atoo.su.		3599 IN	SOA r-tld.ru. root.r-tld.ru. (
				2021022602 ; serial
				3600       ; refresh (1 hour)
				3600       ; retry (1 hour)
				604800     ; expire (1 week)
				86400      ; minimum (1 day)
				)

atoo.su.		3599 IN	TXT "v=spf1 ip4:212.8.247.86 a mx ~all"

atoo.su.		3599 IN	A 185.11.246.36

Mail exchangers:
atoo.su.		3599 IN	MX 20 mail.atoo.su.
atoo.su.		3599 IN	MX 10 mail.atoo.su.

Name servers:
atoo.su.		3599 IN	NS ns2.r-tld.ru.
atoo.su.		3599 IN	NS ns1.r-tld.ru.