bks-tv.ru.		30 IN SOA ns8.ertelecom.ru. noc.ertelecom.ru. (
				2021112405 ; serial
				3600       ; refresh (1 hour)
				7200       ; retry (2 hours)
				1209600    ; expire (2 weeks)
				86400      ; minimum (1 day)
				)

bks-tv.ru.		30 IN TXT "v=spf1 mx ptr a ip4:77.232.128.0/24 ~all"

bks-tv.ru.		30 IN A	77.232.128.4

Mail exchangers:
bks-tv.ru.		30 IN MX 5 mx.bks-tv.ru.

Name servers:
bks-tv.ru.		30 IN NS ns8.ertelecom.ru.
bks-tv.ru.		30 IN NS ns6.ertelecom.ru.