smi.usps.com - robtex.com
smi.usps.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | dns141.usps.com ⭐ ⚠️ Not in parent delegation | ||||||
| A | 2610:68:3130:25:6010::25🇺🇸 AS57742610:68::/32 | ||||||
| A | 56.0.141.25🇺🇸 AS577456.0.128.0/19 | ||||||
| PTR | dns141.usps.com | ||||||
| PTR | eagnmnbcexsldns1.usps.com | ||||||
| PTR | dns141.usps.gov | ||||||
| PTR | eagnmnbcexsldns1.usps.gov | ||||||
| NS | dns082.usps.com ⚠️ Not in parent delegation | ||||||
| A | 2610:68:5130:11:1410::25🇺🇸 AS57742610:68:4000::/34 | ||||||
| A | 56.0.82.25🇺🇸 AS577456.0.64.0/19 | ||||||
| PTR | dns082.usps.com | ||||||
| PTR | samtcabcexsldns1.usps.com | ||||||
| PTR | dns082.usps.gov | ||||||
| SOA | dns141.usps.comdomainadmin@imail.usps.gov serial=711472772 | ||||||
usps.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 56.0.134.100🇺🇸 AS577456.0.128.0/19 | ||||||
| NS | dns141.usps.com ⭐ | ||||||
| NS | dns082.usps.com | ||||||
| MX | mxa-0038fd02.gslb.gpphosted.com ⭐ | ||||||
| MX | mxb-0038fd02.gslb.gpphosted.com ⭐ | ||||||
| TXT | 5gnbvs23tq9vmq20zmtgsydzs39qpksb | ||||||
| TXT | wbbcfpqr2lfkgls6hh8gtxrn3y16p7yx | ||||||
| TXT | apple-domain-verification=1mTpTvcYUbpLD2DCGn6S7e8E7GNEuCbLmsnOVoINlXk | ||||||
| TXT | MS=891EBC03C14DB5081F9801A66F922A606978EBD3 | ||||||
| TXT | v=spf1 ip4:56.0.0.0/16 -all | ||||||
| TXT | MS=ms75843013 | ||||||
| TXT | xh9xzqypj83py3z3049hr39d5m75sffn | ||||||
| TXT | U0S4P86940 | ||||||
| TXT | google-site-verification=g8v2m4CGzjzeR7BlXEWdkPw_Vee3KLd5Msu1oxq9X4Y | ||||||
| TXT | m8gzt1kxn0b8hm22m2154p7dgkwrqllc | ||||||
| TXT | t5cmxmtc9bsyn3lnh9cp61w7zl6p9dmh | ||||||
| SOA | dns141.usps.comdomainadmin@imail.usps.gov serial=711473878 | ||||||
rank #965 globally
rank #535 in the tld
This domain name, "usps.com", is owned by the United States Postal Service, the independent agency of the executive branch of the United States federal government responsible for providing postal service in the United States. The domain is primarily used for customer services such as tracking packages, calculating shipping prices, finding post office locations, and buying stamps online.WOT: SAFE (94/100)
📈 Tranco rank: #799
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
| Type | Details | |
|---|---|---|
| IP Address | 56.0.134.100 | |
| AS Number | AS5774 (USPS-AS) | |
| Nameservers | dns141.usps.com, dns082.usps.com (self-hosted on 56.0.0.0/8) | |
| Proofpoint-hosted (mxa/mxb-0038fd02.gslb.gpphosted.com) | ||
| DNSSEC | Not signed | |
| SPF | Strict (-all) limiting to 56.0.0.0/16 |
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.
Subdomains
smua2.smi.usps.com |
trkcnfrm1.smi.usps.com |
origin-stage-trkcnfrm1.smi.usps.com |
Same first word
Similar names
DNS History
2 records (2 active, 0 former)
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | i.gtld-servers.net, j.gtld-servers.net, m.gtld-servers.net, f.gtld-servers.net... | - |
| usps.com | dns141.usps.com, dns082.usps.com | 2 records |
✅ Authoritative Response
Server:56.0.82.25
NS records: dns141.usps.com, dns082.usps.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for usps.com (unsigned zone)
⏱️ Timing
Total: 430ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | dns082.usps.com, dns141.usps.com |
| SOA | 1 | dns141.usps.com domainadmin.imail.usps.g |
📌 Glue Records Collected
Total: 2
In-bailiwick: 2 (dns141.usps.com, dns082.usps.com)
Analysis
Hierarchy
smi.usps.com is the parent of smua2.smi.usps.com, trkcnfrm1.smi.usps.com and origin-stage-trkcnfrm1.smi.usps.com.
Name Servers
smi.usps.com is delegated to two name servers dns082.usps.com and dns141.usps.com.
smi.usps.com shares the same name server setup as other domains, for instance uspsshippingassistant.com, uspsdeliveryconfirmation.com, uspswebtools.com, uspsjob.com and vtpostoffice.com.
smi.usps.com at least partially shares name servers with other domains, for instance 204.56.in-addr.arpa, 78.56.in-addr.arpa, 253.56.in-addr.arpa, 0.56.in-addr.arpa and 77.56.in-addr.arpa.
these name servers are commonly used alongside eagnmnmsx.usps.gov.
Host names with two IP numbers:
The host name dns082.usps.com points to 2610:68:5130:11:1410::25 and 56.0.82.25; the host name dns141.usps.com points to 2610:68:3130:25:6010::25 and 56.0.141.25.