ab12345.cc.		30 IN SOA edns6.ultradns.com. admin.189jolin.com. (
				2024022279 ; serial
				43200      ; refresh (12 hours)
				900        ; retry (15 minutes)
				2419200    ; expire (4 weeks)
				10800      ; minimum (3 hours)
				)

Name servers:
ab12345.cc.		30 IN NS edns6.ultradns.biz.
ab12345.cc.		30 IN NS edns6.ultradns.com.
ab12345.cc.		30 IN NS edns6.ultradns.net.
ab12345.cc.		30 IN NS edns6.ultradns.org.