spf.customer.artelis.net has no NS records.
NS records for this zone are defined at artelis.net.
NS records for this zone are defined at artelis.net.
Question and response
Question
dig spf.customer.artelis.net. NS
Answer
The response has no answer records.
Authority
artelis.net. 3600 SOA ns1.artelis.net. hostmaster.artelis.net. 2026031602 28800 3600 1728000 3600
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0