Visual Studio · Domain Security

Visual Studio Domain Security

Domain security

Domain security posture for Visual Studio, 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 absent, SPF present, DMARC present (p=reject).

IDEDeveloper ToolsMicrosoftCode CollaborationMarketplaceExtensions

Transport & Host Security

visualstudio.microsoft.com

HTTPS: yes · TLS: TLSv1.3 · HSTS: yes · cert expires: Mar 1 19:38:54 2027 GMT

www.npmjs.com

HTTPS: yes · TLS: TLSv1.3 · HSTS: no · cert expires: Aug 14 03:32:50 2026 GMT

marketplace.visualstudio.com

HTTPS: yes · TLS: TLSv1.3 · HSTS: no · cert expires: Sep 6 13:38:08 2026 GMT

Domain (DNS/Email) Security

microsoft.com

DNSSEC: no · SPF: yes · DMARC: yes (p=reject) · CAA: yes

npmjs.com

DNSSEC: yes · SPF: yes · DMARC: yes (p=quarantine) · CAA: yes

Source

Domain Security

generated: '2026-07-11'
method: probed
source: live DNS/TLS/HTTP probes of apis.yml + OpenAPI hosts
hosts:
- host: visualstudio.microsoft.com
  https: true
  tls_version: TLSv1.3
  cert_expires: Mar  1 19:38:54 2027 GMT
  hsts: true
  hsts_max_age: 15768000
- host: www.npmjs.com
  https: true
  tls_version: TLSv1.3
  cert_expires: Aug 14 03:32:50 2026 GMT
  hsts: null
- host: marketplace.visualstudio.com
  https: true
  tls_version: TLSv1.3
  cert_expires: Sep  6 13:38:08 2026 GMT
  hsts: null
domains:
- domain: microsoft.com
  dnssec: false
  caa:
  - 0 contactemail "caarecordaware@microsoft.com"
  spf: true
  dmarc: true
  dmarc_policy: reject
- domain: npmjs.com
  dnssec: true
  caa:
  - 0 issue "comodoca.com"
  - 0 issue "digicert.com; cansignhttpexchanges=yes"
  - 0 issue "letsencrypt.org"
  - 0 issue "pki.goog; cansignhttpexchanges=yes"
  - 0 issue "sectigo.com"
  - 0 issue "ssl.com"
  spf: true
  dmarc: true
  dmarc_policy: quarantine