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

Results forheadachelab.com

Domain Name	First seen	Still exists
arbitrage.support.headachelab.com	2023-01-23T18:11:22.406Z
entercrowd.com.headachelab.com	2022-08-13T14:22:18.645Z
addbuyer.com.headachelab.com	2022-08-13T09:02:11.829Z
idude.in.headachelab.com	2022-07-29T12:06:20.931Z
buysellrarecoins.com.headachelab.com	2022-06-15T21:14:47.596Z
icycream.com.headachelab.com	2022-04-30T06:18:21.575Z
www.hanzo.xyz.headachelab.com	2022-04-28T10:19:15.390Z
blackstockworldwide.com.headachelab.com	2022-01-21T10:13:30.967Z
travazing.com.headachelab.com	2022-01-06T20:35:22.795Z
realhealthysyrup.com.headachelab.com	2021-09-12T18:44:21.972Z
dancebtc.com.headachelab.com	2021-05-27T22:09:35.396Z
bettercalladeline.com.headachelab.com	2021-04-30T22:06:01.403Z
oncorus.net.headachelab.com	2021-04-15T11:17:51.032Z
bruteware.com.headachelab.com	2021-04-12T05:28:15.157Z
hayak.org.headachelab.com	2021-04-10T04:35:45.778Z
okvegans.com.headachelab.com	2021-01-09T01:40:52.398Z
3dprototipos.com.headachelab.com	2020-05-09T07:34:16.576Z
www.headachelab.com	2019-03-13T12:29:25.052Z