subdomains.txt

# Common Subdomains
www
www2
www3
ftp
mail
smtp
imap
pop
pop3
webmail
email
api
secure
admin
administrator
root
portal
cpanel
whm
plesk
dashboard
panel
control
help
oauth
oauth2
sso
auth
login
signin
signup
register
registration
checkout
payment
profile
account
user
users
support
helpdesk
docs
documentation
wiki
cloud
assets
static
img
images
pictures
pics
photo
photos
video
videos
media
files
download
downloads
uploads
js
css
fonts
m
mobile
app
apps
application
beta
alpha
forum
forums
community
blog
news
shop
store
ecommerce
cart
search
status
health
ping
home
main
ns
ns1
ns2
dns
host
hostname

# Environments
dev
develop
development
staging
stage
stg
prod
production
live
test
testing
tests
demo
qa
qat
uat
preprod
pre
pre-prod
sandbox
sbx
internal
int
priv
private
local
localhost
backend
back
frontend
front
web
app-dev
app-staging
app-prod
api-dev
api-staging
api-prod
api-test

# API Variants
api1
api2
api-v1
api-v2
api-v3
apiv1
apiv2
apiv3
rest
restapi
rest-api
graphql
gql
ws
websocket
wss
rpc
grpc
soap
gateway
api-gateway
apigateway

# Services and Protocols
git
gitlab
github
bitbucket
svn
hg
mercurial
cvs
jenkins
bamboo
circleci
travis
teamcity
jira
confluence
slack
teams
zoom
meet
zendesk
wordpress
wp
shopify
magento
woocommerce
drupal
joomla
salesforce
crm
erp
sap
oracle
sharepoint
exchange
outlook
office
o365
monitoring
metrics
grafana
prometheus
kibana
elastic
elasticsearch
logstash
splunk
datadog
newrelic
sql
database
db
mysql
postgresql
postgres
mariadb
mssql
oracle-db
mongodb
mongo
cassandra
dynamodb
redis
memcache
memcached
cache
rabbitmq
kafka
mqtt
smtps
mailserver
mailgun
sendgrid
postfix
mail1
mail2
mail3
mx
mx1
mx2
mx3

# Cloud Providers & Infrastructure
aws
amazon
s3
ec2
rds
lambda
azure
azurewebsites
blob
gcp
gcloud
firebase
heroku
digitalocean
linode
vultr
cloudflare
akamai
fastly
cloudfront
k8s
kubernetes
docker
registry
swarm
rancher
openshift
terraform
ansible
puppet
chef
nomad

# Authentication & Security
saml
ldap
ad
activedirectory
adfs
sts
iam
identity
okta
duo
mfa
2fa
otp
keycloak
cas
radius
vpn
openvpn
wireguard
ipsec
proxy
socks
waf
firewall
ids
ips

# Geographical Regions
us
usa
us-east
us-west
us-central
na
north-america
eu
europe
eu-west
eu-central
uk
gb
england
scotland
au
australia
asia
apac
ap
ca
canada
jp
japan
tokyo
de
germany
berlin
fr
france
paris
india
in
mumbai
delhi
ny
nyc
newyork
sf
sfo
sanfrancisco
la
lax
losangeles
chicago
dallas
miami
atlanta
boston
seattle
singapore
sg
hk
hongkong
sydney
melbourne
brazil
br
saopaulo
mexico
spain
es
madrid
italy
it
netherlands
nl
amsterdam
russia
ru
moscow
china
cn
beijing
shanghai
korea
kr
seoul

# Backup and Legacy
backup
backups
bak
bkp
old
oldsite
oldweb
old-site
legacy
archive
archives
archived
previous
prev
v1
v2
v3
v4
v5
version1
version2
2023
2022
2021
2020
deprecated
decom
retired

# Failover and Load Balancing
lb
loadbalancer
load-balancer
haproxy
nginx
apache
failover
fo
secondary
sec
standby
fallback
backup-server
primary
replica
slave
master
cluster
node
node1
node2
node3

# Direct Connection & Remote Access
direct
direct-connect
remote
remote-access
remote-desktop
rdp
vnc
ssh
telnet
bastion
jump
jumpbox

# Mobile & Apps
android
ios
iphone
ipad
tablet
amp
pwa
cordova
ionic
reactnative
flutter

# Content Delivery & Edge
cdn
cdn1
cdn2
cdn3
static1
static2
static3
edge
edge1
cache1
pop1
origin
mirror
mirrors
download1
download2

# Payment & Financial
pay
payments
billing
invoice
invoices
stripe
paypal
braintree
square
transaction
transactions
wallet
finance
merchant

# Analytics & Tracking
analytics
stats
statistics
tracking
track
ga
google-analytics
piwik
matomo
segment
mixpanel
amplitude
logs
logger
logging

# Testing & Quality Assurance
qc
quality
perf
performance
load
loadtest
stress
pen
pentest
security
sectest
vuln
bug
bugbounty

# Developer Tools
tools
dev-tools
devtools
debug
debugger
trace
profiler
lint
build
ci
cd
pipeline
deploy
deployment
release
artifact
artifacts
package
packages
npm
yarn
maven
gradle
nuget

# Email & Communication
roundcube
squirrelmail
horde
zimbra
newsletter
mailinglist
bulk
broadcast
notification
notifications
alert
alerts

# Admin & Management
manage
manager
management
console
cockpit
controlpanel
settings
config
configuration
system
sys
ops
devops
netops
sysadmin

# Staging & Testing Environments
gamma
delta
canary
preview
rc
release-candidate
nightly
edge-release
experimental
feature
pilot

# Monitoring & Health
uptime
heartbeat
monitor
probe
check
healthcheck
alive

# Marketing & SEO
marketing
promo
promotion
campaign
landing
lp
landingpage
seo
sem
ads
adwords
affiliate

# Social & Community
social
board
discuss
discussion
chat
messenger
comments
feedback
reviews
press
media-kit

# File Storage & Transfer
file
upload
storage
drive
share
shared
transfer
ftps
sftp
webdav
nas
nfs
smb
cifs

# IoT & Devices
iot
device
devices
sensor
sensors
smart
thing
things
hub
controller
automation

# Video & Streaming
stream
streaming
vod
rtmp
hls
webrtc
media-server
wowza
red5

# Collaboration & Productivity
collab
collaborate
workspace
team
project
projects
task
tasks
calendar
schedule
meeting
conference
call
video-call

# Data & Database
data
dataset
datasets
warehouse
datawarehouse
lake
datalake
etl
bi
business-intelligence
report
reports
reporting
query
analyst

# Partners & External
partner
partners
vendor
vendors
supplier
suppliers
reseller
resellers
affiliates
b2b
wholesale
distributor

# Internal & Private
intranet
inside
corp
corporate
employee
employees
staff
hr
humanresources
accounting
legal
compliance

# Game & Entertainment
game
games
gaming
play
player
match
matchmaking
lobby
leaderboard
tournament

# Education & Training
learn
learning
edu
education
training
course
courses
academy
university
school
tutorial
tutorials
lesson
lessons

# Research & Development
research
r-and-d
rnd
lab
labs
laboratory
experiment
proto
prototype
innovation

# Localization
en
pt
zh
ja
ko
ar
hi
tr
pl
sv
no
da
fi
id
th
vi
cs

# Network Infrastructure
router
switch
bridge
modem
access-point
wifi
wireless
lan
wan
dmz
vlan

# Miscellaneous
temp
tmp
scratch
misc
other
new
next
redirect
link
links
short
shortener
go
url
qr
webhook
webhooks
hook
hooks
cron
job
jobs
worker
workers
queue
scheduler
async
sync
public
pub
demo1
demo2
demo3
client
clients
customer
customers
v
version
welcome
start
begin
info
about
contact
careers
jobs-board
privacy
terms
tos
dmca
abuse
security-txt

# Extended Origin & Infrastructure Targets
access
access-gateway
access-proxy
accounts-api
active-directory
actual
actual-ip
admin1
admin2
admin3
admin4
admin-api
admin-console
administrator2
admin-panel
af-south
alertmanager
alpha-api
anycast
ap-east
api3
api4
api5
api-origin
ap-northeast
app1
app2
app3
app-api
app-origin
ap-south
ap-southeast
ap-west
archive-origin
archives-origin
argo
argocd
argo-cd
artifactory
assets1
assets2
assets-origin
ats
auth-proxy
automate
az1
az2
az3
backend-api
backend-origin
backup-origin
backups-origin
balancer
balancer1
balancer2
bangalore
beats
beta-api
billing-api
blackbox
blackbox-exporter
blob-origin
blue
bluegreen
blue-green
bot
bots
bounce
bounces
branch
branches
bucket
buckets
build-agent
build-agents
buildkite
bypass
bypass-origin
cadvisor
california
cart-api
cdn-origin
cf-origin
chartmuseum
charts
chat-api
chatbot
checkout-api
chennai
ci-runner
ci-runners
client-api
cloudflare-origin
clusters
composer
concourse
console-admin
console-api
consul
container-registry
control-panel
control-plane
corp-admin
crm-api
customer-api
dashboard1
dashboard2
dav
demo-api
deployer
deployments
dev-api
directorigin
direct-origin
dkim
dmarc
docker-registry
download-origin
dualstack
dual-stack
dublin
edge2
edge3
edge4
edge5
edge-api
edgeorigin
edge-origin
email-api
email-gateway
employee-admin
erp-api
etcd
eu-north
exporter
external-api
external-ip
external-lb
feature-branch
features
files1
files2
files-origin
finance-api
forward-proxy
frankfurt
freshdesk
ftp-origin
gateway-api
gem
geo
geoip
github-actions
gitlab-runner
global
graphql-api
graylog
green
grpc-api
healthchecks
helm
helm-registry
helpcenter
help-center
hrms
hyderabad
idp
image-registry
images-origin
imap1
imap2
img-origin
in1
in2
india-api
infra
infrastructure
ingress
ingress-nginx
intercom
internal-admin
internal-api
internal-lb
ipv4
ipv6
istio
jaeger
jenkins-agent
jenkins-main
jfrog
jump-host
jumpserver
jwt
k8s-dashboard
kerberos
kms
kochi
kolkata
kube
kubeapi
kube-api
kube-dashboard
lb1
lb2
lb3
legacy-admin
legacy-api
legacy-web
linkerd
list
lists
listserv
livechat
log
login2
login3
loki
london
mail-gateway
mail-relay
management-console
marketing-mail
masters
me-central
media1
media2
media-origin
mesh
me-south
metrics-api
metrics-server
minio
minio-api
mirror-origin
mobile-api
mock
mock-api
mocks
new-origin
newsletters
new-web
next-web
nexus
nocdn
no-cdn
node-exporter
nodes
noncdn
non-cdn
oauth-proxy
objects
object-storage
ohio
oidc
old-admin
old-api
old-origin
old-web
openid
opensearch
opentelemetry
ops-admin
order
orders
orders-api
oregon
origin1
origin-1
origin2
origin-2
origin-lb
origins
otel
panel1
panel2
partner-api
passkey
payments-api
payroll
people
people-api
pipelines
pkg
plain
plain-origin
platform
platform-api
pointofsale
pop2
portal1
portal2
portal3
pos
preprod-api
preview-api
primary-origin
private-admin
private-api
private-lb
prod-api
production-api
proxy2
proxy3
proxy-api
public-api
public-ip
public-lb
pune
pypi
qa-api
qatar
raw
raw-origin
realip
real-ip
recruiting
recruitment
region1
region2
regional
registries
registry-origin
relay
releases
remote-admin
repo-origin
repos
reverse-proxy
review
review-apps
rollback
rollbacks
rollout
root-admin
rpc-api
runner
runners
s3-bucket
s3-origin
sa-east
sales-api
sandbox-api
secondary-origin
secret
secrets
secure-admin
sentry
server-origin
servicedesk
service-desk
service-mesh
session
sessions
sftp-origin
shell
shell-access
shop-api
signin2
smtp1
smtp2
smtp3
smtp-relay
soap-api
socket
socket-api
sonatype
source
source-ip
spf
squid
ssh-gateway
ssh-proxy
staff-admin
stage-api
staging-api
static-origin
status-api
statuspage
stockholm
storage-origin
store-api
stream-origin
stub
stub-api
stubs
superadmin
super-admin
support-api
system-admin
talent
tempo
term
terminal
test-api
texas
ticket
ticketing
tickets
token
tokens
tracing
traefik
transactional
transactional-mail
trueorigin
true-origin
uae
uat-api
unicast
unprotected
unproxied
upload1
upload2
uploads-origin
uptime-kuma
v10
v1-api
v2-api
v3-api
v6
v7
v8
v9
vault
video-origin
vip
vip1
vip2
virginia
virtual-ip
vnext
vpn2
vpn3
vpn-admin
web1
web2
web3
webauthn
web-origin
worker-node
workflow
workflows
ws-api
zerotrust
zero-trust
zipkin
zone1
zone2