shrtr.link.		30 IN SOA ns1.first-ns.de. postmaster.robot.first-ns.de. (
				2015080800 ; serial
				14400      ; refresh (4 hours)
				1800       ; retry (30 minutes)
				604800     ; expire (1 week)
				86400      ; minimum (1 day)
				)

shrtr.link.		30 IN A	5.9.75.53

Name servers:
shrtr.link.		30 IN NS ns1.first-ns.de.
shrtr.link.		30 IN NS robotns3.second-ns.com.
shrtr.link.		30 IN NS robotns2.second-ns.de.