# Add subdomain words here, one per line
# Example:
# internal
# secret-api
# dev2

# ── Common / General ─────────────────────────────────────────────
www
mail
email
ftp
smtp
pop
pop3
imap
ns1
ns2
ns3
ns4
dns
dns1
dns2
dns3
mx
mx1
mx2
mx3
webmail
remote
vpn
ssl
secure
portal
gateway
proxy
router
firewall
host
server
node
edge
cdn
static
assets
media
img
images
video
videos
audio
files
file
data
storage
upload
uploads
download
downloads
backup
backups
archive
archives
log
logs
report
reports
stats
status
health
ping
monitor
metrics
telemetry
alerts
notify
notification
notifications
event
events
queue
job
jobs
worker
workers
cron
scheduler
task
tasks

# ── Dev / Staging / Testing ──────────────────────────────────────
dev
dev1
dev2
dev3
dev4
dev0
development
develop
developer
developers
sandbox
test
test1
test2
test3
test0
testing
qa
qa1
qa2
qa-test
quality
uat
sit
stg
stg1
stg2
staging
stage
preprod
pre-prod
pre-production
preview
demo
demo1
demo2
demos
beta
beta1
beta2
beta3
alpha
alpha1
alpha2
canary
rc
release
release-candidate
nightly
nightly-build
build
builds
ci
cd
ci-cd
pipeline
deploy
deployment
int
integration
integration-test
hotfix
hotfix1
feature
features
experiment
experiments
lab
labs
playground
scratch
spike
prototype
prototypes
poc
proof-of-concept

# ── Admin / Management ───────────────────────────────────────────
admin
admin1
admin2
admin3
admin0
admins
administration
administrator
administrators
sysadmin
webadmin
superadmin
super-admin
root
mgmt
manage
manager
management
control
controlpanel
control-panel
cpanel
whm
plesk
panel
panels
backend
backoffice
back-office
backoffice1
backoffice2
bo
cms
cms1
cms2
console
consoles
dashboard
dash
hub
hub1
hub2
ops
operations
devops
sre
infra
infrastructure
platform
platforms
tools
tooling
internal
intranet
corp
corporate
private
secret
hidden
secure1
secure2

# ── API ──────────────────────────────────────────────────────────
api
api1
api2
api3
api4
api0
api-v1
api-v2
api-v3
api-v4
api-gateway
api-proxy
api-internal
api-public
api-private
api-dev
api-test
api-staging
api-prod
api-sandbox
api-beta
api-alpha
api-legacy
api-old
api-new
api-secure
api-auth
api-payments
api-billing
api-users
api-accounts
api-orders
api-products
api-catalog
api-search
api-media
api-assets
api-cdn
api-events
api-notifications
api-webhooks
api-ws
api-mobile
api-web
api-v1-dev
api-v2-dev
rest
restapi
graphql
grpc
ws
wss
websocket
websockets
webhook
webhooks
rpc
microservice
microservices
service
services
svc
endpoint
endpoints
gateway
gateway1
gateway2

# ── Auth / Identity ──────────────────────────────────────────────
auth
auth1
auth2
auth0
authentication
sso
sso1
sso2
saml
oauth
oauth2
openid
oidc
idp
identity
login
login1
login2
logout
signup
register
account
accounts
password
reset
verify
verification
mfa
2fa
otp
token
tokens
jwt
session
sessions
cookie
cookies
ldap
ad
activedirectory
keycloak
okta
pingfederate
cas
radius

# ── Mail / Messaging ─────────────────────────────────────────────
mail
mail1
mail2
mail3
mail0
smtp
smtp1
smtp2
smtp3
imap
imap1
pop3
pop3s
webmail
webmail1
webmail2
owa
exchange
mta
relay
relay1
relay2
outbound
inbound
mailadmin
mailserver
mailhost
lists
list
mailing
newsletter
campaign
campaigns
mailer
noreply
no-reply
bounce
bounces
autoresponder
postmaster
hostmaster
spam
spam-filter
spamfilter
antispam
anti-spam
dkim
spf
dmarc
mailqueue
mailbox
mailboxes
chat
chat1
chat2
im
messaging
msg
sms
mms
push
push-notification
push-notifications
slack
teams
telegram
whatsapp
signal
discord
matrix
xmpp
jabber
prosody
rocketchat

# ── Database / Storage ───────────────────────────────────────────
db
db1
db2
db3
db4
db0
database
databases
mysql
mysql1
mysql2
postgres
postgresql
pgsql
mongo
mongodb
mongo1
redis
redis1
redis2
redismaster
redisslave
memcached
elastic
elasticsearch
es
es1
es2
solr
cassandra
couchdb
couch
influxdb
influx
timescale
neo4j
orientdb
dynamodb
aurora
rds
sqlserver
mssql
oracle
sqlite
mariadb
galera
percona
clickhouse
presto
hive
spark
hadoop
hdfs
zookeeper
zoo1
zoo2
kafka
kafka1
kafka2
rabbitmq
rabbit
rabbit1
nats
pulsar
activemq
celery
storage
storage1
storage2
s3
blob
object
objectstore
fileserver
nas
san
nfs
cifs
smb
minio
ceph
gluster

# ── Cloud / DevOps / Infrastructure ─────────────────────────────
k8s
kubernetes
kube
rancher
docker
dockerhub
registry
registry1
registry2
harbor
nexus
artifactory
jenkins
jenkins1
jenkins2
gitlab
gitlab-ci
github
git
gitea
gogs
bitbucket
teamcity
bamboo
drone
circle
circleci
travis
travis-ci
ansible
puppet
chef
terraform
vault
consul
nomad
packer
vagrant
helm
istio
linkerd
envoy
nginx
apache
traefik
haproxy
lb
lb1
lb2
loadbalancer
load-balancer
proxy1
proxy2
proxy3
vpn1
vpn2
vpn3
openvpn
wireguard
ipsec
firewall1
firewall2
bastion
bastion1
bastion2
jump
jumpserver
jumphost
gateway1
gateway2
egress
ingress
nat
floatingip
vip
anycast
edge1
edge2
edge3
cdn1
cdn2
cdn3
cloudfront
fastly
akamai
cloudflare
aws
azure
gcp
gke
eks
aks
ec2
rds1
rds2
vpc
subnet
private-subnet
public-subnet
mgmt-vpc
infra-vpc
network
network1

# ── Monitoring / Observability ───────────────────────────────────
grafana
grafana1
kibana
kibana1
prometheus
alertmanager
jaeger
zipkin
datadog
newrelic
dynatrace
splunk
splunk1
logstash
fluentd
fluentbit
loki
thanos
victoria
victoriametrics
pagerduty
opsgenie
statuspage
status1
status2
uptime
uptime-robot
nagios
icinga
zabbix
cacti
munin
netdata
observium
librenms
prtg
pandora
solarwinds
monit
sensu
kapacitor
telegraf
sentry
sentry1
bugsnag
rollbar
raygun
appdynamics
instana
elastic-apm
apm
tracing
trace1
logs1
logs2
devnull

# ── Security ─────────────────────────────────────────────────────
security
sec
security1
soc
soc1
soc2
siem
ids
ips
waf
waf1
waf2
scan
scanner
scanner1
vuln
vulndb
pentest
red
redteam
blue
blueteam
honeypot
honeypot1
trap
sandbox1
sandbox2
malware
threat
threatintel
intel
cert
certs
pki
ca
certificates
certificate
ssl1
ssl2
tls
tls1
hsm
pgp
gpg
password
passwords
passwd
shadow
secrets
vault1
vault2
credential
credentials
keyvault
keystore
keymanager
2fa1
mfa1
audit
audit1
audit2
compliance
gdpr
hipaa
iso
pen-test
vulnerability
sast
dast
sonarqube
sonar
checkmarx
veracode
fortify
blackduck
snyk
trivy
twistlock
aqua
lacework
prisma

# ── Web / Frontend ───────────────────────────────────────────────
web
web1
web2
web3
www1
www2
www3
www-dev
www-test
www-staging
www-old
www-new
www-beta
wwww
home
site
sites
app
app1
app2
app3
apps
application
mobile
mobile-api
ios
android
pwa
spa
web-app
webapp
webapps
frontend
front
front-end
ui
ux
ui-dev
design
portal1
portal2
landing
lp
promo
promotion
promotions
offers
offer
deals
deal
sale
sales
shop
store
store1
store2
ecommerce
commerce
cart
checkout
payment
payments
pay
billing
billing1
invoice
order
orders
tracking
track
support
support1
support2
helpdesk
help
help-desk
service
services
client
clients
customer
customers
partner
partners
vendor
vendors
supplier
suppliers
crm
erp
hrm
hris
hr
people
org
organization
team
teams

# ── Regions / Geo ────────────────────────────────────────────────
us
us1
us2
us-east
us-west
us-east-1
us-east-2
us-west-1
us-west-2
use
usw
eu
eu1
eu2
eu-west
eu-central
eu-east
eu-north
eu-west-1
eu-west-2
eu-west-3
eu-central-1
euw
euc
ap
ap1
ap2
ap-east
ap-southeast
ap-northeast
ap-south
aps
ane
ase
af
af-south
sa
sa-east
me
me-south
ca
ca-central
au
au1
au2
au-east
nz
jp
jp1
sg
sg1
hk
hk1
cn
cn1
in
in1
br
br1
de
de1
fr
fr1
uk
uk1
gb
gb1
nl
nl1
ru
ru1
kr
kr1
prod-us
prod-eu
prod-ap
prod-sg
dev-us
dev-eu
dev-ap
stg-us
stg-eu
stg-ap
ny
la
sf
chi
atl
sea
dfw
iad
lax
ord
jfk
lhr
ams
fra
cdg
dub
sin
nrt
syd
bom
gru

# ── Numeric / Versioned ──────────────────────────────────────────
1
2
3
4
5
0
10
11
12
01
02
03
04
05
001
002
003
v1
v2
v3
v4
v5
v6
v0
v1-0
v2-0
v3-0
v1dev
v2dev
v1api
v2api
node1
node2
node3
node4
node5
node6
node7
node8
node9
node10
server1
server2
server3
server4
server5
host1
host2
host3
host4
host5
web01
web02
web03
web04
web05
api01
api02
api03
db01
db02
db03
app01
app02
app03
app04
app05
svc01
svc02
svc03
lb01
lb02
mq01
mq02
cache01
cache02
worker01
worker02
worker03
worker04

# ── Internal Tools / HR / Business ──────────────────────────────
jira
confluence
wiki
wiki1
wiki2
docs
docs1
docs2
documentation
knowledge
kb
confluence1
notion
sharepoint
sharepoint1
teams1
slack1
bamboo-hr
bamboohr
workday
greenhouse
lever
ats
okta1
onelogin
jumpcloud
gsuite
office365
office
m365
ews
autodiscover
lync
skype
zoom
meet
webex
gotomeeting
ringcentral
twilio
sendgrid
mailchimp
hubspot
salesforce
sfdc
sfmc
pardot
marketo
eloqua
zendesk
freshdesk
intercom
drift
livechat
tawk
hotjar
mixpanel
segment
amplitude
heap
fullstory
logrocket
optimizely
vwo
abtesting
ab-test
split
launchdarkly
unleash
flagsmith
gitlab1
github1
bitbucket1
sonar1
jenkins3
nexus1
artifactory1
harbor1
tableau
tableau1
looker
looker1
metabase
superset
redash
mode
dbt
airflow
airflow1
luigi
prefect
dagster
fivetran
stitch
meltano
snowflake
bigquery
bq
redshift
synapse
databricks
databricks1

# ── Legacy / Old / Archived ──────────────────────────────────────
old
old1
old2
legacy
legacy1
legacy2
archive1
archive2
deprecated
retired
sunset
eol
v1-old
v2-old
v1-legacy
v2-legacy
api-old
api-legacy
backup1
backup2
backup3
bk
bk1
bk2
mirror
mirror1
mirror2
read
readonly
read-only
ro
slave
slave1
slave2
replica
replica1
replica2
standby
standby1
failover
dr
dr1
dr2
disaster-recovery
secondary
secondary1
tertiary
