savelinks.org.		30 IN SOA x.ns.joker.com. hostmaster.joker.com. (
				2021081014 ; serial
				14400      ; refresh (4 hours)
				3600       ; retry (1 hour)
				604800     ; expire (1 week)
				300        ; minimum (5 minutes)
				)

Name servers:
savelinks.org.		30 IN NS z.ns.joker.com.
savelinks.org.		30 IN NS x.ns.joker.com.
savelinks.org.		30 IN NS y.ns.joker.com.