10IPS
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Site passport: costco.com

Full analysis: security, configuration and availability

Monitor
82of 100
B · The site is in good shape

The site is in good shape

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

ReachableHTTPSSPF + DMARCHeaders C
Screenshot of costco.com costco.com151.101.131.52
AvailabilityOK
SSL / TLSC · 27 days
DNSB · IPv6 —
Email (MX)A · MX ✓
SecurityC · missing: 4
SPF / DMARCSPF ✓ · DMARC ✓
HostingFastly, Inc.
CDNFastly
ASN / IPAS54113 · 151.101.131.52

Score history

72808904.1104.11

What to fix

SSL expires soonOpen the fix →
No IPv6Open the fix →
Missing security headersOpen the fix →

What changed since last time

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