SPF spf.protection.outlook.com

This seems to be a healthy SPF record
This SPF record has 0/10 terms that cause DNS queries

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

outlook
40.92.0.0/15 (131072 addresses)
40.107.0.0/16 (65536 addresses)
52.100.0.0/14 (262144 addresses)
104.47.0.0/17 (32768 addresses)
2a01:111:f400::/48
2a01:111:f403::/49
2a01:111:f403:8000::/51
2a01:111:f403:c000::/51
2a01:111:f403:f000::/52
QueryResponse
spf.protection.outlook.com TXT
 spf.protection.outlook.com TXTv=spf1 ip4:40.92.0.0/15 ip4:40.107.0.0/16 ip4:52.100.0.0/14 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",
    "52.100.0.0/14",
    "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 => [
  {
    "__" => "\232R\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\325\324v=spf1 ip4:40.92.0.0/15 ip4:40.107.0.0/16 ip4:52.100.0.0/14 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 ip4:52.100.0.0/14 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" => 39506,
    "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,
  "52.100.0.0/14" => 262144
}