SPF spfd.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 spfd.protection.outlook.com allows email to be sent from according to their SPF record

outlook
20.47.149.138/32 (1 address)
51.4.72.0/24 (256 addresses)
51.4.80.0/27 (32 addresses)
51.5.72.0/24 (256 addresses)
51.5.80.0/27 (32 addresses)
2a01:4180:4050:400::/64
2a01:4180:4050:800::/64
2a01:4180:4051:400::/64
2a01:4180:4051:800::/64
QueryResponse
spfd.protection.outlook.com TXT
 spfd.protection.outlook.com TXTv=spf1 ip4:51.4.72.0/24 ip4:51.5.72.0/24 ip4:51.5.80.0/27 ip4:20.47.149.138/32 ip4:51.4.80.0/27 ip6:2a01:4180:4051:0800::/64 ip6:2a01:4180:4050:0800::/64 ip6:2a01:4180:4051:0400::/64 ip6:2a01:4180:4050:0400::/64 -all

Internal debug code. Here be dragons.

qcount => [
  {
    "param" => "spfd.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" => [
    "20.47.149.138/32",
    "51.4.72.0/24",
    "51.4.80.0/27",
    "51.5.72.0/24",
    "51.5.80.0/27",
    "2a01:4180:4050:400::/64",
    "2a01:4180:4050:800::/64",
    "2a01:4180:4051:400::/64",
    "2a01:4180:4051:800::/64"
  ]
}

queries => [
  {
    "__" => "\275\360\201\200\0\1\0\1\0\0\0\0\4spfd\nprotection\aoutlook\3com\0\0\20\0\1\300\f\0\20\0\1\0\0\2X\0\331\330v=spf1 ip4:51.4.72.0/24 ip4:51.5.72.0/24 ip4:51.5.80.0/27 ip4:20.47.149.138/32 ip4:51.4.80.0/27 ip6:2a01:4180:4051:0800::/64 ip6:2a01:4180:4050:0800::/64 ip6:2a01:4180:4051:0400::/64 ip6:2a01:4180:4050:0400::/64 -all",
    "aa" => "",
    "ad" => "",
    "an" => [
      [
        "spfd.protection.outlook.com",
        "txt",
        "in",
        600,
        "v=spf1 ip4:51.4.72.0/24 ip4:51.5.72.0/24 ip4:51.5.80.0/27 ip4:20.47.149.138/32 ip4:51.4.80.0/27 ip6:2a01:4180:4051:0800::/64 ip6:2a01:4180:4050:0800::/64 ip6:2a01:4180:4051:0400::/64 ip6:2a01:4180:4050:0400::/64 -all"
      ]
    ],
    "ar" => [],
    "cd" => "",
    "id" => 48624,
    "ns" => [],
    "op" => "query",
    "qd" => [
      [
        "spfd.protection.outlook.com",
        "txt",
        "in"
      ]
    ],
    "qr" => 1,
    "ra" => 1,
    "rc" => "noerror",
    "rd" => 1,
    "tc" => ""
  }
]

ipsizes => {
  "20.47.149.138/32" => 1,
  "51.4.72.0/24" => 256,
  "51.4.80.0/27" => 32,
  "51.5.72.0/24" => 256,
  "51.5.80.0/27" => 32
}