int-refer.nhs.uk.

Last scanned: 25 May 2026 at 15:32 UTC

Associated IPs (4):

3.169.71.122 3.169.71.94 3.169.71.57 3.169.71.89

Domain Hierarchy

Parent: nhs.uk.
Direct Subdomains (1):
apigateway.int-refer.nhs.uk.
Historically Associated IPs
3.164.85.111 3.164.85.6 3.164.85.33 3.164.85.34

Open Ports (2)

80/http 443/https
Detailed Open Ports
Port Protocol State Service Product Banner / Title
80 tcp open http — 301 Moved Permanently
3.169.71.57
301 Redirect
Probe details
Module: zgrab - http
Last probed: 27 May 2026 at 00:24 UTC
HTTP title: 301 Moved Permanently
Redirect: https://chat.prod.cdp.postoffice.co.uk/
Headers:
server: CloudFront
location: https://chat.prod.cdp.postoffice.co.uk/
443 tcp open https — Post Office Live Chat
3.169.71.57
200 TLSv1.3 TLS_AES_128_GCM_SHA256 Cert 150d
Probe details
Module: zgrab - tls+https+jarm
Last probed: 27 May 2026 at 00:24 UTC
HTTP title: Post Office Live Chat
Cert subject: chat.prod.cdp.postoffice.co.uk
Cert issuer: Amazon RSA 2048 M01
Cert not before: 29 Sep 2025 at 00:00 UTC
Cert not after: 27 Oct 2026 at 23:59 UTC
SAN count: 1
Headers:
server: AmazonS3