SOA
Start of Authority
Primary NS
Mailbox
hostmaster.baobithiendang.vn
Serial
2025102911
Refresh
14400
Retry
3600
Expire
1209600
Minimum TTL
86400
NS
Nameservers
MX
Mail Exchangers
TXT
TXT Records
v=spf1 mx include:spf1.emailserver.vn include:dnsexit.com include:spf.authmailer.com ~all
A