dungdong.com.		30 IN SOA ns1.dungdong.com. hostmaster.dungdong.com. (
				2017110802 ; serial
				14400      ; refresh (4 hours)
				3600       ; retry (1 hour)
				1209600    ; expire (2 weeks)
				86400      ; minimum (1 day)
				)

dungdong.com.		30 IN TXT "v=spf1 a mx ip4:150.107.30.20 -all"

dungdong.com.		30 IN A	150.107.30.20

Mail exchangers:
dungdong.com.		30 IN MX 10 ALT1.ASPMX.L.GOOGLE.com.
dungdong.com.		30 IN MX 10 ALT2.ASPMX.L.GOOGLE.com.
dungdong.com.		30 IN MX 10 ASPMX.L.GOOGLE.com.
dungdong.com.		30 IN MX 0 ASPMX2.GOOGLEMAIL.com.
dungdong.com.		30 IN MX 0 ASPMX3.GOOGLEMAIL.com.

Name servers:
dungdong.com.		30 IN NS ns1.dungdong.com.
dungdong.com.		30 IN NS ns2.dungdong.com.