[squid-users] Odd behavior on CNAME

[Felix Falk]

Hi,
I have a linkchecker running over Squid as forwardproxy. One Site is not longer existing but DNS still has a CNAME Record except the CNAME is pointing nowhere:

> $ host de.sitestat.com
> de.sitestat.com is an alias for wildcard.sitestat.com.
> $ host wildcard.sitestat.com.
> $ 

If called via curl:
> $ curl --proxy forwardproxy:3128 -v http://de.sitestat.com/
> * About to connect() to proxy forwardproxy.rz.babiel.com port 3128 (#0)
> *   Trying 192.168.110.215...
> * Connected to forwardproxy.rz.babiel.com (192.168.110.215) port 3128 (#0)
> > GET http://de.sitestat.com/ HTTP/1.1
> > User-Agent: curl/7.29.0
> > Host: de.sitestat.com
> > Accept: */*
> > Proxy-Connection: Keep-Alive
> > 

The connection and this curl stays open for literally infinitely. (tested for 3 days).

In the Squid access.log nothing shows up. My cache.log has:
> 2019/01/14 11:30:31 kid1| ipcacheParse: No Address records in response to 'de.sitestat.com'

Any ideas how to solve this or is this simply a bug?

Felix
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