Question and response
Question
dig spf.checkdomain.de. NS
Answer
spf.checkdomain.de. 86400 NS ns.checkdomain.de.
spf.checkdomain.de. 86400 NS ns2.checkdomain.de.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0