sp9.pl.			30 IN SOA ns1.simply.com. hostmaster.simply.com. (
				2023042503 ; serial
				14400      ; refresh (4 hours)
				3600       ; retry (1 hour)
				1209600    ; expire (2 weeks)
				3600       ; minimum (1 hour)
				)

Name servers:
sp9.pl.			30 IN NS ns1.simply.com.
sp9.pl.			30 IN NS ns2.simply.com.
sp9.pl.			30 IN NS ns3.simply.com.