SOA
Start of Authority
Primary NS
Mailbox
hostmaster.topdns.com
Serial
2026091900
Refresh
43200
Retry
900
Expire
1209600
Minimum TTL
3600
MX
Mail Exchangers
TXT
TXT Records
v=spf1 include:spf1.topdns.com include:spf2.topdns.com ?all
e7f6aa8a0f756fbbfb21fb31aefa2bb601f41ed6
A