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 +a +mx +ip4:204.44.192.31 +include:spf.antispamcloud.com +ip4:74.50.26.35 include:mailgun.org ~all
A