tltvn.com.		30 IN SOA nsbak.dotvndns.com. hostmaster.tltvn.com. (
				2023051710 ; serial
				14400      ; refresh (4 hours)
				3600       ; retry (1 hour)
				1209600    ; expire (2 weeks)
				86400      ; minimum (1 day)
				)

tltvn.com.		30 IN TXT "v=spf1 ip4:103.1.208.192/26 a mx -all"

tltvn.com.		30 IN A	210.211.113.142

Mail exchangers:
tltvn.com.		30 IN MX 10 mx.viettelidc.com.vn.

Name servers:
tltvn.com.		30 IN NS ns2.dotvndns.vn.
tltvn.com.		30 IN NS ns1.dotvndns.vn.
tltvn.com.		30 IN NS nsbak.dotvndns.com.