_spf.allianz.de has no NS records.
NS records for this zone are defined at allianz.de.
NS records for this zone are defined at allianz.de.
Question and response
Question
dig _spf.allianz.de. NS
Answer
The response has no answer records.
Authority
allianz.de. 300 SOA ns.allianz.com. hostmaster.allianz.com. 2026030900 10800 1800 3600000 300
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0