It can be anything! An apex, subdomain, or even a URL.

Results forcustomary.dev

Domain Name	First seen	Still exists
docs.customary.dev	2024-10-06T12:29:51.714Z
newstaging.customary.dev	2024-01-02T07:28:56.851Z
wwwstaging.customary.dev	2023-11-20T12:45:57.068Z
staging.blog.customary.dev	2023-10-07T09:32:56.066Z
blog.customary.dev	2023-10-01T08:32:02.874Z
www.blog.customary.dev	2023-10-01T08:32:02.874Z
fwtrack.customary.dev	2023-09-25T17:47:09.464Z
help.customary.dev	2023-09-14T14:02:47.967Z
db-8-d074e528a50948d39d9bfe98a072ab5d.db.customary.dev	2023-09-13T14:54:28.821Z
db-8-77dd8b316b0244fc8eaa38b601341c39.db.customary.dev	2023-09-13T14:49:50.153Z
customary-test-today.apps.customary.dev	2023-09-13T14:13:51.315Z
beta.customary.dev	2023-09-11T06:12:10.656Z
console.customary.dev	2023-09-06T22:28:31.740Z
test-python-version.apps.customary.dev	2023-09-06T22:03:35.335Z
c-2-41.apps.customary.dev	2023-09-06T22:02:46.234Z
helloworld-go.apps.customary.dev	2023-09-06T22:02:45.588Z
api.hoster.customary.dev	2023-09-06T22:02:45.256Z
hello-world-http-test.apps.customary.dev	2023-09-06T22:02:44.615Z
hello-world-app-test.apps.customary.dev	2023-09-06T22:02:34.039Z
*.customary.dev	2023-04-27T09:03:28.160Z