SOA
Start of Authority
Primary NS
Mailbox
dns.dtn.com
Serial
2026031601
Refresh
10800
Retry
300
Expire
2592000
Minimum TTL
300
MX
Mail Exchangers
TXT
TXT Records
v=spf1 a mx ptr -all
v=spf1 ip4:66.112.144.0/20 ip4:69.41.208.0/20 ip4:67.97.112.0/24 ip4:208.3.212.0/24 ~all
A