DIR last-hit
   DIR search-hosts_ar co mx pe
   DIR search-hosts_at be ch cr cz de dk fi fr gr hr hu it lt nl
   DIR search-hosts_au cn hk jp nz th tw cx
   DIR search-hosts_ca
   DIR search-hosts_com net
   DIR search-hosts_com+net+org+edu+gov+mil+int+us+ca+za+il+in+tr+ar+co+mx+pe+au+cn+cx+hk+jp+nz+th+tw+at+be+ch+cr+cz+de+dk+fi+fr+gr+hr+hu+it+lt+nl+es+no+pl+pt+ro+ru+se+su+ua+uk
   DIR search-hosts_edu
   DIR search-hosts_es no pl pt ro ru se su ua uk
   DIR search-hosts_gov mil
   DIR search-hosts_il in tr
   DIR search-hosts_info
   DIR search-hosts_org
   DIR search-hosts_us
   DIR search-hosts_za