substack.com
substack.com is ranked #440 in the Tranco list of the world's most popular websites (list of Oct 13, 2026), up 12 places in four weeks. The domain was registered on Apr 27, 2010, 16 years, 5 months ago, through Amazon Registrar, Inc., and is paid up until Apr 27, 2030. It is served through Cloudflare.
Popularity rank
#440 of the top 1 million sites in the Tranco research ranking, which averages several traffic and DNS sources over 30 days. Best rank in the period shown: #438.
Domain registration
- Registered
- Apr 27, 2010 (16 years, 5 months ago)
- Expires
- Apr 27, 2030
- Registrar
- Amazon Registrar, Inc.
- Name servers
ali.ns.cloudflare.com,lee.ns.cloudflare.com- DNSSEC
- Not signed
From the registry's public RDAP record, checked Oct 1, 2026.
Technology stack
Detected from the homepage HTML and response headers on Oct 14, 2026. Tools loaded only after scripts run (or after consent banners) may be missing.
Sites ranked near substack.com
| Rank | Website | Registered |
|---|---|---|
| #435 | launchdarkly.com | 2014 |
| #436 | supercell.com | 1999 |
| #437 | intel.com | 1986 |
| #438 | paloaltonetworks.com | 2005 |
| #439 | huawei.com | 2000 |
| #441 | vercel-dns-016.com | 2025 |
| #442 | rocket-cdn.com | 2020 |
| #443 | dotaplabs.net | 2021 |
| #444 | kaspersky-labs.com | 1999 |
| #445 | cloudflareinsights.com | 2019 |
Questions about substack.com
How popular is substack.com?
substack.com is #440 worldwide in the Tranco list published Oct 13, 2026.
How old is substack.com?
substack.com was registered on Apr 27, 2010, which makes the domain 16 years, 5 months old.
What is substack.com built with?
We detected Cloudflare on its homepage.
Who is the registrar of substack.com?
Amazon Registrar, Inc., according to the registry's RDAP record.