Audit: microsoft.com

Audited on 7 Sep 2026

83
overall score
On-page SEO
100
Crawlability
50
TLS & security
75
Network
83
Email
100
DNS
92

Checking…

  • Outages cost you traffic and rankings while they last, and they rarely happen while you are watching.

On-page SEO

100/100
  • Page allows indexing
  • Title, description, H1 and canonical 7/9 on-page checks pass

What the page carries

Read from www.microsoft.com's homepage in the same request as the checks above. Link counts are for this page only — site-wide depth and orphan pages need a crawl.

Title Microsoft – AI, Cloud, Productivity, Computing, Gaming & Apps 61 chars
Structured data WebSite
Images without alt 14 of 38
Links on this page 84 internal · 9 external
Key pages one click away contact, about

Crawlability

50/100
  • robots.txt present + valid Parsed cleanly · 22 sitemap(s) declared
  • Sitemap.xml is valid XML Present but does not parse — Specification mandates value for attribute crossorigin

TLS & security

75/100
  • TLS handshake succeeds
  • Certificate not expiring soon 90 days left

Network

83/100
  • Hostname resolves to an A record 13.107.253.57
  • ! Server header does not leak version

Email

100/100
  • MX records valid + reachable
  • SPF record present v=spf1 include:_spf-a.microsoft.com include:_spf-b.microsoft.com include:_spf-c.microsoft.com include:_spf-ssg-a.msft.net include:_spf1-meo.microsoft.com -all
  • DMARC record present
  • DMARC policy enforced p=reject
  • DKIM key published selector=selector2, ~1296-bit

DNS

92/100
  • A records resolve
  • NS records present
  • MX records present
  • ! DNS resolvers agree on the same A record 80% of 12 resolvers agree
  • Domain registration not expiring soon 223 days left
  • Domain is established 35y 4m 4d (1991-05-02)

What changed

2 things changed on microsoft.com in the last 30 days.

Certificates expire, DNS gets edited, a header goes missing in a deploy. Prove the domain is yours and we watch it on a schedule — free — and email you the moment something moves, so you hear it from us instead of from a customer.

Subdomains discovered 🔒 Pro

3797 via Certificate Transparency · 500+ truncated

We found 3797 subdomains for microsoft.com via Certificate Transparency logs.

Unlock the subdomain list

  • See every subdomain discovered via crt.sh CT logs
  • Click any subdomain to audit it (separate report)
  • Useful for security recon + asset inventory

A certificate that expires on Tuesday should not wait until Friday. Prove a domain is yours and we check it free, once a week, emailing you anything that changed. Pro checks it once a day, looks at every host on the domain, and keeps 365 days of history — so you hear about a problem in hours rather than days.

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