firstmail24.pl.		30 IN SOA ns1.devilart.pl. root.ns1.devilart.pl. (
				1587643251 ; serial
				10800      ; refresh (3 hours)
				3600       ; retry (1 hour)
				604800     ; expire (1 week)
				38400      ; minimum (10 hours 40 minutes)
				)

firstmail24.pl.		30 IN TXT "v=spf1 a mx a:firstmail24.pl ip4:51.75.130.54
ip4:188.165.68.193 ip4:92.222.251.11 ip6:2607:5300:60:6141:: ?all"

firstmail24.pl.		30 IN A	92.222.251.11

Mail exchangers:
firstmail24.pl.		30 IN MX 5 mail.firstmail24.pl.

Name servers:
firstmail24.pl.		30 IN NS ns2.devilart.pl.
firstmail24.pl.		30 IN NS ns1.devilart.pl.