Hi Cyril, Thanks for the reply.
> This has been fixed after 1.6.5 with commit 5f60de0866 "BUG/MEDIUM: > dns: > unbreak DNS resolver after header fix". > http://www.haproxy.org/git?p=haproxy-1.6.git;a=commit;h=5f60de08667c3 > 472d95cc20b87753e9fd8520057 I applied the patch. It fixes the issue. -- Grégory DURAND

