opticaremanagedvision.com. 30 IN SOA hdns.centene.com. dnsadmin.centene.com. (
				4          ; serial
				10800      ; refresh (3 hours)
				3600       ; retry (1 hour)
				2419200    ; expire (4 weeks)
				900        ; minimum (15 minutes)
				)

Name servers:
opticaremanagedvision.com. 30 IN NS ns12.centene.com.
opticaremanagedvision.com. 30 IN NS ns11.centene.com.