SOA
Start of Authority
Primary NS
Mailbox
hostmaster.hem.vn
Serial
2026012632
Refresh
14400
Retry
3600
Expire
1209600
Minimum TTL
86400
NS
Nameservers
MX
Mail Exchangers
TXT
TXT Records
MS=ms51973243
MS=380E34D6C37179090D46EAF70DA19EA2729894B9
v=spf1 include:spf.protection.outlook.com -all
A