source.su.		30 IN SOA ns1.domenus.ru. support.domenus.ru. (
				2017012316 ; serial
				16384      ; refresh (4 hours 33 minutes 4 seconds)
				2048       ; retry (34 minutes 8 seconds)
				1048576    ; expire (1 week 5 days 3 hours 16 minutes 16 seconds)
				2560       ; minimum (42 minutes 40 seconds)
				)

source.su.		30 IN TXT "v=spf1" "a" "mx" "-all"

source.su.		30 IN A	88.198.54.22
source.su.		30 IN AAAA 2001:470:7240::

Mail exchangers:
source.su.		30 IN MX 6 mx.Cns.su.
source.su.		30 IN MX 99 s.mx.Cns.su.
source.su.		30 IN MX 46 source.su.
source.su.		30 IN MX 10 a.mx.Cns.su.

Name servers:
source.su.		30 IN NS ns1.domenus.ru.
source.su.		30 IN NS ns2.domenus.ru.