Site passport: reactjs.org

Full analysis: security, configuration and availability

Monitor

69of 100

D · Room to improve

Room to improve

3 issue(s) found — see below for what and how to fix.

ReachableHTTPSSPF/DMARC missingHeaders F

Screenshot of reactjs.org

reactjs.org76.76.21.21

AvailabilityOK

SSL / TLSA · 39 days

DNSF · IPv6 —

Email (MX)D · MX —

SecurityF · missing: 5

SPF / DMARCSPF ✓ · DMARC ✕

HostingVercel, Inc

CDN—

ASN / IPAS16509 · 76.76.21.21

Score history

What to fix

No DMARC — no anti-spoofingOpen the fix →

No IPv6Open the fix →

Missing security headersOpen the fix →

What changed since last time

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