pn.to.			30 IN SOA ns1.pn.to. domain.pn.to. (
				2022012801 ; serial
				86400      ; refresh (1 day)
				5400       ; retry (1 hour 30 minutes)
				3600000    ; expire (5 weeks 6 days 16 hours)
				10800      ; minimum (3 hours)
				)

pn.to.			30 IN TXT "v=spf1 +ip4:160.16.60.180 +ip4:160.16.112.81
+ip6:2001:e42:102:1506:160:16:60:180 +ip6:2001:e42:102:1532:160:16:112:81 -all"

Mail exchangers:
pn.to.			30 IN MX 10 sv1.pn.to.
pn.to.			30 IN MX 20 sv2.pn.to.

Name servers:
pn.to.			30 IN NS ns1.pn.to.
pn.to.			30 IN NS ns2.pn.to.