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

Results forwebhookhandler.pretture.com

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2025-12-30T03:51:04.885	2025-12-30T02:52:34	2026-03-30T02:52:33	webhookhandler.pretture.com	webhookhandler.pretture.com	C=US, O=Let's Encrypt, CN=R13
2025-12-30T03:51:04.457	2025-12-30T02:52:34	2026-03-30T02:52:33	webhookhandler.pretture.com	webhookhandler.pretture.com	C=US, O=Let's Encrypt, CN=R13
2025-10-30T16:51:27.827	2025-10-30T15:52:57	2026-01-28T15:52:56	webhookhandler.pretture.com	webhookhandler.pretture.com	C=US, O=Let's Encrypt, CN=R12
2025-10-30T16:51:27.491	2025-10-30T15:52:57	2026-01-28T15:52:56	webhookhandler.pretture.com	webhookhandler.pretture.com	C=US, O=Let's Encrypt, CN=R12