adv-boeblingen.de.	30 IN SOA dns1.belwue.de. hostmaster.belwue.de. (
				2017080400 ; serial
				21600      ; refresh (6 hours)
				2700       ; retry (45 minutes)
				2419200    ; expire (4 weeks)
				86400      ; minimum (1 day)
				)

Name servers:
adv-boeblingen.de.	30 IN NS dns3.belwue.de.
adv-boeblingen.de.	30 IN NS dns5.belwue.de.
adv-boeblingen.de.	30 IN NS dns1.belwue.de.