What powers 
zixcorp.com?
Last seen Oct 2026 · 41 technologies across 20 categories
A/B Testing
Analytics
CDN
CMS
Cookie compliance
Font scripts
JavaScript Frameworks
JavaScript Libraries
Live chat
Miscellaneous
Operating Systems
Programming languages
Security
Tag managers
UI frameworks
Web Frameworks
Web server extensions
Web Servers
Webmail
Widgets
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 Nov 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 100% desktop
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.33 / 10 · ranked #429,135 of all domains
96 referring domains · OpenPageRank
Core Web Vitals
| LCP | 5.8 s |
| CLS | 0 |
| TTFB | 4900 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English
- Weight: 0.3 MB · 92 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Zix Corp
- Founded: 1988
From Wikidata (CC0).
Infrastructure
- Registered Mar 1999 (27 years) via SafeNames Ltd., renews Mar 2027
- Hosted on ASN-CUST (199.30.234.249)
- DNS: zixcorp.com
- Email: arsmtp.com
- Email security: SPF (hard fail), DMARC reject, BIMI
- SSL: Entrust, RSA 2048, expires Jan 2027
- Common Crawl link graph: rank 2,358,701, 10 hosts
- Verified with: Apple Business, Google, KnowBe4, Microsoft 365
DNS records as swept Oct 2026, certificate as seen Oct 2026, registration from the registry's RDAP service. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| go.zixcorp.com | 26 |
| investor.zixcorp.com | 13 |
| userawareness.zixcorp.com | 12 |
| www.zixcorp.com | 10 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped Polyfill Aug 2026