sp7vc.pl.		30 IN SOA ns2.blink.pl. admin.blink.pl. (
				2021011506 ; serial
				10800      ; refresh (3 hours)
				3600       ; retry (1 hour)
				604800     ; expire (1 week)
				3600       ; minimum (1 hour)
				)

sp7vc.pl.		30 IN TXT "v=spf1 a mx include:_spf.ogicom.pl -all"

sp7vc.pl.		30 IN A	93.157.100.49

Mail exchangers:
sp7vc.pl.		30 IN MX 10 mx1.mazurek.info.

Name servers:
sp7vc.pl.		30 IN NS ns2.blink.pl.
sp7vc.pl.		30 IN NS ns1.blink.pl.