houston.bw-werbeartikel.at has no CNAME records.
Question and response
Question
dig houston.bw-werbeartikel.at. NS
Answer
The response has no answer records.
Authority
bw-werbeartikel.at. 570 SOA athena.ns.cloudflare.com. dns.cloudflare.com. 2397021321 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0