flintlib.org website report
Flintlib was registered 19 years 6 months ago, is ranked #750,916 worldwide (top 22%), has an estimated value of $2,098. It may earn around $239 per month from advertising.
English
Last updated
GermanyKey facts about flintlib.org
- Domain
- flintlib.org
- Website name
- FLINT: Fast Library for Number Theory
- Estimated worth
- $2,098
- Global rank
- #750,916 (top 22% of 3.4M ranked sites)
- Monthly visitors (est.)
- 2,508 · 125K page views
- Registered
- April 22, 2007 (19 years 6 months ago)
- Expires
- April 22, 2027
- Registrar
- Gandi SAS
- Server location
Germany- Network
- Leaseweb Germany GmbH AS16265
- Email provider
- Self-hosted / other (mx1.de.opalstack.com)
- Language
- English
- Data updated
Estimated traffic & revenue
| Page views | Visitors | Ad revenue | |
|---|---|---|---|
| Daily | 4,181 | 84 | $8 |
| Monthly | 125,417 | 2,508 | $239 |
| Yearly | 1,505,004 | 30,096 | $2,868 |
Modelled from the global rank — not measured analytics. Use them to compare sites, not as exact figures.
Global rank history
Monthly values
| Month | Global rank |
|---|---|
| 2026-07 | #965,685 |
| 2026-08 | #920,709 |
| 2026-10 | #750,916 |
Source: Rankeez (Tranco, Majestic, DomCop, Cisco Umbrella).
How we estimate flintlib.org's value
The estimate is the higher of two independent approaches, both computed automatically from public data.
- Traffic value: $2,098Driven by the global rank #750,916 (≈125K page views / month) plus a capped age bonus.
- Activity value: $800Domain age plus observable signs of an active, professionally run website.
Activity signals found
| Domain age (19 years 6 months) | $318 |
| Active website with metadata | +$150 |
| Substantial homepage content | +$150 |
| Email authentication (SPF) | +$50 |
| Security headers (44/100) | +$132 |
Revenue, sales or private analytics are not public and are not included. This is not an appraisal or a sale price.
On-page SEO
| Title | FLINT: Fast Library for Number Theory 37 chars |
|---|---|
| Meta description | Missing |
| Meta keywords | None |
| Language | English |
| Response time | 0.5 s Fast |
Homepage structure
Exactly one H1 heading — good practice.
Technology & infrastructure
| CDN / proxy | None detected |
|---|---|
| Web server | nginx |
| Platform / language | Not disclosed |
| DNS provider | Unknown |
| Email provider | Self-hosted / other (mx1.de.opalstack.com) |
| SPF record | v=spf1 include:spf.opalstack.com ~all |
| IPv6 (AAAA) | No |
| CAA record | No |
Services verified in DNS
No third-party verification records found.
Domain name
| Extension | .org — a generic extension popular with non-profits and communities |
|---|---|
| Name length | 8 characters Medium |
| Hyphens / digits | No hyphen · no digits |
Security headers
Homepage answered HTTP 200 at https://flintlib.org/ · checked Oct 23, 2026
- HTTPSThe homepage is served over an encrypted HTTPS connection.
- HTTP → HTTPS redirectVisitors typing http:// are redirected to the secure version.
- Strict-Transport-Security (HSTS)Not set: browsers may still try plain HTTP first.
- Content-Security-PolicyNot set: no restriction on which scripts may run.
- Clickjacking protectionNeither X-Frame-Options nor CSP frame-ancestors is set.
- X-Content-Type-OptionsNot set to nosniff.
- Referrer-PolicyNot set (browsers default to strict-origin-when-cross-origin).
- Permissions-PolicyNot set: browser features are not explicitly restricted.
- Software version disclosureNo software version numbers disclosed in headers.
Raw HTTP response headers
HTTP/2 200 server: nginx date: Fri, 23 Oct 2026 19:02:02 GMT content-type: text/html content-length: 8959 last-modified: Mon, 29 Jun 2026 08:34:35 GMT etag: "6a422e1b-22ff" accept-ranges: bytes
Hosting
| IP address | 78.159.99.205 |
|---|---|
| Location | Germany |
| Network (ISP) | Leaseweb Germany GmbH |
| Autonomous system | AS16265 LeaseWeb B.V. |
| Server software | nginx |
Nameservers
| Host | IP | Country |
|---|---|---|
| ns1.de.opalstack.com | 139.162.174.250 | Germany |
| ns2.de.opalstack.com | 139.162.223.59 |  United Kingdom |
| ns3.de.opalstack.com | 139.162.190.189 | Germany |
Domain registration (WHOIS)
| Registrar | Gandi SAS |
|---|---|
| Created | April 22, 2007 19 years 6 months ago |
| Updated | August 12, 2026 |
| Expires | April 22, 2027 in 172 days |
| Status | clientTransferProhibited |
Raw WHOIS record
Domain Name: flintlib.org Registry Domain ID: REDACTED Registrar WHOIS Server: http://whois.gandi.net Registrar URL: http://www.gandi.net Updated Date: 2026-08-12T02:40:07Z Creation Date: 2007-04-22T01:51:17Z Registry Expiry Date: 2027-04-22T01:51:17Z Registrar: Gandi SAS Registrar IANA ID: 81 Registrar Abuse Contact Email: [email protected] Registrar Abuse Contact Phone: +33.170377661 Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited Name Server: ns1.de.opalstack.com Name Server: ns2.de.opalstack.com Name Server: ns3.de.opalstack.com DNSSEC: unsigned URL of the ICANN Whois Inaccuracy Complaint Form: https://icann.org/wicf/ >>> Last update of WHOIS database: 2026-10-23T19:02:02Z <<< For more information on Whois status codes, please visit https://icann.org/epp Terms of Use: Access to Public Interest Registry WHOIS information is provided to assist persons in determining the contents of a domain name registration record in the Public Interest Registry registry database. The data in this record is provided by Public Interest Registry for informational purposes only, and Public Interest Registry does not guarantee its accuracy. This service is intended only for query-based access. You agree that you will use this data only for lawful purposes and that, under no circumstances will you use this data to (a) allow, enable, or otherwise support the transmission by e-mail, telephone, or facsimile of mass unsolicited, commercial advertising or solicitations to entities other than the data recipient's own existing customers; or (b) enable high volume, automated, electronic processes that send queries or data to the systems of Registry Operator, a Registrar, or Identity Digital except as reasonably necessary to register domain names or modify existing registrations. All rights reserved. Public Interest Registry reserves the right to modify these terms at any time. By submitting this query, you agree to abide by this policy. The Registrar of Record identified in this output may have an RDDS service that can be queried for additional information on how to contact the Registrant, Admin, or Tech contact of the queried domain name.
DNS records
| Type | Host | Value | TTL |
|---|---|---|---|
| A | flintlib.org | ip: 78.159.99.205 | 3598 |
| NS | flintlib.org | target: ns3.de.opalstack.com | 3599 |
| NS | flintlib.org | target: ns2.de.opalstack.com | 3599 |
| NS | flintlib.org | target: ns1.de.opalstack.com | 3599 |
| SOA | flintlib.org | mname: ns1.de.opalstack.com rname: hostmaster.flintlib.org serial: 2026081406 refresh: 10800 retry: 3600 expire: 1814400 minimum-ttl: 3600 | 3600 |
| MX | flintlib.org | pri: 10 target: mx1.de.opalstack.com | 3600 |
| MX | flintlib.org | pri: 10 target: mx2.de.opalstack.com | 3600 |
| TXT | flintlib.org | txt: v=spf1 include:spf.opalstack.com ~all | 3600 |
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flintlib.org compared with similar websites
| Website | Global rank | Est. worth | Registered | Hosted in |
|---|---|---|---|---|
| flintlib.org | #750,916 | $2,098 | 2007 | Germany |
| numbertheory.org | #683,941 | $2,391 | 1999 |  United States |
| n-cube.net | #4,862,535 | $364 | 2015 | United States |
| drivingtheory4all.co.uk | #945,134 | $1,750 | 1996 | United Kingdom |
| fpl.info | #7,898,710 | $161 | — | United States |
| mathreference.com | #1,158,167 | $1,443 | 2002 | United States |
| jgrapht.org | #222,293 | $7,994 | 2005 | United States |
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Questions about flintlib.org
When was flintlib.org registered?
Flintlib.org was registered on April 22, 2007, making it 19 years 6 months old.
Who is the domain registrar for flintlib.org?
Flintlib.org is registered through Gandi SAS.
Where is flintlib.org hosted?
Flintlib.org's server (IP 78.159.99.205) is located in Germany.
How much is flintlib.org worth?
We estimate flintlib.org is worth $2,098. This is an automated estimate based on the site's global traffic rank, domain age and observable activity signals (professional email, business services, security, CDN) — not a professional appraisal or a real sale price.
How much traffic does flintlib.org get?
Based on its rank, flintlib.org receives roughly 2,508 unique visitors and 125K page views per month. These figures are modelled from the rank, not measured.
What is flintlib.org's global rank?
Flintlib.org has an estimated global rank of 750,916, sourced from Rankeez.com, which aggregates the Tranco, Majestic, DomCop and Cisco Umbrella rankings. Its rank has improved over the tracked period. This is an independent estimate, not affiliated with Amazon Alexa, which discontinued its own ranking service in 2022.
Who hosts flintlib.org?
Flintlib.org resolves to 78.159.99.205, on the network of Leaseweb Germany GmbH (AS16265).
What email provider does flintlib.org use?
According to its MX records, flintlib.org receives email with Self-hosted / other (mx1.de.opalstack.com). It publishes an SPF record to authenticate its outgoing mail.
When does flintlib.org expire?
The domain registration of flintlib.org is valid until April 22, 2027 (in 172 days), at Gandi SAS. Owners usually renew before that date.
What websites are similar to flintlib.org?
Popular websites in the same category as flintlib.org include numbertheory.org, n-cube.net, drivingtheory4all.co.uk, fpl.info, mathreference.com.
Own flintlib.org? Add the badge
Shows your live global rank. To cite this report: “StatMemory, flintlib.org website report, https://statmemory.com/flintlib.org”.
StatMemory is not affiliated with flintlib.org. This report shows publicly available data (DNS, WHOIS, HTTP headers, public top-site lists) and automated estimates for information purposes.