olympiade.info.		30 IN SOA nsgbr.comlaude.co.uk. dnstech.comlaude.com. (
				2021122009 ; serial
				86400      ; refresh (1 day)
				7200       ; retry (2 hours)
				2419200    ; expire (4 weeks)
				3600       ; minimum (1 hour)
				)

Name servers:
olympiade.info.		30 IN NS nsgbr.comlaude.co.uk.
olympiade.info.		30 IN NS nssui.comlaude.ch.
olympiade.info.		30 IN NS nsusa.comlaude.net.