* gnu/services/dns.scm (<dnsmasq-configuration>): Add forward-private-reverse-lookup?, strict-order? and cpe-id options. (dnsmasq-shepherd-service): Pass added options to dnsmasq and use match-record instead of match-lambda. * doc/guix.texi (Guix Services): Document options added to dnsmasq. Signed-off-by: Ludovic Courtès <ludo@gnu.org>