Southwest Power Pool · Domain Security

Spp Domain Security

Domain security

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

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Transport & Host Security

www.spp.org
HTTPS: yes · TLS: TLSv1.2 · HSTS: no · cert expires: Jan 29 18:24:24 2027 GMT
portal.spp.org
HTTPS: yes · TLS: TLSv1.2 · HSTS: yes · cert expires: Mar 9 13:43:12 2027 GMT
spp.org
HTTPS: yes · TLS: TLSv1.2 · HSTS: no · cert expires: Jan 29 18:24:24 2027 GMT

Domain (DNS/Email) Security

spp.org
DNSSEC: no · SPF: yes · DMARC: yes (p=reject) · 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.spp.org
  https: true
  tls_version: TLSv1.2
  cert_expires: Jan 29 18:24:24 2027 GMT
  hsts: false
- host: portal.spp.org
  https: true
  tls_version: TLSv1.2
  cert_expires: Mar  9 13:43:12 2027 GMT
  hsts: true
  hsts_max_age: 63072000
- host: spp.org
  https: true
  tls_version: TLSv1.2
  cert_expires: Jan 29 18:24:24 2027 GMT
  hsts: false
domains:
- domain: spp.org
  dnssec: false
  caa: []
  spf: true
  dmarc: true
  dmarc_policy: reject