SOA
Start of Authority
Primary NS
Mailbox
cloud-dns-hostmaster.google.com
Serial
12
Refresh
21600
Retry
3600
Expire
259200
Minimum TTL
300
NS
Nameservers
MX
Mail Exchangers
TXT
TXT Records
v=spf1 +mx +a +ip4:192.145.239.212 +include:smtp.servconfig.com include:relay.mailchannels.net include:mailgun.org ~all
A