Sei · Domain Security

Sei Domain Security

Domain security

Domain security posture for Sei, probed live across 3 host(s) and 2 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=quarantine).

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Transport & Host Security

sei.io
HTTPS: yes · TLS: TLSv1.3 · HSTS: yes · cert expires: Sep 21 01:36:58 2026 GMT
docs.sei.io
HTTPS: yes · TLS: TLSv1.3 · HSTS: yes · cert expires: Oct 9 12:10:05 2026 GMT
evm-rpc.sei-apis.com
HTTPS: yes · TLS: TLSv1.3 · HSTS: no · cert expires: Sep 17 17:30:59 2026 GMT

Domain (DNS/Email) Security

sei.io
DNSSEC: no · SPF: yes · DMARC: yes (p=quarantine) · CAA: none
sei-apis.com
DNSSEC: no · SPF: no · DMARC: no · CAA: none

Source

Domain Security

Raw ↑ 
generated: '2026-07-11'
method: probed
source: live DNS/TLS/HTTP probes of apis.yml + OpenAPI hosts
hosts:
- host: sei.io
  https: true
  tls_version: TLSv1.3
  cert_expires: Sep 21 01:36:58 2026 GMT
  hsts: true
  hsts_max_age: 63072000
- host: docs.sei.io
  https: true
  tls_version: TLSv1.3
  cert_expires: Oct  9 12:10:05 2026 GMT
  hsts: true
  hsts_max_age: 63072000
- host: evm-rpc.sei-apis.com
  https: true
  tls_version: TLSv1.3
  cert_expires: Sep 17 17:30:59 2026 GMT
  hsts: null
domains:
- domain: sei.io
  dnssec: false
  caa: []
  spf: true
  dmarc: true
  dmarc_policy: quarantine
- domain: sei-apis.com
  dnssec: false
  caa: []
  spf: false
  dmarc: false