DNS TXT _netblocks.google.com

Internal debug code. Here be dragons.

{
  "__" => "\13 \201\200\0\1\0\1\0\0\0\0\n_netblocks\6google\3com\0\0\20\0\1\300\f\0\20\0\1\0\0\1,\0\340\337v=spf1 ip4:35.190.247.0/24 ip4:64.233.160.0/19 ip4:66.102.0.0/20 ip4:66.249.80.0/20 ip4:72.14.192.0/18 ip4:74.125.0.0/16 ip4:108.177.8.0/21 ip4:173.194.0.0/16 ip4:209.85.128.0/17 ip4:216.58.192.0/19 ip4:216.239.32.0/19 ~all",
  "aa" => "",
  "ad" => "",
  "an" => [
    [
      "_netblocks.google.com",
      "txt",
      "in",
      300,
      "v=spf1 ip4:35.190.247.0/24 ip4:64.233.160.0/19 ip4:66.102.0.0/20 ip4:66.249.80.0/20 ip4:72.14.192.0/18 ip4:74.125.0.0/16 ip4:108.177.8.0/21 ip4:173.194.0.0/16 ip4:209.85.128.0/17 ip4:216.58.192.0/19 ip4:216.239.32.0/19 ~all"
    ]
  ],
  "ar" => [],
  "cd" => "",
  "id" => 2848,
  "ns" => [],
  "op" => "query",
  "qd" => [
    [
      "_netblocks.google.com",
      "txt",
      "in"
    ]
  ],
  "qr" => 1,
  "ra" => 1,
  "rc" => "noerror",
  "rd" => 1,
  "tc" => ""
}

Code will appear here...