generatoren"],"brizy_media":[],"_links":{"self":[{"href":"https:\/\/netguide.io\/tools\/wp-json\/wp\/v2\/posts\/308","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/netguide.io\/tools\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/netguide.io\/tools\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/netguide.io\/tools\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/netguide.io\/tools\/wp-json\/wp\/v2\/comments?post=308"}],"version-history":[{"count":0,"href":"https:\/\/netguide.io\/tools\/wp-json\/wp\/v2\/posts\/308\/revisions"}],"wp:attachment":[{"href":"https:\/\/netguide.io\/tools\/wp-json\/wp\/v2\/media?parent=308"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/netguide.io\/tools\/wp-json\/wp\/v2\/categories?post=308"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/netguide.io\/tools\/wp-json\/wp\/v2\/tags?post=308"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}