act-issuer.research.cloudflare.com.
Associated IPs (4):
Domain Hierarchy
Parent:
research.cloudflare.com.
Open Ports (4)
80/http
443/https
8080/http-proxy
8443/https-alt
Detailed Open Ports
IP:
104.18.4.139
| Port | Protocol | State | Service | Product | Banner / Title |
|---|---|---|---|---|---|
| 80 | tcp | open | http | — |
301 Moved Permanently
301
Redirect
Probe details
Module:
zgrab - http
Last probed: 07 Jun 2026 at 04:05 UTC
HTTP title: 301 Moved Permanently
Redirect: https://act-issuer.research.cloudflare.com/
Headers:
server: cloudflarelocation: https://act-issuer.research.cloudflare.com/ |
| 443 | tcp | open | https | — |
Redirect -> https://act-origin.research.cloudflare.com/
302
TLSv1.3
TLS_CHACHA20_POLY1305_SHA256
Redirect
Cert 52d
Probe details
Module:
zgrab - tls+https+jarm
Last probed: 07 Jun 2026 at 04:05 UTC
Redirect: https://act-origin.research.cloudflare.com/
Cert subject: research.cloudflare.com
Cert issuer: WE1
Cert not before: 02 May 2026 at 07:42 UTC
Cert not after: 31 Jul 2026 at 08:42 UTC
SAN count: 2
Headers:
server: cloudflarelocation: https://act-origin.research.cloudflare.com/ |
| 8080 | tcp | open | http-proxy | — | Did not follow redirect to https://act-issuer.research.cloudflare.com/ |
| 8443 | tcp | open | https-alt | — | 400 The plain HTTP request was sent to HTTPS port |