spf.snowdns.de has no NS records.
NS records for this zone are defined at snowdns.de.
NS records for this zone are defined at snowdns.de.
Question and response
Question
dig spf.snowdns.de. NS
Answer
The response has no answer records.
Authority
snowdns.de. 1800 SOA brianna.ns.cloudflare.com. dns.cloudflare.com. 2398072948 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0