Tax Reporting Templates · Domain Security

Tax Reporting Templates Domain Security

Domain security

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

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Transport & Host Security

www.irs.gov

HTTPS: yes · TLS: TLSv1.3 · HSTS: yes · cert expires: Aug 24 05:55:53 2026 GMT

la1.www4.irs.gov

HTTPS: yes · TLS: TLSv1.3 · HSTS: no · cert expires: Aug 17 12:33:10 2026 GMT

developers.taxjar.com

HTTPS: yes · TLS: TLSv1.3 · HSTS: no · cert expires: Sep 6 23:15:29 2026 GMT

Domain (DNS/Email) Security

irs.gov

DNSSEC: yes · SPF: yes · DMARC: yes (p=reject) · CAA: none

taxjar.com

DNSSEC: no · SPF: yes · DMARC: yes · CAA: none

Source

Domain Security

generated: '2026-07-11'
method: probed
source: live DNS/TLS/HTTP probes of apis.yml + OpenAPI hosts
hosts:
- host: www.irs.gov
  https: true
  tls_version: TLSv1.3
  cert_expires: Aug 24 05:55:53 2026 GMT
  hsts: true
  hsts_max_age: 31536000
- host: la1.www4.irs.gov
  https: true
  tls_version: TLSv1.3
  cert_expires: Aug 17 12:33:10 2026 GMT
  hsts: null
- host: developers.taxjar.com
  https: true
  tls_version: TLSv1.3
  cert_expires: Sep  6 23:15:29 2026 GMT
  hsts: false
domains:
- domain: irs.gov
  dnssec: true
  caa: []
  spf: true
  dmarc: true
  dmarc_policy: reject
- domain: taxjar.com
  dnssec: false
  caa: []
  spf: true
  dmarc: true