china.usc.edu.		30 IN SOA ns0037.secondary.cloudflare.com. root.usc.edu. (
				703874498  ; serial
				3600       ; refresh (1 hour)
				1800       ; retry (30 minutes)
				360000     ; expire (4 days 4 hours)
				3600       ; minimum (1 hour)
				)

china.usc.edu.		30 IN A	23.185.0.3
china.usc.edu.		30 IN AAAA 2620:12a:8000::3
china.usc.edu.		30 IN AAAA 2620:12a:8001::3

Name servers:
china.usc.edu.		30 IN NS ns0055.secondary.cloudflare.com.
china.usc.edu.		30 IN NS ns0191.secondary.cloudflare.com.