duhocanh.org.		30 IN SOA ns1.phuongnamdesign.com. hostmaster.duhocanh.org. (
				2026022506 ; serial
				14400      ; refresh (4 hours)
				3600       ; retry (1 hour)
				1209600    ; expire (2 weeks)
				86400      ; minimum (1 day)
				)

duhocanh.org.		30 IN TXT "v=spf1 a mx ~all"

duhocanh.org.		30 IN A	51.79.169.149

Mail exchangers:
duhocanh.org.		30 IN MX 10 mail.duhocanh.org.

Name servers:
duhocanh.org.		30 IN NS nsbak.phuongnamdesign.com.
duhocanh.org.		30 IN NS ns1.phuongnamdesign.com.
duhocanh.org.		30 IN NS ns2.phuongnamdesign.com.