SOA
Start of Authority
Primary NS
Mailbox
hostmaster.bacbinh.vn
Serial
2026100554
Refresh
14400
Retry
3600
Expire
1209600
Minimum TTL
86400
MX
Mail Exchangers
TXT
TXT Records
v=spf1 +a +mx +ip4:112.213.92.41 +ip4:123.30.244.41 include:spf.maychuemail.com ~all
A