When was substack.com registered?
substack.com
Public RDAP record, last read 16 Oct 2026, 14:21 UTC.
- Domain
- substack.com
- Domain age
- 16 years, 5 months, 20 days
- Days since registry creation
- 6,017
- Registered
- Expires
- Last changed
- Registrar
- Amazon Registrar, Inc.
- DNSSEC
- Not signed
- Nameservers
- ali.ns.cloudflare.com
lee.ns.cloudflare.com
New lookup
A bare domain, a subdomain or a full web address all work.
The age shown is that of the current registration. When a domain lapses and someone registers it again, its age starts again too.
Domain age plays no part in how listings are ordered on Startup Biz Today.