On 10/5/20 11:46 AM, Ralf Hildebrandt wrote: > 2020/10/05 17:45:37| DNS error while resolving iris.charite.de: No valid address records > # dig +short @141.42.5.157 iris.charite.de > charite.science-it.ch. By "valid address records" Squid means "valid A or AAAA address records". The above response does not contain such records. Squid does not do DNS recursion, CNAME resolution, etc. Make sure your resolver does all that. HTH, Alex. _______________________________________________ squid-users mailing list squid-users@xxxxxxxxxxxxxxxxxxxxx http://lists.squid-cache.org/listinfo/squid-users