This is an approximate list of the IP addresses that the domain mail.zendesk.com allows email to be sent from according to their SPF record
Query | Response | |
---|---|---|
mail.zendesk.com TXT | ||
mail.zendesk.com TXT | v=spf1 ip4:103.151.192.0/23 ip4:185.12.80.0/22 ip4:188.172.128.0/20 ip4:192.161.144.0/20 ip4:216.198.0.0/18 ~all |
Internal debug code. Here be dragons.
qcount => [ { "param" => "mail.zendesk.com", "query" => "root", "record" => "" } ] errors => [ "0This seems to be a healthy SPF record", "0This SPF record has 0/10 terms that cause DNS queries" ] record => { "zendesk" => [ "103.151.192.0/23", "185.12.80.0/22", "188.172.128.0/20", "192.161.144.0/20", "216.198.0.0/18" ] } queries => [ { "__" => "\241\3\201\200\0\1\0\1\0\0\0\0\4mail\azendesk\3com\0\0\20\0\1\300\f\0\20\0\1\0\0\16\20\0qpv=spf1 ip4:103.151.192.0/23 ip4:185.12.80.0/22 ip4:188.172.128.0/20 ip4:192.161.144.0/20 ip4:216.198.0.0/18 ~all", "aa" => "", "ad" => "", "an" => [ [ "mail.zendesk.com", "txt", "in", 3600, "v=spf1 ip4:103.151.192.0/23 ip4:185.12.80.0/22 ip4:188.172.128.0/20 ip4:192.161.144.0/20 ip4:216.198.0.0/18 ~all" ] ], "ar" => [], "cd" => "", "id" => 41219, "ns" => [], "op" => "query", "qd" => [ [ "mail.zendesk.com", "txt", "in" ] ], "qr" => 1, "ra" => 1, "rc" => "noerror", "rd" => 1, "tc" => "" } ] ipsizes => { "103.151.192.0/23" => 512, "185.12.80.0/22" => 1024, "188.172.128.0/20" => 4096, "192.161.144.0/20" => 4096, "216.198.0.0/18" => 16384 }