Question and response
Question
dig _spf.zimpel.de. TXT
Answer
_spf.zimpel.de. 3600 TXT "v=spf1 ip4:193.201.168.38/32 ip4:193.201.168.170/31"
Authority
zimpel.de. 3600 NS ns8.colt.net.
zimpel.de. 3600 NS ns1.de.colt.net.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0