Blockchain.com · Domain Security

Blockchain Domain Security

Domain security

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

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Transport & Host Security

www.blockchain.com
HTTPS: yes · TLS: TLSv1.3 · HSTS: yes · cert expires: Oct 26 23:59:59 2026 GMT
blockchain.info
HTTPS: yes · TLS: TLSv1.3 · HSTS: yes · cert expires: Oct 26 23:59:59 2026 GMT
api.blockchain.info
HTTPS: yes · TLS: TLSv1.3 · HSTS: yes · cert expires: Oct 26 23:59:59 2026 GMT

Domain (DNS/Email) Security

blockchain.com
DNSSEC: yes · SPF: yes · DMARC: yes (p=quarantine) · CAA: none
blockchain.info
DNSSEC: yes · SPF: yes · DMARC: yes (p=quarantine) · 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: www.blockchain.com
  https: true
  tls_version: TLSv1.3
  cert_expires: Oct 26 23:59:59 2026 GMT
  hsts: true
  hsts_max_age: 31536000
- host: blockchain.info
  https: true
  tls_version: TLSv1.3
  cert_expires: Oct 26 23:59:59 2026 GMT
  hsts: true
  hsts_max_age: 31536000
- host: api.blockchain.info
  https: true
  tls_version: TLSv1.3
  cert_expires: Oct 26 23:59:59 2026 GMT
  hsts: true
  hsts_max_age: 31536000
domains:
- domain: blockchain.com
  dnssec: true
  caa: []
  spf: true
  dmarc: true
  dmarc_policy: quarantine
- domain: blockchain.info
  dnssec: true
  caa: []
  spf: true
  dmarc: true
  dmarc_policy: quarantine