Summary
- HTTP status
- 200
- IP address
- 104.18.37.200, 172.64.150.56, 2606:4700:4404::6812:25c8, 2606:4700:4401::ac40:9638
- ASN
- —
- Hosting provider
- Cloudflare, Inc.
- Country
- US
- Title
- Substack
- Description
- The app for independent voices
- Language
- en
- Server
- cloudflare · Express
- Generator
- —
- Certificate
- ValidGoogle Trust Services
- Sitemap
- Present
- Domain name
- substack.com
SSL/TLS certificate
The SSL/TLS certificate encrypts exchanges between visitors and the website (HTTPS) and proves its identity. It is issued by a certificate authority after a more or less thorough check: of the domain name only (DV), of the organization that owns it (OV), or extended validation (EV).
Free certificate issued by Google Trust Services: valid for a few months, it is renewed automatically.
- Certificate authority
- Google Trust Services (WE1)
- Validation type
- Domain validation (DV)
- Status
- Valid
- Covered domains
- substack.com, *.substack.com
- Valid from
- September 19, 2026
- Valid until
- December 18, 2026 (expires in 78 days)
- Protocol
- TLSv1.3
- Key
- ECDSA 256 bits
Sitemap
A sitemap lists the pages of a website to help search engines discover them. It can have any name when it is declared in the robots.txt file.
The robots.txt file declares 2 sitemaps.
| File | Content | Last modified |
|---|---|---|
| https://substack.com/sitemap.xml | Index of 11 sitemaps | — |
| https://substack.com/news_sitemap.xml | No pages | — |
Redirects
The website address does not redirect.
Outgoing links
The home page links to 3 other websites.