1sttech.ru.		30 IN SOA ns1.adminvps.ru. root.example.com. (
				2020063000 ; serial
				3600       ; refresh (1 hour)
				3600       ; retry (1 hour)
				604800     ; expire (1 week)
				86400      ; minimum (1 day)
				)

1sttech.ru.		30 IN TXT "v=spf1 ip4:5.253.61.99 ip4:5.253.61.99 a mx ~all"

1sttech.ru.		30 IN A	5.253.61.101

Mail exchangers:
1sttech.ru.		30 IN MX 10 mail.1sttech.ru.
1sttech.ru.		30 IN MX 20 mail.1sttech.ru.

Name servers:
1sttech.ru.		30 IN NS ns3.adminvps.ru.
1sttech.ru.		30 IN NS ns2.adminvps.net.
1sttech.ru.		30 IN NS ns1.adminvps.ru.
1sttech.ru.		30 IN NS ns4.adminvps.net.