Can you ping mirror.slitaz.org ?
The mirror is working here :
tux@slitaz:~$ sudo tazpkg recharge
Creating backup of the last packages list... [ OK ]
Connecting to mirror.slitaz.org (94.23.60.116:80)
packages.desc 100% |*******************************| 232k 00:00:00 ETA
Connecting to mirror.slitaz.org (94.23.60.116:80)
packages.md5 100% |*******************************| 132k 00:00:00 ETA
Connecting to mirror.slitaz.org (94.23.60.116:80)
packages.txt 100% |*******************************| 208k 00:00:00 ETA
Connecting to mirror.slitaz.org (94.23.60.116:80)
packages.list 100% |*******************************| 41568 --:--:-- ETA
Connecting to mirror.slitaz.org (94.23.60.116:80)
packages.equiv 100% |*******************************| 1264 --:--:-- ETA
Connecting to mirror.slitaz.org (94.23.60.116:80)
files.list.lzma 100% |*******************************| 892k 00:00:00 ETA
Connecting to mirror.slitaz.org (94.23.60.116:80)
mirrors 100% |*******************************| 665 --:--:-- ETA
Mirrored packages diff
================================================================================
0 new packages on the mirror.
tux@slitaz:~$ ping -c 6 mirror.slitaz.org
PING mirror.slitaz.org (94.23.60.116): 56 data bytes
64 bytes from 94.23.60.116: seq=0 ttl=50 time=119.036 ms
64 bytes from 94.23.60.116: seq=1 ttl=50 time=118.601 ms
64 bytes from 94.23.60.116: seq=2 ttl=50 time=116.981 ms
64 bytes from 94.23.60.116: seq=3 ttl=50 time=118.768 ms
64 bytes from 94.23.60.116: seq=4 ttl=50 time=117.466 ms
64 bytes from 94.23.60.116: seq=5 ttl=50 time=118.870 ms
--- mirror.slitaz.org ping statistics ---
6 packets transmitted, 6 packets received, 0% packet loss
round-trip min/avg/max = 116.981/118.287/119.036 ms