{"id":20249,"date":"2021-01-21T01:00:36","date_gmt":"2021-01-21T00:00:36","guid":{"rendered":"https:\/\/www.linuxboxen.dk\/?p=20249"},"modified":"2021-01-21T01:00:36","modified_gmt":"2021-01-21T00:00:36","slug":"dig-en-ip-addresses-reverse-adresse","status":"publish","type":"post","link":"https:\/\/www.linuxboxen.dk\/?p=20249","title":{"rendered":"dig en ip addresses reverse adresse"},"content":{"rendered":"<h3>dig en ip addresses reverse adresse<\/h3>\n<p>Hvad er en reverse adresse sp\u00f8rger du sikker dig selv om.<\/p>\n<p>For eksemple en ip adresse p\u00e5 mail.linuxboxen.dk<\/p>\n<pre class=\"terminal\"><code class=\"terminal-line\">$ dig mail.linuxboxen.dk\n\n; &lt;&lt;&gt;&gt; DiG 9.11.3-1ubuntu1.13-Ubuntu &lt;&lt;&gt;&gt; mail.linuxboxen.dk\n;; global options: +cmd\n;; Got answer:\n;; -&gt;&gt;HEADER&lt;&lt;- opcode: QUERY, status: NOERROR, id: 10121\n;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1\n\n;; OPT PSEUDOSECTION:\n; EDNS: version: 0, flags:; udp: 65494\n;; QUESTION SECTION:\n;mail.linuxboxen.dk. IN A\n\n;; ANSWER SECTION:\nmail.linuxboxen.dk. 106 IN A 176.58.118.215\n\n;; Query time: 0 msec\n;; SERVER: 127.0.0.53#53(127.0.0.53)\n;; WHEN: Wed Jan 20 23:09:36 CET 2021\n;; MSG SIZE rcvd: 63\n<\/code><\/pre>\n<p>Hvis vi laver en reverse ip lookup p\u00e5 den adresse f\u00e5r vi.<\/p>\n<pre class=\"terminal\"><code class=\"terminal-line\">$ dig -x 176.58.118.215\n\n; <<>> DiG 9.11.3-1ubuntu1.13-Ubuntu <<>> -x 176.58.118.215\n;; global options: +cmd\n;; Got answer:\n;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 18165\n;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1\n\n;; OPT PSEUDOSECTION:\n; EDNS: version: 0, flags:; udp: 65494\n;; QUESTION SECTION:\n;215.118.58.176.in-addr.arpa.\tIN\tPTR\n\n;; ANSWER SECTION:\n215.118.58.176.in-addr.arpa. 6836 IN\tPTR\tmail.linuxboxen.dk.\n\n;; Query time: 0 msec\n;; SERVER: 127.0.0.53#53(127.0.0.53)\n;; WHEN: Wed Jan 20 23:12:33 CET 2021\n;; MSG SIZE  rcvd: 88\n<\/code><\/pre>\n<p>Ja men hvorfor bruger man det.<\/p>\n<p>Eksempler. <\/p>\n<p>For at finde spam servere. Det er kun ip ejen som kan lave reverse ip. Det er en PTR record som skal oprettes i dns serveren. Og ikke i en anden dns server. Hvilken giver en mulighed for at checke om den server som den udgiver sig for at v\u00e6re er rigtig.<\/p>\n<p>Det bruges ogs\u00e5 til at se hvem som bes\u00f8ger dig. De fleste server gemmer ip adressen p\u00e5 hven som bruger den p\u00e5g\u00e6ldende service.<\/p>\n<p>&nbsp;<\/p>\n<div class=\"pvc_clear\"><\/div>\n<p id=\"pvc_stats_20249\" class=\"pvc_stats all  \" data-element-id=\"20249\" style=\"\"><i class=\"pvc-stats-icon medium\" aria-hidden=\"true\"><svg aria-hidden=\"true\" focusable=\"false\" data-prefix=\"far\" data-icon=\"chart-bar\" role=\"img\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 512 512\" class=\"svg-inline--fa fa-chart-bar fa-w-16 fa-2x\"><path fill=\"currentColor\" d=\"M396.8 352h22.4c6.4 0 12.8-6.4 12.8-12.8V108.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v230.4c0 6.4 6.4 12.8 12.8 12.8zm-192 0h22.4c6.4 0 12.8-6.4 12.8-12.8V140.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v198.4c0 6.4 6.4 12.8 12.8 12.8zm96 0h22.4c6.4 0 12.8-6.4 12.8-12.8V204.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v134.4c0 6.4 6.4 12.8 12.8 12.8zM496 400H48V80c0-8.84-7.16-16-16-16H16C7.16 64 0 71.16 0 80v336c0 17.67 14.33 32 32 32h464c8.84 0 16-7.16 16-16v-16c0-8.84-7.16-16-16-16zm-387.2-48h22.4c6.4 0 12.8-6.4 12.8-12.8v-70.4c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v70.4c0 6.4 6.4 12.8 12.8 12.8z\" class=\"\"><\/path><\/svg><\/i> <img loading=\"lazy\" decoding=\"async\" width=\"16\" height=\"16\" alt=\"Loading\" src=\"https:\/\/www.linuxboxen.dk\/wp-content\/plugins\/page-views-count\/ajax-loader-2x.gif\" border=0 \/><\/p>\n<div class=\"pvc_clear\"><\/div>\n","protected":false},"excerpt":{"rendered":"<p>dig en ip addresses reverse adresse Hvad er en reverse adresse sp\u00f8rger du sikker dig selv om. For eksemple en ip adresse p\u00e5 mail.linuxboxen.dk $ dig mail.linuxboxen.dk ; &lt;&lt;&gt;&gt; DiG 9.11.3-1ubuntu1.13-Ubuntu &lt;&lt;&gt;&gt; mail.linuxboxen.dk ;; global options: +cmd ;; Got answer: ;; -&gt;&gt;HEADER&lt;&lt;- opcode: QUERY, status: NOERROR, id: 10121 ;; flags: qr rd ra; QUERY: 1, [&hellip;]<\/p>\n<div class=\"pvc_clear\"><\/div>\n<p id=\"pvc_stats_20249\" class=\"pvc_stats all  \" data-element-id=\"20249\" style=\"\"><i class=\"pvc-stats-icon medium\" aria-hidden=\"true\"><svg aria-hidden=\"true\" focusable=\"false\" data-prefix=\"far\" data-icon=\"chart-bar\" role=\"img\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 512 512\" class=\"svg-inline--fa fa-chart-bar fa-w-16 fa-2x\"><path fill=\"currentColor\" d=\"M396.8 352h22.4c6.4 0 12.8-6.4 12.8-12.8V108.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v230.4c0 6.4 6.4 12.8 12.8 12.8zm-192 0h22.4c6.4 0 12.8-6.4 12.8-12.8V140.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v198.4c0 6.4 6.4 12.8 12.8 12.8zm96 0h22.4c6.4 0 12.8-6.4 12.8-12.8V204.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v134.4c0 6.4 6.4 12.8 12.8 12.8zM496 400H48V80c0-8.84-7.16-16-16-16H16C7.16 64 0 71.16 0 80v336c0 17.67 14.33 32 32 32h464c8.84 0 16-7.16 16-16v-16c0-8.84-7.16-16-16-16zm-387.2-48h22.4c6.4 0 12.8-6.4 12.8-12.8v-70.4c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v70.4c0 6.4 6.4 12.8 12.8 12.8z\" class=\"\"><\/path><\/svg><\/i> <img loading=\"lazy\" decoding=\"async\" width=\"16\" height=\"16\" alt=\"Loading\" src=\"https:\/\/www.linuxboxen.dk\/wp-content\/plugins\/page-views-count\/ajax-loader-2x.gif\" border=0 \/><\/p>\n<div class=\"pvc_clear\"><\/div>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_sitemap_exclude":false,"_sitemap_priority":"","_sitemap_frequency":"","footnotes":""},"categories":[5,2],"tags":[],"class_list":["post-20249","post","type-post","status-publish","format-standard","hentry","category-bash","category-tips"],"a3_pvc":{"activated":true,"total_views":7,"today_views":0},"_links":{"self":[{"href":"https:\/\/www.linuxboxen.dk\/index.php?rest_route=\/wp\/v2\/posts\/20249","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.linuxboxen.dk\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.linuxboxen.dk\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.linuxboxen.dk\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.linuxboxen.dk\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=20249"}],"version-history":[{"count":0,"href":"https:\/\/www.linuxboxen.dk\/index.php?rest_route=\/wp\/v2\/posts\/20249\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.linuxboxen.dk\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=20249"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.linuxboxen.dk\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=20249"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.linuxboxen.dk\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=20249"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}