nbbs.biz.		30 IN SOA dns01.muumuu-domain.com. postmaster.nbbs.biz. (
				1700249014 ; serial
				3600       ; refresh (1 hour)
				1800       ; retry (30 minutes)
				604800     ; expire (1 week)
				3600       ; minimum (1 hour)
				)

nbbs.biz.		30 IN TXT "v=spf1 a mx ~all"

nbbs.biz.		30 IN A	133.242.68.55

Mail exchangers:
nbbs.biz.		30 IN MX 10 nbbs.biz.

Name servers:
nbbs.biz.		30 IN NS dns01.muumuu-domain.com.
nbbs.biz.		30 IN NS dns02.muumuu-domain.com.