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rubygems.org
Security, TLS & performance report · checked 2026-11-01T04:24:57Z · category: registries
Security headers: B 83/100
(rank #38 of 461) · TLS: TLSv1.3 ·
Cert expires in 128 days (rank #361 of 459 soonest)
· Response: 46.1 ms (rank #43 of 446)
Certificate valid for 128 more days (until Mar 9 18:00:25 2027 GMT).
TLS certificate
| Field | Value |
| Issuer | GlobalSign nv-sa |
| Subject CN | rubygems.org |
| Valid until | Mar 9 18:00:25 2027 GMT |
| Days left | 128 |
| TLS version | TLSv1.3 |
| SAN entries | 4 |
Security headers (83/100, grade B)
| Header | Status |
|---|
strict-transport-security | max-age=31536000; includeSubDomains |
content-security-policy | default-src 'self'; font-src 'self' https://fonts.gstatic.com; img-src 'self' data: https: |
x-frame-options | SAMEORIGIN |
x-content-type-options | nosniff |
referrer-policy | strict-origin-when-cross-origin |
permissions-policy | missing |
Availability & performance
| Field | Value |
| Availability | 100% (3/3 probes) |
| Avg response | 46.1 ms |
| Fastest / slowest | 19.7 / 91.8 ms |
| HTTP status | 200 (https) |
| Server | RubyGems.org |
DNS & robots.txt
| Field | Value |
| A records | 151.101.193.227, 151.101.1.227, 151.101.129.227, 151.101.65.227 |
| Nameservers | ns1.dnsimple-edge.com, ns2.dnsimple-edge.net, ns3.dnsimple-edge.io, ns4.dnsimple-edge.org |
| MX records | 1 |
| robots.txt | present (0 sitemap refs, 5 disallow rules) |
How rubygems.org compares
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