SOA
Start of Authority
Primary NS
Mailbox
cloud-dns-hostmaster.google.com
Serial
6
Refresh
21600
Retry
3600
Expire
259200
Minimum TTL
300
NS
Nameservers
MX
Mail Exchangers
TXT
TXT Records
v=spf1 a mx ip4:51.222.47.164 ip4:158.85.89.116 ip4:158.85.77.121 include:_spf.google.com -all