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varnish.org
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Categories: Development
Varnish is a powerful, flexible HTTP accelerator that speeds up web applications by caching content and optimizing delivery.
Updated: 2026-09-03 15:45
Language: English (default)
Access: Normal
Profile views 6
Outbound visits 5
Website Overview
Limited stack disclosure and few obvious backend markers suggest a more restrained public footprint. That reduces easy fingerprinting clues but is not proof of overall security. An established domain and managed infrastructure suggest continuity of operations and may support dependable delivery, although neither guarantees service quality.
Domain and Registration
Registered in 2003, this domain has about 23 years of history. That suggests continuity, although ownership and purpose may have changed. Transfer-protection status is present, helping reduce the risk of unauthorized domain transfers. The domain uses the common .org extension, which is not an independent safety signal.
DNS and Email
The observed email authentication setup is incomplete: SPF is missing. Nameservers are provided by hyp.net, indicating managed DNS hosting. MX records point to the varnish-cache.org email service. DNSSEC is enabled, allowing validating resolvers to authenticate signed DNS data. No CNAME was found; the observed records resolve directly to addresses.
TLS and Certificates
The certificate issuer is Sectigo Limited, a commercial certificate authority. The certificate uses an RSA 2048-bit public key, offering broad client compatibility. The server supplied a complete certificate chain. No organization name is present in the certificate; the available fields are consistent with domain validation. The certificate is valid for about 365 days in total, with 61 days remaining.
HTTP and Browser Security
The checked browser-security headers were not detected, leaving fewer explicit browser-side safeguards. No X-Powered-By header was found, reducing one common source of backend fingerprinting information. The via response header indicates a CDN or caching proxy in the delivery path. No obvious internal addresses or debug information were found in the headers. The Server header contains the custom value AmazonS3.
Technology Stack Analysis
No obvious technology stack is exposed. This may reflect restrained information disclosure, although the underlying technologies remain unknown.
Search and Social Sharing
The title has 95 characters and may be truncated in search results. The Generator tag identifies Hugo 0.152.2, making the publishing system easier to fingerprint. Open Graph is partially configured; og:image is missing. Twitter Card metadata is configured. JSON-LD includes Organization data, helping describe the organization as an entity.
Hosting and Email
Pages, Search and Sharing
| Meta description | Varnish is a powerful, flexible HTTP accelerator that speeds up web applications by caching content and optimizing delivery. |
|---|---|
| Canonical URL | https://www.varnish.org/ |
| Language | English (default) |
| Twitter Card | summary |
Social Sharing Preview
7 fieldsSharing metadata
| og:url | https://www.varnish.org/ |
|---|---|
| og:type | website |
| og:title | Varnish Cache |
| og:description | Varnish is a powerful, flexible HTTP accelerator that speeds up web applications by caching content and optimizing delivery. |
| twitter:card | summary |
| twitter:title | Varnish Cache |
| twitter:description | Varnish is a powerful, flexible HTTP accelerator that speeds up web applications by caching content and optimizing delivery. |
robots.txt (opens in a new tab)
1 rulesAll bots 1 allowed · 0 disallowed
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No matching rules.
Sitemaps
1
Registration details RDAP / WHOIS
| Registrar | Domeneshop AS dba domainnameshop.com |
|---|---|
| Registered | 2003-09-07 |
| Expires | 2027-09-07 |
| Domain status | client transfer prohibited |
| Nameservers | ns1.hyp.net、ns2.hyp.net、ns3.hyp.net |
| DNSSEC | signed |
DNS records
| Type | Name | Value | TTL | Priority |
|---|---|---|---|---|
| A | varnish.org | 164.92.142.218 | 300 | — |
| AAAA | varnish.org | 2a03:b0c0:3:d0::10f5:a001 | 300 | — |
| MX | varnish.org | lists.varnish-cache.org | 3600 | 10 |
| NS | varnish.org | ns1.hyp.net | 86400 | — |
| NS | varnish.org | ns2.hyp.net | 86400 | — |
| NS | varnish.org | ns3.hyp.net | 86400 | — |
| TXT | varnish.org | _varnish-cdn-verify=fcOPzVU0onWrjJPdAmZjTb | 3600 | — |
| TXT | varnish.org | google-site-verification=js1J_DP99ImTdCG8tbjxQWio3GSyG3N2ZegUbQ-ukx4 | 3600 | — |
| DS | varnish.org | 55149 15 2 b324a7743bceefe6220956a10369a7991df46bacada95788b24ae19c035f006d | 3600 | — |
| DS | varnish.org | 55149 15 4 089c7ad06f8f70ff3d83dd36444e6f50b5a5b2c31d5d879fda721086a4283f222d264d7ead056f27d550f153d1a5a523 | 3600 | — |
| DMARC | _dmarc.varnish.org | v=DMARC1; p=none | 3600 | — |
TLS and certificates
| Assessment | Normal configuration |
|---|---|
| Supported protocols | TLSv1.3 |
| Negotiated protocol | TLSv1.3 |
| Certificate subject | *.varnish.org |
| Issuer | Sectigo Limited |
| Valid until | 2026-11-03T23:59 · Remaining when checked: 61 days |
| Verification details | Certificate trust: Passed · Hostname match: Passed |
HTTP response headers
| Header | Value |
|---|---|
| content-type | text/html |
| server | AmazonS3 |
Identified technologies
Technology stack: Unknown
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