Standard naming scheme, or lookup system

Is there a standard naming convention for troubleshooting tools like
looking glass servers?

Thanks,
-Roy

nitrous.[domainname] seems to be fairly common for an "entrance" when
running multiple tools, etc.

lg.[domainname]
lookingglass.[domainname]
looking-glass.[domainname]
route-server.[domainname]
route-views.[domainname]

...are also seen pretty often.