3x4.ch.			30 IN SOA ns1.cyon.ch. server.cyon.ch. (
				2020120821 ; serial
				86400      ; refresh (1 day)
				7200       ; retry (2 hours)
				3600000    ; expire (5 weeks 6 days 16 hours)
				86400      ; minimum (1 day)
				)

3x4.ch.			30 IN A	149.126.4.64
3x4.ch.			30 IN AAAA 2a01:ab20:0:4::64

Mail exchangers:
3x4.ch.			30 IN MX 0 3x4.ch.

Name servers:
3x4.ch.			30 IN NS ns2.cyon.ch.
3x4.ch.			30 IN NS ns1.cyon.ch.