This is an approximate list of the IP addresses that the domain facebook.com allows email to be sent from according to their SPF record
Query | Response | |
---|---|---|
facebook.com TXT | ||
facebook.com TXT | google-site-verification=A2WZWCNQHrGV_TWwKh6KHY90tY0SHZo_RnyMJoDaG0s | |
facebook.com TXT | google-site-verification=wdH5DTJTc9AYNwVunSVFeK0hYDGUIEOGb-RReU6pJlY | |
facebook.com TXT | google-site-verification=sK6uY9x7eaMoEMfn3OILqwTFYgaNp4llmguKI-C3_iA | |
facebook.com TXT | zoom-domain-verification=4b2ef4e1-6dee-4483-9869-9bef353fd147 | |
facebook.com TXT | v=spf1 redirect=_spf.facebook.com | |
_spf.facebook.com TXT | ||
_spf.facebook.com TXT | v=spf1 ip4:66.220.144.128/25 ip4:66.220.155.0/24 ip4:66.220.157.0/25 ip4:69.63.178.128/25 ip4:69.63.181.0/24 ip4:69.63.184.0/25 ip4:69.171.232.0/24 ip4:69.171.244.0/23 -all |
Internal debug code. Here be dragons.
qcount => [ { "param" => "facebook.com", "query" => "root", "record" => "" }, { "param" => "_spf.facebook.com", "query" => "redirect", "record" => "facebook.com" } ] errors => [ "0This seems to be a healthy SPF record", "0This SPF record has 1/10 terms that cause DNS queries" ] record => { "facebook" => [ "66.220.144.128/25", "66.220.155.0/24", "66.220.157.0/25", "69.63.178.128/25", "69.63.181.0/24", "69.63.184.0/25", "69.171.232.0/24", "69.171.244.0/23" ] } queries => [ { "__" => "\322\f\201\200\0\1\0\5\0\0\0\0\bfacebook\3com\0\0\20\0\1\300\f\0\20\0\1\0\0\34 \0EDgoogle-site-verification=A2WZWCNQHrGV_TWwKh6KHY90tY0SHZo_RnyMJoDaG0s\300\f\0\20\0\1\0\0\34 \0EDgoogle-site-verification=wdH5DTJTc9AYNwVunSVFeK0hYDGUIEOGb-RReU6pJlY\300\f\0\20\0\1\0\0\34 \0EDgoogle-site-verification=sK6uY9x7eaMoEMfn3OILqwTFYgaNp4llmguKI-C3_iA\300\f\0\20\0\1\0\0\16\20\0>=zoom-domain-verification=4b2ef4e1-6dee-4483-9869-9bef353fd147\300\f\0\20\0\1\0\1Q\200\0\"!v=spf1 redirect=_spf.facebook.com", "aa" => "", "ad" => "", "an" => [ [ "facebook.com", "txt", "in", 7200, "google-site-verification=A2WZWCNQHrGV_TWwKh6KHY90tY0SHZo_RnyMJoDaG0s" ], [ "facebook.com", "txt", "in", 7200, "google-site-verification=wdH5DTJTc9AYNwVunSVFeK0hYDGUIEOGb-RReU6pJlY" ], [ "facebook.com", "txt", "in", 7200, "google-site-verification=sK6uY9x7eaMoEMfn3OILqwTFYgaNp4llmguKI-C3_iA" ], [ "facebook.com", "txt", "in", 3600, "zoom-domain-verification=4b2ef4e1-6dee-4483-9869-9bef353fd147" ], [ "facebook.com", "txt", "in", 86400, "v=spf1 redirect=_spf.facebook.com" ] ], "ar" => [], "cd" => "", "id" => 53772, "ns" => [], "op" => "query", "qd" => [ [ "facebook.com", "txt", "in" ] ], "qr" => 1, "ra" => 1, "rc" => "noerror", "rd" => 1, "tc" => "" }, { "__" => "\317b\201\200\0\1\0\1\0\0\0\0\4_spf\bfacebook\3com\0\0\20\0\1\300\f\0\20\0\1\0\0\16\20\0\256\177v=spf1 ip4:66.220.144.128/25 ip4:66.220.155.0/24 ip4:66.220.157.0/25 ip4:69.63.178.128/25 ip4:69.63.181.0/24 ip4:69.63.184.0/25- ip4:69.171.232.0/24 ip4:69.171.244.0/23 -all", "aa" => "", "ad" => "", "an" => [ [ "_spf.facebook.com", "txt", "in", 3600, "v=spf1 ip4:66.220.144.128/25 ip4:66.220.155.0/24 ip4:66.220.157.0/25 ip4:69.63.178.128/25 ip4:69.63.181.0/24 ip4:69.63.184.0/25", " ip4:69.171.232.0/24 ip4:69.171.244.0/23 -all" ] ], "ar" => [], "cd" => "", "id" => 53090, "ns" => [], "op" => "query", "qd" => [ [ "_spf.facebook.com", "txt", "in" ] ], "qr" => 1, "ra" => 1, "rc" => "noerror", "rd" => 1, "tc" => "" } ] ipsizes => { "66.220.144.128/25" => 128, "66.220.155.0/24" => 256, "66.220.157.0/25" => 128, "69.171.232.0/24" => 256, "69.171.244.0/23" => 512, "69.63.178.128/25" => 128, "69.63.181.0/24" => 256, "69.63.184.0/25" => 128 }