SOA
Start of Authority
Primary NS
Mailbox
hostmaster.tuivaiviet.com
Serial
2020021920
Refresh
3600
Retry
900
Expire
604800
Minimum TTL
3600
NS
Nameservers
MX
Mail Exchangers
TXT
TXT Records
v=spf1 a mx ~all
google-site-verification=YfTBTvwXDzwk4A2KA0Ze4IIo0W58UxYeHKG0i6tZzbk
A