facebookgruppen.de.	30 IN SOA a.ns.facebook.com. dns.facebook.com. (
				4207849484 ; serial
				14400      ; refresh (4 hours)
				1800       ; retry (30 minutes)
				604800     ; expire (1 week)
				3600       ; minimum (1 hour)
				)

facebookgruppen.de.	30 IN TXT "v=spf1 a ~all"

Name servers:
facebookgruppen.de.	30 IN NS c.ns.facebook.com.
facebookgruppen.de.	30 IN NS d.ns.facebook.com.
facebookgruppen.de.	30 IN NS b.ns.facebook.com.
facebookgruppen.de.	30 IN NS a.ns.facebook.com.