LinkSquares · Domain Security

Linksquares Domain Security

Domain security

Domain security posture for LinkSquares, probed live across 3 host(s) and 1 registrable domain(s). 3 host(s) serve HTTPS (up to TLSv1.3); 2 advertise HSTS. Email/DNS controls: DNSSEC absent, SPF present, DMARC present (p=reject).

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Transport & Host Security

linksquares.com
HTTPS: yes · TLS: TLSv1.3 · HSTS: yes · cert expires: Sep 20 16:14:10 2026 GMT
api.linksquares.com
HTTPS: yes · TLS: TLSv1.3 · HSTS: no · cert expires: Nov 20 23:59:59 2026 GMT
developer.linksquares.com
HTTPS: yes · TLS: TLSv1.2 · HSTS: yes · cert expires: Nov 20 23:59:59 2026 GMT

Domain (DNS/Email) Security

linksquares.com
DNSSEC: no · SPF: yes · DMARC: yes (p=reject) · CAA: none

Source

Domain Security

Raw ↑ 
generated: '2026-07-12'
method: probed
source: live DNS/TLS/HTTP probes of apis.yml + OpenAPI hosts
hosts:
- host: linksquares.com
  https: true
  tls_version: TLSv1.3
  cert_issuer: Google Trust Services (WE1)
  cert_expires: Sep 20 16:14:10 2026 GMT
  hsts: true
  hsts_max_age: 63072000
  server: cloudflare
  http_status: 200
- host: api.linksquares.com
  https: true
  tls_version: TLSv1.3
  cert_issuer: Amazon RSA 2048 M04
  cert_expires: Nov 20 23:59:59 2026 GMT
  hsts: false
  http_status: 403
  note: >-
    Production API gateway. Returns 403 without a valid x-api-key header, as
    expected for a customer-gated API. HSTS header not present on the 403 gateway
    response.
- host: developer.linksquares.com
  https: true
  tls_version: TLSv1.2
  cert_issuer: Amazon RSA 2048 M04
  cert_expires: Nov 20 23:59:59 2026 GMT
  hsts: true
  hsts_max_age: 31536000
  hsts_include_subdomains: true
  server: nginx
  http_status: 200
  note: Interactive developer/API reference portal (login-gated).
domains:
- domain: linksquares.com
  dnssec: false
  caa: []
  spf: true
  spf_record: v=spf1 include:_spf.google.com include:mail.zendesk.com include:amazonses.com include:_spf.salesforce.com include:6934676.spf56.hubspotemail.net include:stspg-customer.com ~all
  dmarc: true
  dmarc_policy: reject