Registered 29 years ago, on no blocklists we checked, valid HTTPS, the site answered 200 in 255 ms.
Rule-based: domain age, blocklists, TLS. A heuristic, not a guarantee.

| A | 56.0.134.100 |
|---|---|
| MX | 10 mxa-0038fd02.gslb.gpphosted.com 10 mxb-0038fd02.gslb.gpphosted.com |
| NS | n2-a28.aka-ns.net n2-a1.aka-ns.net n2-a13.aka-ns.net n2-a22.aka-ns.net n2-a9.aka-ns.net n2-a8.aka-ns.net |
| TXT | m8gzt1kxn0b8hm22m2154p7dgkwrqllc t5cmxmtc9bsyn3lnh9cp61w7zl6p9dmh 5gnbvs23tq9vmq20zmtgsydzs39qpksb MS=ms75843013 apple-domain-verification=1mTpTvcYUbpLD2DCGn6S7e8E7GNEuCbLmsnOVoINlXk wbbcfpqr2lfkgls6hh8gtxrn3y16p7yx google-site-verification=g8v2m4CGzjzeR7BlXEWdkPw_Vee3KLd5Msu1oxq9X4Y U0S4P86940 xh9xzqypj83py3z3049hr39d5m75sffn v=spf1 ip4:56.0.0.0/16 -all MS=891EBC03C14DB5081F9801A66F922A606978EBD3 |
| registrar | Network Solutions, LLC |
|---|---|
| registered | 1997-07-10 |
| expires | 2027-07-09 |
| last changed | 2026-09-18 |
| nameservers | n2-a1.aka-ns.net n2-a13.aka-ns.net n2-a22.aka-ns.net n2-a28.aka-ns.net n2-a8.aka-ns.net n2-a9.aka-ns.net |
| status | client transfer prohibited |
| valid | yes |
|---|---|
| issuer | Sectigo Limited |
| covers | usps.com, *.usps.com |
| protocol | TLSv1.2 |
Domain is not signed with DNSSEC
| SPF | pass v=spf1 ip4:56.0.0.0/16 -all |
|---|---|
| DMARC | pass policy reject |
| DKIM | none of 1 common selectors |
Whether mail claiming to be from this domain can be checked as genuine.
Green: clean. Red: listed. Grey: the list did not answer.
Agents get this as data. Bought through the API, the checks behind this page cost $0.070: profile $0.025 + trust $0.020 + screenshot $0.020 + site status $0.005.
MCP: add https://how.is/mcp to Claude, Codex or Cursor
(one-line install) and ask for domain_trust on usps.com.
Reference: /llms.txt.
Watch usps.com. DNS read at the source every 5 minutes; certificate, blocklists and expiry every 6 hours. You get an email only when something changes.
Watch — $1 / 30 days