When was bigbrain.holdings built?
Analyzed 9 November 2026. Re-analyze
Estimated launch
September 2021
Several independent sources agree on this date.
BuiltWhen verified that bigbrain.holdings launched in September 2021 (76% confidence), with domain registration recorded in December 2020.
- Website age
- ~5 years
- From estimated launch
- Domain registered
- December 2020
- Not the launch date
- First evidence
- September 2021
- Internet Archive (Wayback Machine)
- Current version
- Between June and July 2026
- Possible major redesign
History at a glance
The domain and the website have separate lives. Website age is measured from the launch, not from registration.
Timeline
December 2020
Domain registered
The domain was registered. This is not the same as the website launching.
Confirmed
March–September 2021
Between September 2021 and January 2022
Between January and April 2023
Between June and July 2026
November 2026
Built with today
Detected on the live homepage. Select a technology to see the evidence.
- Web server
Nginx, 90% confidence. Show evidence.
- Server header is nginx
- 90% detection confidence
- Language
PHP, 90% confidence. Show evidence.
- X-Powered-By header names PHP
- 90% detection confidence
Why we think it launched in 20215 pieces of evidence, each linked to its source
- First archived copy of the website: September 2021.
- Domain registered: December 2020 (9 months earlier).
- Oldest page date in the sitemap: January 2023 — consistent with the estimate.
December 2020
Domain registered
The domain's current registration began on this date. A website can only launch after this, but often launches much later.
Sets the earliest possible dateRDAP registry dataView source
September 2021
First archived copy of the website
The earliest successful snapshot of the homepage showing real website content in the Internet Archive.
The estimate is based on thisInternet Archive (Wayback Machine)View source
September 2021
jQuery first seen
jQuery appears in archived copies of the site from this date.
Background onlyInternet Archive (Wayback Machine)
January 2022
Google Analytics first seen
Google Analytics appears in archived copies of the site from this date.
Background onlyInternet Archive (Wayback Machine)
January 2023
Oldest page date in the sitemap
The oldest "last modified" date among 7 sitemap entries.
Agrees with the estimateXML sitemapView source
What we checked
- Domain registry (RDAP)Checked
- Internet Archive indexChecked
- Live websiteChecked
- Archived page comparisonChecked
55 months of archived homepage copies; 14 compared in detail (sampling was cut short). BuiltWhen estimates from observable evidence and can be wrong. How estimates work
Domain registrationRegistered December 2020 · INWX GmbH
- Registered
- 16 December 2020
- Registration expires
- 16 December 2026
- Registry record updated
- 11 August 2026
- Registrar
- INWX GmbH
- Nameservers
- lara.ns.cloudflare.com, arvind.ns.cloudflare.com
Public registry data via RDAP. Registrant details are never collected.