Scalable Software and Systems · Domain Security

Scalable Software And Systems Domain Security

Domain security

Domain security posture for Scalable Software and Systems, probed live across 3 host(s) and 2 registrable domain(s). 3 host(s) serve HTTPS (up to TLSv1.3); 2 advertise HSTS. Email/DNS controls: DNSSEC absent, SPF present, DMARC absent.

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Transport & Host Security

backstage.io
HTTPS: yes · TLS: TLSv1.3 · HSTS: no · cert expires: Sep 27 15:01:52 2026 GMT
cloudevents.io
HTTPS: yes · TLS: TLSv1.3 · HSTS: yes · cert expires: Oct 3 01:48:35 2026 GMT
kafka.apache.org
HTTPS: yes · TLS: TLSv1.3 · HSTS: yes · cert expires: Aug 24 23:33:10 2026 GMT

Domain (DNS/Email) Security

backstage.io
DNSSEC: no · SPF: yes · DMARC: no · CAA: none
cloudevents.io
DNSSEC: no · SPF: no · DMARC: no · CAA: none

Source

Domain Security

Raw ↑ 
generated: '2026-07-11'
method: probed
source: live DNS/TLS/HTTP probes of apis.yml + OpenAPI hosts
hosts:
- host: backstage.io
  https: true
  tls_version: TLSv1.3
  cert_expires: Sep 27 15:01:52 2026 GMT
  hsts: false
- host: cloudevents.io
  https: true
  tls_version: TLSv1.3
  cert_expires: Oct  3 01:48:35 2026 GMT
  hsts: true
  hsts_max_age: 31536000
- host: kafka.apache.org
  https: true
  tls_version: TLSv1.3
  cert_expires: Aug 24 23:33:10 2026 GMT
  hsts: true
  hsts_max_age: 31536000
domains:
- domain: backstage.io
  dnssec: false
  caa: []
  spf: true
  dmarc: false
- domain: cloudevents.io
  dnssec: false
  caa: []
  spf: false
  dmarc: false