VTLUUG auth/LDAP has been done via FreeIPA on Infrastructure:Chimera since Project_Bringing_Sexy_Back
razor was the second generation VTLUUG LDAP server, running as a VM on Cyberdelia. It superseded blade, the Kerberized LDAP server.
It is currently running Centos 6. It's IPv4 address is 128.173.89.247 and it is in the DNS record as razor.vtluug.org and luug3.ece.vt.edu. The internal IPv4 address is 10.99.0.15 and the IPv6 address through the IPv6 tunnel running on pfsense is 2001:470:8:6d9:5054:ff:fe1b:dda9