What are invalid sub-domains?

Whenever you create a new hub you have to choose subdomain which creates the URL for your StatusHub site. E.g. yourcompany.statushub.io

An error message will be displayed is the subdomain you inputted is already taken or is on our invalid list shown below:

addressme
admin
administrator
api
app
citrix
cogneto
cognetoapps
cognetoio
controlpanel
cp
custom_domain
custom_subdomain
dns
facebook
forest-gateway
hooks
hostmaster
linkedin
mail
microsoft
node
nodestatus
ns
pagestatus
panel
pinterest
point
pointdns
root
self
service
servicestatus
sitestatus
smasher
staging
status
status-hub
status_hub
statushub
statushubio
statuspage
statussite
statusweb
stillalive
stillalivecom
test
twist
twistio
twitter
update
updates
webadmin
webhooks
webmaster
webnode
webstatus
worskpaces
www