What powers 
uprr.com?
Last seen Oct 2026 · 18 technologies across 9 categories
Ecommerce
Cart Functionality
since Nov 2021
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
Oracle Dynamic Monitoring Service
since Jun 2018
Mobile frameworks
Programming languages
Java
since Jun 2018
Security
HSTS
since Mar 2024
Web frameworks
Java Servlet
since Jun 2018
Web servers
Apache HTTP Server
since May 2017
Oracle WebLogic Server
since Mar 2023
Webmail
Apple iCloud Mail
since Jan 2023
Microsoft 365
since Aug 2022
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Nov 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 88% phone
- 12% desktop
United States
Mexico
India
Philippines
Colombia
Canada
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.69 / 10 · ranked #337,410 of all domains
167 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3 s |
| INP | 250 ms |
| CLS | 0.2 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English
- Weight: 1.2 MB · 36 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Registered May 1994 (32 years) via Network Solutions, LLC, renews May 2028
- Hosted on UPRR-ASN-01 - Union Pacific Railroad Company (69.58.254.153)
- DNS: uprr.com
- Email: no MX record returned
- Email security: SPF (hard fail), DMARC reject
- SSL: DigiCert, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 550,591, 21 hosts
DNS records as swept Nov 2026, certificate as seen Nov 2026, registration from the registry's RDAP service. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| cms.www.uprr.com | 14 |
| www.uprr.com | 14 |
| retirees.www.uprr.com | 13 |
| suppliers.www.uprr.com | 8 |
| jobs.www.uprr.com | 6 |
| c02.my.uprr.com | 2 |
| employees.mobile.uprr.com | 2 |
| foreignrr.www.uprr.com | 2 |
| sapext.www.uprr.com | 2 |
| sapretireesq.www.uprr.com | 2 |
| cad.www.uprr.com | 1 |
| e.uprr.com | 1 |
| employees.www.uprr.com | 1 |
| loginext.www.uprr.com | 1 |
| sapeccext.www.uprr.com | 1 |
| tableau.www.uprr.com | 1 |
| updrop.upcorp.ad.uprr.com | 1 |