SOA
Start of Authority
Primary NS
Mailbox
cloud-dns-hostmaster.google.com
Serial
3
Refresh
21600
Retry
3600
Expire
259200
Minimum TTL
300
NS
Nameservers
MX
Mail Exchangers
TXT
TXT Records
v=spf1 +ip4:66.29.137.136 +include:spf.web-hosting.com +ip4:66.96.128.0/18 +include:mailgun.org include:mailgun.org ~all
A