calc2026.agc.gov.sg.

Last scanned: 24 Apr 2026 at 01:14 UTC

Associated IPs (10):

Show all associated IPs Hide full list
99.86.20.61 99.86.20.78 99.86.20.55 2600:9000:2149:b200:3:b2ab:2080:93a1 2600:9000:2149:2400:3:b2ab:2080:93a1 2600:9000:2149:5400:3:b2ab:2080:93a1 2600:9000:2149:5800:3:b2ab:2080:93a1 2600:9000:2149:0:3:b2ab:2080:93a1 2600:9000:2149:8000:3:b2ab:2080:93a1 2600:9000:2149:dc00:3:b2ab:2080:93a1
99.86.20.61 99.86.20.78 99.86.20.55 2600:9000:2149:b200:3:b2ab:2080:93a1 2600:9000:2149:2400:3:b2ab:2080:93a1 2600:9000:2149:5400:3:b2ab:2080:93a1 2600:9000:2149:5800:3:b2ab:2080:93a1 2600:9000:2149:0:3:b2ab:2080:93a1 2600:9000:2149:8000:3:b2ab:2080:93a1

Domain Hierarchy

Parent: agc.gov.sg.
Historically Associated IPs
99.86.20.39 2600:9000:2149:600:3:b2ab:2080:93a1 2600:9000:2149:2600:3:b2ab:2080:93a1 2600:9000:2149:3400:3:b2ab:2080:93a1 2600:9000:2149:7600:3:b2ab:2080:93a1 2600:9000:2149:8a00:3:b2ab:2080:93a1 2600:9000:2149:a000:3:b2ab:2080:93a1 2600:9000:2149:a200:3:b2ab:2080:93a1 2600:9000:2149:a600:3:b2ab:2080:93a1

Open Ports (2)

80/http 443/https
Detailed Open Ports
Port Protocol State Service Product Banner / Title
80 tcp open http — Redirect -> http://studentservices.curtin.edu.au/studentone//
99.86.20.61
301 Redirect
Probe details
Module: zgrab - http
Last probed: 16 May 2026 at 10:39 UTC
Redirect: http://studentservices.curtin.edu.au/studentone//
Headers:
server: AmazonS3
location: http://studentservices.curtin.edu.au/studentone//
99.86.20.78
301 Redirect
Probe details
Module: zgrab - http
Last probed: 16 May 2026 at 10:18 UTC
HTTP title: 301 Moved Permanently
Redirect: https://archive-dev.handbook.curtin.edu.au/
Headers:
server: CloudFront
location: https://archive-dev.handbook.curtin.edu.au/
443 tcp open https — Redirect -> http://studentservices.curtin.edu.au/studentone//
99.86.20.61
301 TLSv1.3 TLS_AES_128_GCM_SHA256 Redirect Cert 215d
Probe details
Module: zgrab - tls+https+jarm
Last probed: 16 May 2026 at 10:39 UTC
Redirect: http://studentservices.curtin.edu.au/studentone//
Cert subject: s1web.curtin.edu.au
Cert issuer: Amazon RSA 2048 M04
Cert not before: 18 Nov 2025 at 00:00 UTC
Cert not after: 17 Dec 2026 at 23:59 UTC
SAN count: 2
Headers:
server: AmazonS3
location: http://studentservices.curtin.edu.au/studentone//
99.86.20.78
200 TLSv1.3 TLS_AES_128_GCM_SHA256 Cert 112d
Probe details
Module: zgrab - tls+https+jarm
Last probed: 16 May 2026 at 10:18 UTC
HTTP title: Archived Courses Handbook
Cert subject: archive-dev.handbook.curtin.edu.au
Cert issuer: Amazon RSA 2048 M04
Cert not before: 20 Feb 2026 at 00:00 UTC
Cert not after: 05 Sep 2026 at 23:59 UTC
SAN count: 1
Headers:
server: AmazonS3