Question and response
Question
dig mx.spf.checkdomain.de. TXT
Answer
mx.spf.checkdomain.de. 300 TXT "v=spf1 include:secure-mailgate.com ip6:2a01:4f8:211:26e3::/64 ip4:136.243.13.100/32 ip4:136.243.13.126/32 ~all"
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0