This is an approximate list of the IP addresses that the domain spf.protection.outlook.com allows email to be sent from according to their SPF record
Query | Response | |
---|---|---|
spf.protection.outlook.com TXT | ||
spf.protection.outlook.com TXT | v=spf1 ip4:40.92.0.0/15 ip4:40.107.0.0/16 ip4:52.100.0.0/15 ip4:52.102.0.0/16 ip4:52.103.0.0/17 ip4:104.47.0.0/17 ip6:2a01:111:f400::/48 ip6:2a01:111:f403::/49 ip6:2a01:111:f403:8000::/51 ip6:2a01:111:f403:c000::/51 ip6:2a01:111:f403:f000::/52 -all |
Internal debug code. Here be dragons.
qcount => [ { "param" => "spf.protection.outlook.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 => { "outlook" => [ "40.92.0.0/15", "40.107.0.0/16", "52.100.0.0/15", "52.102.0.0/16", "52.103.0.0/17", "104.47.0.0/17", "2a01:111:f400::/48", "2a01:111:f403::/49", "2a01:111:f403:8000::/51", "2a01:111:f403:c000::/51", "2a01:111:f403:f000::/52" ] } queries => [ { "__" => "\262\303\201\200\0\1\0\1\0\0\0\0\3spf\nprotection\aoutlook\3com\0\0\20\0\1\300\f\0\20\0\1\0\0\2X\0\371\370v=spf1 ip4:40.92.0.0/15 ip4:40.107.0.0/16 ip4:52.100.0.0/15 ip4:52.102.0.0/16 ip4:52.103.0.0/17 ip4:104.47.0.0/17 ip6:2a01:111:f400::/48 ip6:2a01:111:f403::/49 ip6:2a01:111:f403:8000::/51 ip6:2a01:111:f403:c000::/51 ip6:2a01:111:f403:f000::/52 -all", "aa" => "", "ad" => "", "an" => [ [ "spf.protection.outlook.com", "txt", "in", 600, "v=spf1 ip4:40.92.0.0/15 ip4:40.107.0.0/16 ip4:52.100.0.0/15 ip4:52.102.0.0/16 ip4:52.103.0.0/17 ip4:104.47.0.0/17 ip6:2a01:111:f400::/48 ip6:2a01:111:f403::/49 ip6:2a01:111:f403:8000::/51 ip6:2a01:111:f403:c000::/51 ip6:2a01:111:f403:f000::/52 -all" ] ], "ar" => [], "cd" => "", "id" => 45763, "ns" => [], "op" => "query", "qd" => [ [ "spf.protection.outlook.com", "txt", "in" ] ], "qr" => 1, "ra" => 1, "rc" => "noerror", "rd" => 1, "tc" => "" } ] ipsizes => { "104.47.0.0/17" => 32768, "40.107.0.0/16" => 65536, "40.92.0.0/15" => 131072, "52.100.0.0/15" => 131072, "52.102.0.0/16" => 65536, "52.103.0.0/17" => 32768 }