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

Results forwww.bifrost-web.gw.postman.com

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2022-09-01T13:25:44.509	2022-09-01T00:00:00	2023-08-31T23:59:59	sni.cloudflaressl.com	bifrost-web.gw.postman.com	C=US, O="Cloudflare, Inc.", CN=Cloudflare Inc ECC CA-3
2022-09-01T13:25:43.706	2022-09-01T00:00:00	2023-08-31T23:59:59	sni.cloudflaressl.com	bifrost-web.gw.postman.com	C=US, O="Cloudflare, Inc.", CN=Cloudflare Inc RSA CA-2
2022-08-29T09:00:08.683	2022-08-29T00:00:00	2023-08-28T23:59:59	sni.cloudflaressl.com	bifrost-web.gw.postman.com	C=US, O="Cloudflare, Inc.", CN=Cloudflare Inc ECC CA-3
2022-08-29T09:00:07.916	2022-08-29T00:00:00	2023-08-28T23:59:59	sni.cloudflaressl.com	bifrost-web.gw.postman.com	C=US, O="Cloudflare, Inc.", CN=Cloudflare Inc RSA CA-2
2022-07-15T19:40:25.946	2022-07-15T00:00:00	2023-07-14T23:59:59	sni.cloudflaressl.com	bifrost-web.gw.postman.com	C=US, O="Cloudflare, Inc.", CN=Cloudflare Inc ECC CA-3
2022-07-15T19:40:25.086	2022-07-15T00:00:00	2023-07-14T23:59:59	sni.cloudflaressl.com	bifrost-web.gw.postman.com	C=US, O="Cloudflare, Inc.", CN=Cloudflare Inc RSA CA-2