Search list for hostname lookup does not work
The “search” option in resolv.conf does not work in Alpine 2.0 (and may
be 2.1 too).
The query returns “Name or service not known” (SERVFAIL).
Querying the FQDN using the domain specified in “search” option, it does
work.
(from redmine: issue id 469, created on 2010-11-08, closed on 2014-12-09)