SOA
Start of Authority
Primary NS
Mailbox
cloud-dns-hostmaster.google.com
Serial
5
Refresh
21600
Retry
3600
Expire
259200
Minimum TTL
300
NS
Nameservers
TXT
TXT Records
v=spf1 ip4:216.37.42.12 include:relay.mailchannels.net ip4:23.89.204.150 +a +mx +ip4:23.89.204.30 include:mailgun.org ~all
A