SOA
Start of Authority
Primary NS
Mailbox
hostmaster.khonhaminh.com
Serial
2025081309
Refresh
14400
Retry
3600
Expire
1209600
Minimum TTL
86400
NS
Nameservers
MX
Mail Exchangers
TXT
TXT Records
google-site-verification=41-fwWeBtDR0WraO_33f0n6kAw4VeEb0N8cloEdmmuY
v=spf1 mx include:emailserver.vn include:spf.protection.outlook.com -all
A