postcode.postoffice.co.uk.
Associated IPs (6):
Domain Hierarchy
Parent:
postoffice.co.uk.
Historically Associated IPs
Open Ports (2)
80/http
443/https
Detailed Open Ports
IP:
23.55.39.244
| Port | Protocol | State | Service | Product | Banner / Title |
|---|---|---|---|---|---|
| 80 | tcp | open | http | — | Did not follow redirect to https://www.postoffice.co.uk:443/ |
| 443 | tcp | open | https | — | — |
IP:
23.75.23.234
| Port | Protocol | State | Service | Product | Banner / Title |
|---|---|---|---|---|---|
| 80 | tcp | open | http | — |
Invalid URL
Probe details
Module:
zgrab - http
Last probed: 27 May 2026 at 01:00 UTC
|
| 443 | tcp | open | https | — |
Post Office Identity
200
TLSv1.3
TLS_CHACHA20_POLY1305_SHA256
Cert 29d
Probe details
Module:
zgrab - tls+https+jarm
Last probed: 27 May 2026 at 01:01 UTC
HTTP title: Post Office Identity
Cert subject: fidc-dev-fidc.postoffice.co.uk
Cert issuer: R12
Cert not before: 30 Mar 2026 at 07:49 UTC
Cert not after: 28 Jun 2026 at 07:49 UTC
SAN count: 6
|