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Gridlode
Rank #2,184Updated November 10, 2026

us.org

.US.ORG | The Open Domain for Purpose-Driven U.S. Organizations

us.org is registered with Key-Systems GmbH since April 23, 1995 (31.5 years). The registration expires on April 24, 2030. The site runs on jQuery, Modernizr, Underscore.js and 2 other technologies. Its email security grade is B. Its SSL certificate is issued by Let's Encrypt and is valid for 42 more days.

Domain age
31.5 yrs
Technologies
5
Email security
B
SSL days left
42

Registration

RegistrarKey-Systems GmbH
IANA ID269
RegisteredApril 23, 1995
ExpiresApril 24, 2030
UpdatedAugust 12, 2026
Statusclient delete prohibited, client transfer prohibited, client update prohibited
Name serversns1.centralnic.net, ns2.centralnic.net, ns3.centralnic.net, ns4.centralnic.net
DNSSECSigned

DNS records

TypeValueTTL
A54.153.56.1833118
MX 03600
MXaspmx.l.google.com 103600
MXalt1.aspmx.l.google.com 203600
MXalt2.aspmx.l.google.com 203600
MXaspmx2.googlemail.com 303600
MXaspmx3.googlemail.com 303600
MXaspmx4.googlemail.com 303600
MXaspmx5.googlemail.com 303600
NSns1.centralnic.net3600
NSns2.centralnic.net3600
NSns3.centralnic.net3600
NSns4.centralnic.net3600
TXTv=spf1 -all3600

Technology stack

Web server

Analytics and advertising IDs

google_tag_manager:GTM-WHPDQJT

SSL certificate

ValidValid
IssuerUS, YR2, Let's Encrypt
ExpiresDecember 22, 2026
Days remaining42
ProtocolTLSv1.3
Namesus.org, www.us.org

Email security

BScore 81/100 across SPF, DMARC, DKIM, MTA-STS and BIMI.
  • warnDMARC has no rua= address, so you receive no reports about mail sent as your domain.
  • warnNo MTA-STS: mail sent to you can be downgraded to an unencrypted connection.
  • warnNo TLS-RPT record, so you won't hear about failed encrypted deliveries.
  • goodSPF record found.
  • goodSPF ends with -all: servers you have not listed are rejected (hard fail).
  • goodDMARC policy is reject: mail that fails authentication is blocked.
  • goodSPF says this domain sends no email, so DKIM signing is not needed.
  • good8 MX record(s) found. Mail is handled by Google Workspace.

Homepage metadata

Title.US.ORG | The Open Domain for Purpose-Driven U.S. Organizations
DescriptionServe your community with .US.ORG—an unrestricted domain that combines .ORG trust with American relevance. Ideal for any U.S.-focused mission. Secure yours today!
Languageen
Canonicalhttps://us.org
IndexableYes
Word count636

About us.org

Who is the registrar of us.org?

us.org is registered with Key-Systems GmbH (IANA ID 269).

When does us.org expire?

The current registration of us.org expires on April 24, 2030. It was first registered on April 23, 1995.

What technology does us.org use?

We detected 5 technologies on us.org, including jQuery, Modernizr, Underscore.js, Google Tag Manager, Nginx.

Does us.org protect its email with SPF and DMARC?

us.org scores 81/100 (grade B) for email security. DMARC has no rua= address, so you receive no reports about mail sent as your domain. No MTA-STS: mail sent to you can be downgraded to an unencrypted connection.

What are the name servers of us.org?

us.org uses ns1.centralnic.net, ns2.centralnic.net, ns3.centralnic.net, ns4.centralnic.net.