fortressinv.biz.	30 IN SOA pdns83.ultradns.com. dns-admin.fortress.com. (
				2015050603 ; serial
				14400      ; refresh (4 hours)
				1800       ; retry (30 minutes)
				2419200    ; expire (4 weeks)
				3600       ; minimum (1 hour)
				)

fortressinv.biz.	30 IN TXT "v=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com
-all"

Name servers:
fortressinv.biz.	30 IN NS pdns83.ultradns.com.
fortressinv.biz.	30 IN NS pdns83.ultradns.net.
fortressinv.biz.	30 IN NS pdns83.ultradns.biz.
fortressinv.biz.	30 IN NS pdns83.ultradns.org.