Question and response
Question
dig spf.srv2.de. TXT
Answer
spf.srv2.de. 3600 TXT "v=spf1 ip4:193.169.180.0/23 ip4:91.229.178.0/23 ip4:91.241.72.0/22 ip4:185.210.80.0/24 ip4:185.210.82.0/23 -all"
Authority
srv2.de. 3600 NS a.ns.optivo.de.
srv2.de. 3600 NS b.ns.optivo.de.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0