potolokservis.by.	30 IN SOA ds1.by. root.example.com. (
				2023120400 ; serial
				10800      ; refresh (3 hours)
				3600       ; retry (1 hour)
				604800     ; expire (1 week)
				86400      ; minimum (1 day)
				)

potolokservis.by.	30 IN TXT "v=spf1 ip4:178.172.136.123 a mx  include:_spf.mail.ru
~all"

potolokservis.by.	30 IN A	178.172.136.123

Mail exchangers:
potolokservis.by.	30 IN MX 10 mail.potolokservis.by.
potolokservis.by.	30 IN MX 20 mail.potolokservis.by.

Name servers:
potolokservis.by.	30 IN NS ns1.ds1.by.
potolokservis.by.	30 IN NS ns2.ds1.by.