nnov.ru.		30 IN SOA ns0.nnov.ru. noc.nnov.ru. (
				2024110538 ; serial
				3600       ; refresh (1 hour)
				3600       ; retry (1 hour)
				1048576    ; expire (1 week 5 days 3 hours 16 minutes 16 seconds)
				86400      ; minimum (1 day)
				)

nnov.ru.		30 IN TXT "v=spf1 mx include:_spf.r52.ru ~all"

nnov.ru.		30 IN A	185.215.4.16

Mail exchangers:
nnov.ru.		30 IN MX 10 mail.r52.ru.