Toronto Hydro · Domain Security

Toronto Hydro Domain Security

Domain security

Domain security posture for Toronto Hydro, probed live across 3 host(s) and 3 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=none).

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Transport & Host Security

www.torontohydro.com
HTTPS: yes · TLS: TLSv1.3 · HSTS: yes · cert expires: Sep 23 06:32:21 2026 GMT
sandbox.greenbuttonalliance.org
HTTPS: yes · TLS: TLSv1.3 · HSTS: no · cert expires: Sep 28 20:26:53 2026 GMT
torontoonboarding.savagedata.com
HTTPS: yes · TLS: TLSv1.2 · HSTS: yes · cert expires: Nov 17 14:06:38 2026 GMT

Domain (DNS/Email) Security

torontohydro.com
DNSSEC: no · SPF: yes · DMARC: yes (p=none) · CAA: none
greenbuttonalliance.org
DNSSEC: no · SPF: yes · DMARC: yes (p=reject) · CAA: none
savagedata.com
DNSSEC: no · SPF: yes · DMARC: yes (p=quarantine) · CAA: none

Source

Domain Security

Raw ↑ 
generated: '2026-07-27'
method: probed
source: live DNS/TLS/HTTP probes of apis.yml + OpenAPI hosts
hosts:
- host: www.torontohydro.com
  https: true
  tls_version: TLSv1.3
  cert_expires: Sep 23 06:32:21 2026 GMT
  hsts: true
  hsts_max_age: 157680000
- host: sandbox.greenbuttonalliance.org
  https: true
  tls_version: TLSv1.3
  cert_expires: Sep 28 20:26:53 2026 GMT
  hsts: null
  note: >-
    servers[] host of the harvested Green Button Alliance OpenAPI in this repo. Not a
    Toronto Hydro host.
- host: torontoonboarding.savagedata.com
  https: true
  tls_version: TLSv1.2
  cert_expires: Nov 17 14:06:38 2026 GMT
  hsts: true
  hsts_max_age: 2592000
  server: Microsoft-IIS/10.0
  probed_manually: true
  note: >-
    Added by hand because the host is carried as DeveloperPortal/SignUp rather than
    Website, so the automated host collector did not reach it. This is the third-party
    Green Button onboarding application Toronto Hydro links to from its public Green
    Button page, operated by its platform vendor Savage Data Systems. It negotiates
    TLSv1.2 only (no TLSv1.3) and advertises a 30-day HSTS max-age — a weaker posture
    than Toronto Hydro's own www host, on the surface a developer must actually use.
domains:
- domain: torontohydro.com
  dnssec: false
  caa: []
  spf: true
  dmarc: true
  dmarc_policy: none
- domain: greenbuttonalliance.org
  dnssec: false
  caa: []
  spf: true
  dmarc: true
  dmarc_policy: reject
- domain: savagedata.com
  dnssec: false
  caa: []
  spf: true
  dmarc: true
  dmarc_policy: quarantine
  probed_manually: true
  note: Platform vendor domain hosting Toronto Hydro's Green Button third-party onboarding application.

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