selfnet.cz.		30 IN SOA ns.selfnet.cz. strazovsky.itself.cz. (
				2023064225 ; serial
				10800      ; refresh (3 hours)
				1800       ; retry (30 minutes)
				2419200    ; expire (4 weeks)
				10800      ; minimum (3 hours)
				)

selfnet.cz.		30 IN TXT "v=spf1 ip4:212.96.160.8 ip6:2001:4ba8:202:2::8
ip4:212.96.161.8 ip6:2001:4ba8:101:2::8 ?all"

selfnet.cz.		30 IN A	81.200.48.35
selfnet.cz.		30 IN AAAA 2a07:b5c0::35

Mail exchangers:
selfnet.cz.		30 IN MX 5 relay.selfnet.cz.

Name servers:
selfnet.cz.		30 IN NS ns.itself.cz.
selfnet.cz.		30 IN NS ns.selfnet.cz.