delegate-proxy1.usps.com - dns.ninja

delegate-proxy1.usps.com

usps.com

usps.com

usps.comis the official website of the United States Postal Service (USPS), an independent agency of the U.S. federal government responsible for postal delivery across the United States and its territories.

Key facts

• Owner / operator: United States Postal Service (USPS)
• TLD:.com— gTLD
• Primary purpose: Official public-facing portal for postal services — package tracking, mail delivery, postage purchasing, and business services
• Status: Active

Notable subdomains or services

• tools.usps.com— ZIP code lookup, service standards, and shipping tools
• informeddelivery.usps.com— Informed Delivery service (daily email digest of incoming mail images)
• postcalc.usps.com— postage price calculator
• about.usps.com— corporate/newsroom information

Related domains

• usps.gov— redirects tousps.com; USPS uses.comrather than.govbecause it operates as a self-funding independent agency, not a traditional government department
• postalinspectors.uspis.gov— U.S. Postal Inspection Service (law-enforcement arm, separate domain)

United States Postal Service

usps.com is the official website of the United States Postal Service (USPS), an independent agency of the U.S. federal government and one of the world's largest postal organizations. Operating continuously since 1775, USPS delivers mail and packages to over 160 million addresses across the United States and its territories.

Services

• Mail Services: First-Class Mail, Priority Mail, Priority Mail Express, USPS Ground Advantage
• Digital Tools: Click-N-Ship label printing, Informed Delivery (digital mail previews), package tracking
• Retail Products: Stamps, PO Box rentals, money orders, passport services
• Business Solutions: Bulk mailing, commercial shipping rates, pickup scheduling

Technical Infrastructure

USPS operates its own IP allocation (56.0.0.0/8, one of the few Class A blocks held by government entities) and self-hosts its authoritative DNS infrastructure, while outsourcing email security to Proofpoint.

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