SERVFAIL by resolving DNS-names on


we have some reports, that it is not possible to resolve FQDNs with Cloudflare

dig shopseite .telekom. de @

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: SERVFAIL, id: 36299

dig shopseite. telekom. de @
;; Got answer:
;; flags: qr rd ra;
shopseite .telekom. de. 21317 IN CNAME shopseite .telekom. de. yext-cdn. com.

cloudflare. sitescdn. net. cdn. cloudflare .net. 20 IN A

several other names are affected, while works, although it is provided by same auth server.

Additional info:
nslookup -vc -class=chaos -type=txt id. server

Non-authoritative answer:
id. server text = “FRA”

Make sure you’re not making DNS queries to from broken Cisco Wireless LAN setup.
More details here:

As you can see, the does send a reply, but it is unable to resolve the hostname.

Reported as #2005013