ad.			30 IN SOA dnsc.ad. nic.sta.ad. (
				2013851751 ; serial
				3600       ; refresh (1 hour)
				360        ; retry (6 minutes)
				2592000    ; expire (4 weeks 2 days)
				900        ; minimum (15 minutes)
				)

Name servers:
ad.			30 IN NS anycast23.irondns.net.
ad.			30 IN NS anycast9.irondns.net.
ad.			30 IN NS ns3.nic.fr.
ad.			30 IN NS ad.ns.nic.es.