content-colo.net.	30 IN SOA ns.ext-dc.de. hostmaster.ext-dc.de. (
				2022012502 ; serial
				43200      ; refresh (12 hours)
				3600       ; retry (1 hour)
				1209600    ; expire (2 weeks)
				86400      ; minimum (1 day)
				)

content-colo.net.	30 IN A	212.123.96.58
content-colo.net.	30 IN AAAA 2a01:138:101:6::3

Name servers:
content-colo.net.	30 IN NS ns.ext-dc.de.
content-colo.net.	30 IN NS ns.ext-dc.net.
content-colo.net.	30 IN NS ns.ext-dc.com.