ptk52.ru.		30 IN SOA ns8.mts-nn.ru. root.ispmgr.mts-nn.ru. (
				2017070300 ; serial
				3600       ; refresh (1 hour)
				3600       ; retry (1 hour)
				604800     ; expire (1 week)
				86400      ; minimum (1 day)
				)

ptk52.ru.		30 IN TXT "v=spf1 ip4:82.208.117.106 a mx ~all"

ptk52.ru.		30 IN A	82.208.109.253

Mail exchangers:
ptk52.ru.		30 IN MX 10 mail.ptk52.ru.

Name servers:
ptk52.ru.		30 IN NS ns9.mts-nn.ru.
ptk52.ru.		30 IN NS ns8.mts-nn.ru.