semgroup · Domain Security

Semgroup Domain Security

Domain security

Domain security posture for semgroup, probed live across 1 host(s) and 1 registrable domain(s). 1 host(s) serve HTTPS; 0 advertise HSTS. Email/DNS controls: DNSSEC absent, SPF present, DMARC present (p=quarantine).

Fortune 1000

Transport & Host Security

www.semgroup.com
HTTPS: yes · HSTS: no

Domain (DNS/Email) Security

semgroup.com
DNSSEC: no · SPF: yes · DMARC: yes (p=quarantine) · CAA: none

Source

Domain Security

semgroup-domain-security.yml Raw ↑ 
generated: '2026-07-11'
method: probed
source: live DNS/TLS/HTTP probes of apis.yml + OpenAPI hosts
hosts:
- host: www.semgroup.com
  https: true
  tls_cert_error: '[SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: Hostname mismatch,
    certificate is not valid for ''www.semgrou'
  hsts: null
domains:
- domain: semgroup.com
  dnssec: false
  caa: []
  spf: true
  dmarc: true
  dmarc_policy: quarantine