ctalk.ru.		30 IN SOA ns3-l2.nic.ru. dns.nic.ru. (
				2022061705 ; serial
				1440       ; refresh (24 minutes)
				3600       ; retry (1 hour)
				2592000    ; expire (4 weeks 2 days)
				600        ; minimum (10 minutes)
				)

Name servers:
ctalk.ru.		30 IN NS ns3-l2.nic.ru.
ctalk.ru.		30 IN NS ns4-l2.nic.ru.
ctalk.ru.		30 IN NS ns8-l2.nic.ru.
ctalk.ru.		30 IN NS ns4-cloud.nic.ru.
ctalk.ru.		30 IN NS ns8-cloud.nic.ru.