What powers esper.net?
Last seen Jul 2026 · 4 technologies across 4 categories
Analytics
Google Analytics
since Jul 2023
Sendgrid
since Aug 2022
Security
HSTS
since Sep 2022
Web servers
Apache HTTP Server
since Jul 2023
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Open Page Rank
3.65 / 10 · ranked #786,341 of all domains
71 referring domains · OpenPageRank
Page
- Weight: 0.0 MB · 5 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on GRIDFURY-AS (208.94.117.115)
- Email: no MX record returned
- Email security: SPF (hard fail), DMARC monitor only
- SSL: Let's Encrypt, ECDSA P384, expires Oct 2026
- Common Crawl link graph: rank 550,936, 8 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| webchat.esper.net | 3 |
| www.esper.net | 3 |