What powers 
c21nm.com?
Last seen Sep 2026 · 53 technologies across 26 categories
Advertising
Analytics
Caching
CDN
CMS
Cookie compliance
Databases
Font scripts
JavaScript frameworks
JavaScript libraries
Live chat
Maps
Miscellaneous
PaaS
Page builders
Programming languages
Security
Tag managers
UI frameworks
Video players
Web frameworks
Web servers
Webmail
Widgets
WordPress plugins
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 found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Standards: llms.txt
Audience
- 59% phone
- 41% desktop
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.66 / 10 · ranked #781,076 of all domains
55 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3.6 s |
| INP | 100 ms |
| CLS | 0.3 |
| TTFB | 2000 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English (United States)
- Weight: 17.0 MB · 178 requests
- WordPress theme: divi (child: divi-child-theme) · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
From the homepage's own structured data (Sep 2026).
Infrastructure
- Hosted on PRIVATESYSTEMS (170.249.211.110)
- DNS: domainmonger.com
- Email: Microsoft 365
- Email security: no SPF record, DMARC quarantine, MTA-STS, BIMI
- SSL: Sectigo, RSA 2048, wildcard, expires Feb 2027
- Common Crawl link graph: rank 7,643,112, 44 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.c21nm.com | 40 |
| tour.c21nm.com | 15 |
| connect.c21nm.com | 10 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Twitter Emoji (Twemoji) Apr 2026
- dropped Google Tag Manager for WordPress Feb 2026