_spf2.telenor.com has no NS records.
NS records for this zone are defined at telenor.com.
NS records for this zone are defined at telenor.com.
Question and response
Question
dig _spf2.telenor.com. NS
Answer
The response has no answer records.
Authority
telenor.com. 300 SOA ns1.nextra.no. hostmaster.telenor.net. 2026022300 7200 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0