Twin directories of zircon:

[DIR]  ftp://debian.lcs.mit.edu/pub/debian-amd64/debian-amd64/pool/main/z/zircon/
[DIR]  ftp://debian.lcs.mit.edu/pub/debian-amd64/debian/pool/main/z/zircon/
[DIR]  ftp://ftp.kfki.hu/pub/linux/ubuntu/pool/universe/z/zircon/
[DIR]  ftp://ftp.internat.freebsd.org/pub/FreeBSD/ports/irc/zircon/
[DIR]  ftp://ftp.3logic.net/.1/debian-archive/pool/main/z/zircon/
[DIR]  ftp://ftp.wustl.edu/pub/linux/distributions/debian/pool/main/z/zircon/
[DIR]  ftp://ftp.nz.debian.org/ubuntu/pool/universe/z/zircon/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/tcl/mirror/ftp.procplace.com/sorted/packages-8.0/x11/zircon/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/tcl/mirror/ftp.procplace.com/sorted/x11/zircon/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/linux/ubuntu/pool/universe/z/zircon/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/FreeBSD/development/FreeBSD-CVS/ports/net/zircon/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/FreeBSD/development/FreeBSD-CVS/ports/irc/zircon/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/NetBSD/packages/current-src/pkgsrc/chat/zircon/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/NetBSD/misc/snj/pkgstat/20050112.1442/chat/zircon/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/NetBSD/misc/grant/pkgstat/20040711.1811/chat/zircon/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/NetBSD/misc/grant/pkgstat/20040716.0710/chat/zircon/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/NetBSD/misc/rhaen/reports/20071231.0851/chat/zircon/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/NetBSD/misc/dmcmahill/pkgstat/2004-04-25-alpha/chat/zircon/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/NetBSD/misc/grant/pkgstat/20040121/chat/zircon/
[DIR]  ftp://ftp.uni-hannover.de/pub/mirror/bsd/NetBSD/misc/grant/pkgstat/20040131/chat/zircon/
[DIR]  ftp://ftp.port80.se/ubuntu/pool/universe/z/zircon/
[DIR]  ftp://ftp.cs.iastate.edu/pub/linux/debian/pool/main/z/zircon/
[DIR]  ftp://ftp.wu-wien.ac.at/pub/src/lang/tcl/tcl/sorted/packages-8.0/x11/zircon/
[DIR]  ftp://ftp.amigascne.org/old/groups/z/zircon/
[DIR]  ftp://130.251.19.2/ubuntu/pool/universe/z/zircon/
[DIR]  ftp://130.251.19.2/debian-amd64/pool/main/z/zircon/
[DIR]  ftp://ftp.wh2.tu-dresden.de/pub/mirrors/ubuntu/ubuntu/pool/universe/z/zircon/
[DIR]  ftp://ftp.wh2.tu-dresden.de/pub/mirrors/debian-amd64/debian-amd64/pool/main/z/zircon/
[DIR]  ftp://ftp.wh2.tu-dresden.de/pub/mirrors/debian-amd64/debian/pool/main/z/zircon/
[DIR]  ftp://ftp.wh8.tu-dresden.de/pub/linux/distributions/ubuntu/pool/universe/z/zircon/
[DIR]  ftp://ftp.swin.edu.au/freebsd/development/FreeBSD-CVS/ports/net/zircon/
[DIR]  ftp://ftp.swin.edu.au/freebsd/development/FreeBSD-CVS/ports/irc/zircon/
[DIR]  ftp://ftp.uni-kassel.de/Mirrors/archive.ubuntu.com/ubuntu/pool/universe/z/zircon/
[DIR]  ftp://24.215.0.24/Ubuntu/ubuntu/pool/universe/z/zircon/
[DIR]  ftp://ftp.cs.mun.ca/pub/mirror/ubuntu/pool/universe/z/zircon/
[DIR]  ftp://ftp.fr.debian.org/debian-amd64/pool/main/z/zircon/
[DIR]  ftp://sapi.vlsm.org/.1/debian/pool/main/z/zircon/
[DIR]  ftp://sapi.vlsm.org/.3/ubuntu/pool/universe/z/zircon/
[DIR]  ftp://ftp.sk.freebsd.org/pub/FreeBSD/development/FreeBSD-CVS/ports/net/zircon/
[DIR]  ftp://ftp.sk.freebsd.org/pub/FreeBSD/development/FreeBSD-CVS/ports/irc/zircon/
[DIR]  ftp://ftp.cz.netbsd.org/pub/NetBSD/misc/rhaen/reports/20071231.0851/chat/zircon/
[DIR]  ftp://ftp.undernet.org/pub/clients/tcl-tk/zircon/
[DIR]  ftp://ftp.undernet.org/pub/clients/unix/xwindows/zircon/
[DIR]  ftp://ftp.undernet.org/pub/clients/xwindows/zircon/
[DIR]  ftp://91.189.88.31/ubuntu/pool/universe/z/zircon/
[DIR]  ftp://91.189.88.46/ubuntu/pool/universe/z/zircon/
[DIR]  ftp://ftp.free.fr/.mirrors6/ftp.ubuntu.com/ubuntu/pool/universe/z/zircon/
[DIR]  ftp://ftp.free.fr/.mirrors1/ftp.netbsd.org/packages/current-src/pkgsrc/chat/zircon/
[DIR]  ftp://ftp.free.fr/.mirrors1/ftp.freebsd.org/development/FreeBSD-CVS/ports/net/zircon/
[DIR]  ftp://ftp.free.fr/.mirrors1/ftp.freebsd.org/development/FreeBSD-CVS/ports/irc/zircon/