Summary
- HTTP status
- 200
- IP address
- 45.79.81.153, 173.255.221.194
- ASN
- —
- Hosting provider
- Akamai Technologies, Inc.
- Country
- US
- Title
- Groups.io | Email Discussion Groups & Listserv Alternative
- Description
- Groups.io is a modern email group service and listserv alternative with no ads. Create mailing lists with calendars, files, wikis, and more. Better than Google Groups or Yahoo Groups.
- Language
- en-US
- Server
- nginx
- Generator
- —
- Certificate
- ValidLet's Encrypt
- Sitemap
- Present
- Domain name
- groups.io
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 Let's Encrypt: valid for a few months, it is renewed automatically.
- Certificate authority
- Let's Encrypt (YR2)
- Validation type
- Domain validation (DV)
- Status
- Valid
- Covered domains
- groups.io
- Valid from
- August 10, 2026
- Valid until
- November 8, 2026 (expires in 38 days)
- Protocol
- TLSv1.3
- Key
- RSA 2048 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 60 sitemaps.
| File | Content | Last modified |
|---|---|---|
| https://groups.io/sitemap-general.xml | 11 pages | July 30, 2026 |
| https://groups.io/sitemap-index0.xml | Index of 100 sitemaps | — |
| https://groups.io/sitemap-index1.xml | Index of 100 sitemaps | — |
| https://groups.io/sitemap-index2.xml | Index of 100 sitemaps | — |
| https://groups.io/sitemap-index3.xml | Index of 100 sitemaps | — |
55 other declared sitemaps were not checked.
Redirects
The website address does not redirect.
Outgoing links
The home page links to 3 other websites.