eu1b.secure-dns.eu has no CNAME records.
Question and response
Question
dig eu1b.secure-dns.eu. NS
Answer
The response has no answer records.
Authority
secure-dns.eu. 3151 SOA ns1.eurodns.com. hostmaster.eurodns.com. 2026021101 43200 7200 1209600 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0