Try 'yum clean all' and then 'yum list kloxo*'.
yum clean all
Loaded plugins: fastestmirror, priorities, protectbase, replace
Cleaning repos: base extras kloxo-mr-centalt kloxo-mr-centosec kloxo-mr-epel
: kloxo-mr-ius kloxo-mr-nginx kloxo-mr-release-neutral-arch
: kloxo-mr-release-neutral-noarch kloxo-mr-release-version-arch
: kloxo-mr-release-version-noarch kloxo-mr-varnish-3.0 updates
: vz-base vz-updates
Cleaning up Everything
Cleaning up list of fastest mirrors
yum list kloxo*
Loaded plugins: fastestmirror, priorities, protectbase, replace
Determining fastest mirrors
* base: centos.crazyfrogs.org
* extras: centos.crazyfrogs.org
* kloxo-mr-epel: mirror.nl.leaseweb.net
* kloxo-mr-ius: mirror.symnds.com
* updates: centos.crazyfrogs.org
base | 3.7 kB 00:00
base/primary_db | 4.5 MB 00:00
extras | 3.5 kB 00:00
extras/primary_db | 23 kB 00:00
kloxo-mr-centalt | 951 B 00:00
kloxo-mr-centalt/primary | 68 kB 00:00
kloxo-mr-centalt 215/215
kloxo-mr-centosec | 2.6 kB 00:00
kloxo-mr-centosec/primary_db | 42 kB 00:00
kloxo-mr-epel | 4.3 kB 00:00
kloxo-mr-epel/primary_db | 5.0 MB 00:01
kloxo-mr-ius | 2.2 kB 00:00
kloxo-mr-ius/primary_db | 105 kB 00:00
kloxo-mr-nginx | 1.3 kB 00:00
kloxo-mr-nginx/primary | 5.0 kB 00:00
kloxo-mr-nginx 35/35
kloxo-mr-release-neutral-arch | 1.9 kB 00:00
kloxo-mr-release-neutral-arch/primary_db | 1.1 kB 00:00
kloxo-mr-release-neutral-noarch | 1.9 kB 00:00
kloxo-mr-release-neutral-noarch/primary_db | 11 kB 00:00
kloxo-mr-release-version-arch | 1.9 kB 00:00
kloxo-mr-release-version-arch/primary_db | 46 kB 00:00
kloxo-mr-release-version-noarch | 1.9 kB 00:00
kloxo-mr-release-version-noarch/primary_db | 1.1 kB 00:00
kloxo-mr-varnish-3.0 | 951 B 00:00
kloxo-mr-varnish-3.0/primary | 4.7 kB 00:00
kloxo-mr-varnish-3.0 13/13
updates | 3.5 kB 00:00
updates/primary_db | 5.1 MB 00:00
vz-base | 951 B 00:00
vz-base/primary | 1.3 kB 00:00
vz-base 3/3
vz-updates | 951 B 00:00
vz-updates/primary | 157 B 00:00
0 packages excluded due to repository protections
Error: No matching Packages to list
yum list kloxo*
Loaded plugins: fastestmirror, priorities, protectbase, replace
Loading mirror speeds from cached hostfile
* base: centos.crazyfrogs.org
* extras: centos.crazyfrogs.org
* kloxo-mr-epel: mirror.nl.leaseweb.net
* kloxo-mr-ius: mirror.symnds.com
* updates: centos.crazyfrogs.org
0 packages excluded due to repository protections
Error: No matching Packages to list