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abusive_isps [2019-06-09T21:05:16Z] – [Abusive ISP List] fusl | abusive_isps [2019-06-09T21:06:19Z] – fusl |
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Some OpenNIC DNS servers also listen on an alternative port (generally 5353) which is less likely to be tampered with by ISPs. | Some OpenNIC DNS servers also listen on an alternative port (generally 5353) which is less likely to be tampered with by ISPs. |
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To test if an ISP is tampering with DNS traffic, you can use the dig command from the dnsutils package. Select a server from the Tier 2 page which supports an alternative port. In my example I have used 106.186.17.181. First, try querying for the root zone (.) on the default port: | To test if an ISP is tampering with DNS traffic, you can use the dig command from the ''dnsutils'' package. Select a server from the Tier 2 page which supports an alternative port. In my example I have used ''106.186.17.181''. First, try querying for the root zone (''.'') on the default port: |
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dig SOA . @106.186.17.181 | dig SOA . @106.186.17.181 |
| Peru | Bitel | 2017-06-23 | | Tedel on #opennic | ? | ? | {{:abusive_isps:bitel.txt|IRC conversation log}} | | | Peru | Bitel | 2017-06-23 | | Tedel on #opennic | ? | ? | {{:abusive_isps:bitel.txt|IRC conversation log}} | |
| United States | AT&T | 2017-03-27 | | //news// | no | NXDOMAIN search engine redir | [[https://web.archive.org/web/20190127173703/http://www.att.net/dnserrorassist/about/|ETM Details with Opt-Out Option]] ({{:abusive_isps:att1.png?linkonly|screenshot}}), [[https://web.archive.org/web/20190127173856/https://forums.att.com/t5/AT-T-Internet-Features/ATT-DNS-Assist-Page/td-p/5108480|ATT DNS Assist Page - AT&T; Community]] ({{:abusive_isps:att2.png?linkonly|screenshot}}) | | | United States | AT&T | 2017-03-27 | | //news// | no | NXDOMAIN search engine redir | [[https://web.archive.org/web/20190127173703/http://www.att.net/dnserrorassist/about/|ETM Details with Opt-Out Option]] ({{:abusive_isps:att1.png?linkonly|screenshot}}), [[https://web.archive.org/web/20190127173856/https://forums.att.com/t5/AT-T-Internet-Features/ATT-DNS-Assist-Page/td-p/5108480|ATT DNS Assist Page - AT&T; Community]] ({{:abusive_isps:att2.png?linkonly|screenshot}}) | |
| - | Level3 | 2015-11-13 | 2019-06-09 | gorbilax on reddit | no | NXDOMAIN search engine redir | [[https://web.archive.org/web/20190609210007/https://www.reddit.com/r/networking/comments/3sm36w/level3_42214222_dns_servers_redirecting_to_search/]], NXDOMAIN redirect to ''23.202.231.167'' and ''23.217.138.108'' on their well-known 4.2.2.1-4.2.2.6 servers, {{:abusive_isps:level3.txt|proof}} | | | - | Level3 | 2015-11-13 | 2019-06-09 | gorbilax on reddit | no | NXDOMAIN search engine redir | [[https://web.archive.org/web/20190609210007/https://www.reddit.com/r/networking/comments/3sm36w/level3_42214222_dns_servers_redirecting_to_search/]], NXDOMAIN redirect to ''23.202.231.167'' and ''23.217.138.108'' on their well-known ''4.2.2.1''-''4.2.2.6'' servers, {{:abusive_isps:level3.txt|proof}} | |
| United States | T-Mobile US | 2015-07-20 | | thefinn93 on reddit | no | NXDOMAIN search engine redir | [[https://web.archive.org/web/20190127174032/https://www.reddit.com/r/tmobile/comments/3dyk1h/how_do_i_turn_of_nxdomain_hijacking/|How do I turn of NXDOMAIN hijacking? : tmobile]] | | | United States | T-Mobile US | 2015-07-20 | | thefinn93 on reddit | no | NXDOMAIN search engine redir | [[https://web.archive.org/web/20190127174032/https://www.reddit.com/r/tmobile/comments/3dyk1h/how_do_i_turn_of_nxdomain_hijacking/|How do I turn of NXDOMAIN hijacking? : tmobile]] | |
| Indonesia | Telkom | 2015-04-27 | | //blog post// | ? | ? | [[https://web.archive.org/web/20190127174121/https://www.katyarina.com/artikel/item/36-bagaimana-internet-positif-telkom-bekerja.html|Bagaimana internet positif Telkom bekerja?]] | | | Indonesia | Telkom | 2015-04-27 | | //blog post// | ? | ? | [[https://web.archive.org/web/20190127174121/https://www.katyarina.com/artikel/item/36-bagaimana-internet-positif-telkom-bekerja.html|Bagaimana internet positif Telkom bekerja?]] | |