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prometheus.io
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An open-source monitoring system with a dimensional data model, flexible query language, efficient time series database and modern alerting approach.
Updated: 2026-09-03 16:37
Language: English (default)
Access: Normal
Profile views 6
Outbound visits 5
Website Overview
An established domain and managed infrastructure suggest continuity of operations and may support dependable delivery, although neither guarantees service quality. Page metadata, canonical configuration and social previews work together to provide more consistent search and sharing presentation.
Domain and Registration
Registered in 2013, this domain has about 13 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 .io extension, which is not an independent safety signal.
DNS and Email
MX records exist, but SPF, DKIM and DMARC were not detected. Protection against domain impersonation may be incomplete. The lowest TTL is 10 seconds, supporting rapid record changes at the cost of more frequent lookups. Nameservers are provided by Cloudflare, indicating managed DNS hosting. MX records point to the Google Workspace email service. CAA records restrict which certificate authorities are authorized to issue certificates.
TLS and Certificates
The public key uses EC with 256 bits. 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 was issued within the Google Trust Services cloud or CDN ecosystem. The certificate's total validity is about 90 days, consistent with a short renewal cycle.
HTTP and Browser Security
The response lacks these common security headers: CSP, Referrer-Policy, Permissions-Policy, clickjacking protection. No X-Powered-By header was found, reducing one common source of backend fingerprinting information. The cf-ray 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 identifies cloudflare without an exact version.
Technology Stack Analysis
The public page identifies Next.js, Cloudflare, Netlify without precise versions, leaving fewer clues for version-specific scanning.
Search and Social Sharing
Open Graph is partially configured; og:type is missing. Twitter Card metadata is configured. The title has 53 characters, within a common display range. A meta description is present, with 149 characters. The observed directives allow indexing and link following.
Hosting and Email
Location
Location unknown
104.21.60.220
Location unknown
Pages, Search and Sharing
| Meta description | An open-source monitoring system with a dimensional data model, flexible query language, efficient time series database and modern alerting approach. |
|---|---|
| Canonical URL | https://prometheus.io/ |
| Language | English (default) |
| Twitter Card | summary_large_image |
Social Sharing Preview
8 fieldsSharing metadata
| og:url | https://prometheus.io/ |
|---|---|
| og:image | https://prometheus.io/opengraph-image.png?b370f6418ef38b42 |
| og:title | Prometheus - Monitoring system & time series database |
| og:description | An open-source monitoring system with a dimensional data model, flexible query language, efficient time series database and modern alerting approach. |
| twitter:card | summary_large_image |
| twitter:image | https://prometheus.io/twitter-image.png?b370f6418ef38b42 |
| twitter:title | Prometheus - Monitoring system & time series database |
| twitter:description | An open-source monitoring system with a dimensional data model, flexible query language, efficient time series database and modern alerting approach. |
robots.txt (opens in a new tab)
0 rulesNo rules found
No matching rules.
Sitemaps
1
Registration details RDAP / WHOIS
| Registrar | 1API GmbH |
|---|---|
| Registered | 2013-01-25 |
| Expires | 2027-01-25 |
| Domain status | clientTransferProhibited https://icann.org/epp#clientTransferProhibited |
| Nameservers | damon.ns.cloudflare.com、gene.ns.cloudflare.com |
| DNSSEC | unsigned |
DNS records
| Type | Name | Value | TTL | Priority |
|---|---|---|---|---|
| A | prometheus.io | 104.21.60.220 | 10 | — |
| A | prometheus.io | 172.67.201.240 | 10 | — |
| AAAA | prometheus.io | 2606:4700:3030::ac43:c9f0 | 300 | — |
| AAAA | prometheus.io | 2606:4700:3035::6815:3cdc | 300 | — |
| MX | prometheus.io | aspmx.l.google.com | 300 | 1 |
| MX | prometheus.io | alt1.aspmx.l.google.com | 300 | 5 |
| MX | prometheus.io | alt2.aspmx.l.google.com | 300 | 5 |
| MX | prometheus.io | alt3.aspmx.l.google.com | 300 | 10 |
| MX | prometheus.io | alt4.aspmx.l.google.com | 300 | 10 |
| MX | prometheus.io | bq2ktxwtt2jn3bfqdxyun7k5xiocls2bzyovljf6x3phdcvxr56q.mx-verification.google.com | 300 | 15 |
| NS | prometheus.io | damon.ns.cloudflare.com | 86400 | — |
| NS | prometheus.io | gene.ns.cloudflare.com | 86400 | — |
| TXT | prometheus.io | google-site-verification=pD7ffQ-fdaKAyzu2JGGbJ6s_vo4sbxFA-F7EbiAqai0 | 3600 | — |
| CAA | prometheus.io | 0 issue "comodoca.com" | 3600 | — |
| CAA | prometheus.io | 0 issue "digicert.com; cansignhttpexchanges=yes" | 3600 | — |
| CAA | prometheus.io | 0 issue "letsencrypt.org" | 3600 | — |
| CAA | prometheus.io | 0 issue "pki.goog; cansignhttpexchanges=yes" | 3600 | — |
| CAA | prometheus.io | 0 issue "ssl.com" | 3600 | — |
| CAA | prometheus.io | 0 issuewild "comodoca.com" | 3600 | — |
| CAA | prometheus.io | 0 issuewild "digicert.com; cansignhttpexchanges=yes" | 3600 | — |
| CAA | prometheus.io | 0 issuewild "letsencrypt.org" | 3600 | — |
| CAA | prometheus.io | 0 issuewild "pki.goog; cansignhttpexchanges=yes" | 3600 | — |
| CAA | prometheus.io | 0 issuewild "ssl.com" | 3600 | — |
TLS and certificates
| Assessment | Normal configuration |
|---|---|
| Supported protocols | TLSv1.2、TLSv1.3 |
| Negotiated protocol | TLSv1.3 |
| Certificate subject | prometheus.io |
| Issuer | Google Trust Services |
| Valid until | 2026-10-31T01:46 · Remaining when checked: 57 days |
| Verification details | Certificate trust: Passed · Hostname match: Passed |
HTTP response headers
| Header | Value |
|---|---|
| content-type | text/html; charset=UTF-8 |
| cache-control | public, max-age=14400, must-revalidate |
| server | cloudflare |
| strict-transport-security | max-age=2592000; preload |
| x-content-type-options | nosniff |
Identified technologies
Next.jsCloudflareNetlify
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