TECO Energy · Domain Security

Teco Energy Domain Security

Domain security

Domain security posture for TECO Energy, probed live across 3 host(s) and 2 registrable domain(s). 3 host(s) serve HTTPS (up to TLSv1.3); 0 advertise HSTS. Email/DNS controls: DNSSEC absent, SPF present, DMARC present (p=reject).

EnergyUtilitiesElectricNatural GasSmart GridTampa BayFortune 1000

Transport & Host Security

www.tecoenergy.com
HTTPS: yes · TLS: TLSv1.3 · HSTS: no · cert expires: Feb 23 23:59:59 2027 GMT
www.tampaelectric.com
HTTPS: yes · TLS: TLSv1.3 · HSTS: no · cert expires: Feb 24 23:59:59 2027 GMT
account.tecoenergy.com
HTTPS: yes · TLS: TLSv1.2 · HSTS: no · cert expires: Dec 17 23:59:59 2026 GMT

Domain (DNS/Email) Security

tecoenergy.com
DNSSEC: no · SPF: yes · DMARC: yes (p=reject) · CAA: yes
tampaelectric.com
DNSSEC: no · SPF: yes · DMARC: yes (p=reject) · CAA: yes

Source

Domain Security

Raw ↑ 
generated: '2026-07-11'
method: probed
source: live DNS/TLS/HTTP probes of apis.yml + OpenAPI hosts
hosts:
- host: www.tecoenergy.com
  https: true
  tls_version: TLSv1.3
  cert_expires: Feb 23 23:59:59 2027 GMT
  hsts: false
- host: www.tampaelectric.com
  https: true
  tls_version: TLSv1.3
  cert_expires: Feb 24 23:59:59 2027 GMT
  hsts: false
- host: account.tecoenergy.com
  https: true
  tls_version: TLSv1.2
  cert_expires: Dec 17 23:59:59 2026 GMT
  hsts: null
domains:
- domain: tecoenergy.com
  dnssec: false
  caa:
  - 0 issue "geotrust.com"
  - 0 issue "letsencrypt.org"
  - 0 issue "sectigo.com"
  - 0 issue " pki.goog; cansignhttpexchanges=yes"
  - 0 issue "amazonaws.com"
  - 0 issue "digicert.com; cansignhttpexchanges=yes"
  spf: true
  dmarc: true
  dmarc_policy: reject
- domain: tampaelectric.com
  dnssec: false
  caa:
  - 0 issue "geotrust.com"
  - 0 issue "letsencrypt.org"
  spf: true
  dmarc: true
  dmarc_policy: reject