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

Results forpreviewable.com

Domain Name	First seen	Still exists
spidermancollector.com.previewable.com	2022-11-03T15:35:35.742Z
cryptojhopper.com.previewable.com	2022-11-03T15:23:27.126Z
dateif.com.previewable.com	2022-10-06T14:31:37.385Z
arduinoenigma.com.previewable.com	2022-09-29T20:27:36.528Z
transferretirement.com.previewable.com	2022-09-14T19:40:28.211Z
ofwindows.com.previewable.com	2022-06-22T08:24:44.009Z
ohioraffle.com.previewable.com	2022-05-03T04:26:43.897Z
chabadpanamacity.com.previewable.com	2022-04-16T18:47:17.236Z
goldirainvesting.com.previewable.com	2022-03-21T18:09:38.525Z
accomplishabundance.com.previewable.com	2021-10-28T08:06:10.349Z
beautyfit.xyz.previewable.com	2021-06-03T09:47:45.025Z
tiddio.com.previewable.com	2021-06-02T22:33:24.572Z
smartyhd.com.previewable.com	2021-05-20T13:33:44.756Z
tailorvideo.com.previewable.com	2021-05-20T02:52:53.114Z
thearlingtoninsurance.com.previewable.com	2021-02-26T16:54:14.096Z
jpgs.xyz.previewable.com	2020-12-23T11:02:53.092Z
ideapie.com.previewable.com	2020-12-23T02:39:08.164Z
www.previewable.com	2020-09-11T21:00:35.233Z