{
    "kind": "dns#resourceRecordSet",
    "name": "example.com.",
    "rrdatas": [
        "v=spf1 include:_spf.google.com ~all",
    ],
    "ttl": 84600,
    "type": "TXT"
},

{
    "kind": "dns#resourceRecordSet",
    "name": "example.com.",
    "rrdatas": [
        ""v=spf1" "include:_spf.google.com" "~all"",
    ],
    "ttl": 84600,
    "type": "TXT"
},

% nslookup -type=TXT example.com. ns-cloud-e1.googledomains.com.
Server:     ns-cloud-e1.googledomains.com.
Address:    216.239.32.110#53

example.com text = "v=spf1" "include:_spf.google.com" "~all"

{
   "kind": "dns#resourceRecordSet",
   "name": "example.com.",
   "rrdatas": [
       ""v=spf1 include:_spf.google.com ~all"",
   ],
   "ttl": 84600,
   "type": "TXT"
},

{
  "kind": "dns#resourceRecordSet",
  "name": "example.com.",
  "rrdatas": [ "v=spf1\ mx\ include:_spf.google.com\ ~all" ],
  "ttl": 21600,
  "type": "TXT"
}