ltk-nn.ru.		30 IN SOA ns.majordomo.ru. support.majordomo.ru. (
				2019061401 ; serial
				3600       ; refresh (1 hour)
				900        ; retry (15 minutes)
				3600000    ; expire (5 weeks 6 days 16 hours)
				3600       ; minimum (1 hour)
				)

ltk-nn.ru.		30 IN TXT "v=spf1 include:_spf.majordomo.ru ip4:78.108.92.162 a mx
~all"

ltk-nn.ru.		30 IN A	78.108.88.62

Mail exchangers:
ltk-nn.ru.		30 IN MX 10 mx.ltk-nn.ru.

Name servers:
ltk-nn.ru.		30 IN NS ns2.majordomo.ru.
ltk-nn.ru.		30 IN NS ns3.majordomo.ru.
ltk-nn.ru.		30 IN NS ns.majordomo.ru.