pkulab.com.		30 IN SOA f1g1ns1.dnspod.net. freednsadmin.dnspod.com. (
				1657767705 ; serial
				3600       ; refresh (1 hour)
				180        ; retry (3 minutes)
				1209600    ; expire (2 weeks)
				180        ; minimum (3 minutes)
				)

pkulab.com.		30 IN TXT "269367641-67376509"

pkulab.com.		30 IN A	113.4.130.46

Name servers:
pkulab.com.		30 IN NS f1g1ns1.dnspod.net.
pkulab.com.		30 IN NS f1g1ns2.dnspod.net.