spf-b.teliacompany.com has no CNAME records.
Question and response
Question
dig spf-b.teliacompany.com. NS
Answer
The response has no answer records.
Authority
teliacompany.com. 600 SOA dns1.telia.com. dns.telia.net. 2026021800 10800 3600 604800 600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0