ns4.webgo.de has no CNAME records.
Question and response
Question
dig ns4.webgo.de. NS
Answer
The response has no answer records.
Authority
webgo.de. 10800 SOA ns1.webgo.de. whois.webgo.de. 2026022502 39940 14400 604800 43200
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0