Twin directories of z:

[DIR]  ftp://ftp.nectec.or.th/.b/5/ubuntu-official/archive/pool/universe/z/
[DIR]  ftp://ftp.il.kernel.org/pub/linux/ubuntu/pool/universe/z/
[DIR]  ftp://ftp.ucr.ac.cr/pub/Unix/linux/distribuciones/ubuntu/pool/universe/z/
[DIR]  ftp://208.209.50.19/pub/linux/ubuntu/pool/universe/z/
[DIR]  ftp://ftp.lug.udel.edu/pub/ubuntu/pool/universe/z/
[DIR]  ftp://ftp.informatik.hu-berlin.de/pub2/Mirrors/ftp.de.debian.org/debian/pool/main/z/
[DIR]  ftp://ftp.il.kernel.org/pub/linux/debian/pool/main/z/
[DIR]  ftp://ftp.uni-giessen.de/pub/linux/debian/pool/main/z/
[DIR]  ftp://ftp.kaist.ac.kr/debian/pool/main/z/
[DIR]  ftp://ftp.lami.univ-evry.fr/debian/pool/main/z/
[DIR]  ftp://ftp.uevora.pt/debian/pool/main/z/
[DIR]  ftp://ftp.ula.ve/linux/distribuciones/debian/pool/main/z/
[DIR]  ftp://ftp.pl.debian.org/pub/debian/pool/main/z/
[DIR]  ftp://ftp.linux.pt/pub/mirrors/debian/pool/main/z/
[DIR]  ftp://ftp.sun.ac.za/pub/mirrors/debian2/pool/main/z/
[DIR]  ftp://ftp.debian.hu/debian-security/pool/updates/main/z/
[DIR]  ftp://ftp.uwa.edu.au/mirrors/linux/debian-security/pool/updates/main/z/
[DIR]  ftp://ftp.man.szczecin.pl/pub/Linux/debian-security/pool/updates/main/z/
[DIR]  ftp://ftp.mgts.by/pub/debian-security/pool/updates/main/z/
[DIR]  ftp://ftp.ps.pl/dsk0/games.tucows.com/z/
[DIR]  ftp://ftp.cesnet.cz/.vol/archive.ubuntu.com/mirror/ubuntu/pool/universe/z/
[DIR]  ftp://ftp.dei.uc.pt/pub/linux/ubuntu/ubuntu/pool/universe/z/
[DIR]  ftp://ftp.rz.tu-bs.de/pub/mirror/.mounts/sdc1/archive.ubuntu.com/ubuntu/pool/universe/z/
[DIR]  ftp://ftp.lv.kernel.org/ubuntu/pool/universe/z/
[DIR]  ftp://ftp.tuke.sk/ubuntu/pool/universe/z/
[DIR]  ftp://ftp.ps.pl/dsk0/www.linuxberg.com/z/
[DIR]  ftp://ftp.ps.pl/dsk0/www.tucows.com/z/
[DIR]  ftp://ftp.kmzpub.ru/z/
[DIR]  ftp://ftp.skynet.be/mirror1/tucows.skynet.be/games/z/
[DIR]  ftp://ftp.skynet.be/mirror1/tucows.skynet.be/windows/z/
[DIR]  ftp://ftp.skynet.be/mirror1/tucows.skynet.be/themes/z/
[DIR]  ftp://ftp.skynet.be/mirror1/tucows.skynet.be/pda/z/
[DIR]  ftp://ftp.skynet.be/mirror1/tucows.skynet.be/mac/z/
[DIR]  ftp://ftp.skynet.be/mirror1/tucows.skynet.be/linux/z/
[DIR]  ftp://ftp.cesnet.cz/.vol/releases.ubuntulinux.org/ubuntu/pool/universe/z/
[DIR]  ftp://ftp.cesnet.cz/.vol/releases.ubuntulinux.org/ubuntu/pool/multiverse/z/
[DIR]  ftp://ftp.cesnet.cz/.vol/releases.ubuntulinux.org/ubuntu/pool/main/z/
[DIR]  ftp://ftp.udc.es/mirror/ubuntu/pool/universe/z/
[DIR]  ftp://ftp.funet.fi/.m/mirrors1/rtfm.mit.edu/pub/usenet-by-hierarchy/comp/specification/z/
[DIR]  ftp://ftp.linux.it/ubuntu/pool/universe/z/
[DIR]  ftp://ftp.linux.it/ubuntu/pool/multiverse/z/
[DIR]  ftp://202.136.100.225/mnt2/mac/z/
[DIR]  ftp://ftp.gwdg.de/pub/rtfm/usenet-by-hierarchy/comp/specification/z/
[DIR]  ftp://202.136.100.225/mnt2/linux/z/
[DIR]  ftp://ftp.ural.ru/pub/mirrors/debian/pool/non-free/z/
[DIR]  ftp://ftp.ural.ru/pub/mirrors/debian/pool/main/z/
[DIR]  ftp://ftp.ural.ru/pub/mirrors/debian-security/pool/updates/main/z/
[DIR]  ftp://ftp.mgts.by/pub/ubuntu/pool/universe/z/
[DIR]  ftp://ftp.mgts.by/pub/ubuntu/pool/multiverse/z/
[DIR]  ftp://ftp.worldofspectrum.org/pub/sinclair/games/z/