spf.simplemailservice.eu has no NS records.
NS records for this zone are defined at simplemailservice.eu.
NS records for this zone are defined at simplemailservice.eu.
Question and response
Question
dig spf.simplemailservice.eu. NS
Answer
The response has no answer records.
Authority
simplemailservice.eu. 3600 SOA ns1.premiumdns.zone. hostmaster.simplemailservice.eu. 2026025232 10800 3600 604800 3600
Additional
. 0 OPT ; payload 1400, xrcode 0, version 0, flags 0