Union Pacific
S&P 500 constituent (UNP)
Web presence
Primary domain: up.com.
7 subdomains observed via Certificate Transparency and direct crawl.
200 pages fetched from
www.up.com on 2026-08-27
— 20261 internal links observed, 69511793 bytes.
Page title: “Union Pacific Railroad | Ship Freight Across North America | Union PacificUnion Pacific Logo”
TLS issued by DigiCert Inc, valid 2026-06-30 – 2027-01-14. — HSTS not seen, CSP not seen.
Links out to 138 external domains (from the crawled site, most recent pass), top 50 shown:
aar.com, admin.locationone.com, americanagnetwork.com, americasgreatconnection.com, app.locationone.com, benesch.quickbase.com, bsky.app, c02.my.uprr.com, career4.successfactors.com, city.milwaukee.gov, employees.www.uprr.com, engagement.cep.apps.unionpacific.com, foreignrr.www.uprr.com, forms.office.com, frontierccus.com, guides.library.cornell.edu, info.halo.com, intermodal.org, investor.unionpacific.com, issuu.com, joinhandshake.com, lat-lon.com, loginext.www.uprr.com, lrportauthority.com, madisonparishport.com, nam12.safelinks.protection.outlook.com, performancemanager4.successfactors.com, portcb.com, portlc.com, portofbenton.com, portofkalama.com, portofportarthur.com, portoftacoma.com, portofwoodland.com, ports.com, schneider.com, suppliers.www.uprr.com, support.ariba.com, support.myuprr.com, trainingmag.com, tulsaport.com, twitter.com, unionpacific.iad1.qualtrics.com, unionpacific.my.site.com, up.jobs, uptraintix.org, usveteransmagazine.com, vault.com, vimeo.com, wpc-edi.com — and 88 more
| Hostname | Source | First seen |
|---|---|---|
| www.up.com | manual | 2026-08-27 |
| xxtest.integration.api.up.com | certificate_transparency | 2026-08-24 |
| api-gateway.xxtest.agw.up.com | certificate_transparency | 2026-08-24 |
| sandbox.connect.api.up.com | certificate_transparency | 2026-08-24 |
| xxtest.customer.api.up.com | certificate_transparency | 2026-08-24 |
| sandbox.customer.api.up.com | certificate_transparency | 2026-08-24 |
| xxtest.partner.api.up.com | certificate_transparency | 2026-08-24 |
Related domains
Sister brands, subsidiaries and other domains also traced to this organisation — found among its own site's external links, and independently crawled the same way as the primary domain above. Some turn out bigger than the primary site itself.
| Domain | Status | Pages crawled | External links | Registrar | Nameservers |
|---|---|---|---|---|---|
unionpacific.com |
candidate | — | — | Network Solutions, LLC | eth0.omhqp13d10.uprr.com, eth0.omsdp13d11.uprr.com |
Infrastructure
Hosted on: AS10405 UPRR-ASN-01 - Union Pacific Railroad Company, US (US)
Mail: up-com.mail.protection.outlook.com. SPF present. DMARC policy: quarantine. Nameservers: eth0.omhqp13d10.uprr.com, eth0.omsdp13d11.uprr.com.
Registered via Network Solutions, LLC. Registered 1994-05-12. Expires 2027-05-13.
Digital sovereignty
0/5 — categories confirmed not tied to a US-controlled company, out of DNS, registrar, TLS certificate, host and mail. Ultimate ownership, not the jurisdiction of the specific entity observed: a subsidiary like Google Ireland still counts as American. See the full cross-index comparison.
? DNS · US Registrar · US TLS certificate · ? Primary host · US Inbound mail
Registrar: Network Solutions. TLS certificate: DigiCert, Inc.. Inbound mail: Microsoft 365.
Vendor footprint
Third-party vendors identified from this company's own published DNS —
apex TXT domain-verification tokens and SPF include: mechanisms. See the
full vendor footprint comparison.
Adobe Apple Business Manager Atlassian (Jira / Confluence) Cisco Webex Jamf Microsoft 365 Snowflake
Corporate record
No Companies House match on record — likely incorporated outside the UK.
Public engineering footprint
No public GitHub organisation identified.