sisak.info.		30 IN SOA ns1.krystal.uk. admin.k-validator-melody-lon.krystal.uk. (
				2025040501 ; serial
				3600       ; refresh (1 hour)
				1800       ; retry (30 minutes)
				1209600    ; expire (2 weeks)
				86400      ; minimum (1 day)
				)

sisak.info.		30 IN TXT "v=spf1 include:relay.k.io ip4:77.72.2.77 a mx ip4:77.72.1.16
~all"

sisak.info.		30 IN A	77.72.2.77

Mail exchangers:
sisak.info.		30 IN MX 20 mx2.krystal.uk.
sisak.info.		30 IN MX 10 mx1.krystal.uk.

Name servers:
sisak.info.		30 IN NS ns2.krystal.uk.
sisak.info.		30 IN NS ns1.krystal.uk.