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Total

DNS

Email

Security

Network

100

Availability

Domainus.org

IPv41

IPv60

MX records8

StatusActive

Domain technical report

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

us.org

Serve 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!

Generated: 2026-08-08T20:38:10-05:00 · Cached result

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IPv41

IPv60

MX8

NS4

DiagnosticsMain findings and recommendations

✓

IPv4 (A)30 / 30 pts · Dns

1 IPv4 address(es) detected.

IPv6 (AAAA)0 / 10 pts · Dns

0 IPv6 address(es) detected.

✓

Name server redundancy20 / 20 pts · Dns

4 NS record(s); 2 or more required.

✓

SOA record10 / 10 pts · Dns

Authoritative zone record.

✓

DNSSEC chain15 / 15 pts · Dns

DS and DNSKEY detected.

CAA policy0 / 5 pts · Dns

Certificate authority restriction.

✓

DNS propagation10 / 10 pts · Dns

Agreement between public resolvers.

✓

MX records20 / 20 pts · Mail

8 MX record(s).

✓

SPF25 / 25 pts · Mail

SPF policy published.

✓

DMARC25 / 25 pts · Mail

DMARC policy published.

DKIM0 / 20 pts · Mail

No tested DKIM selector responded.

MTA-STS0 / 5 pts · Mail

Mail transport policy.

TLS-RPT0 / 5 pts · Mail

TLS reporting policy.

✓

Valid TLS certificate55 / 55 pts · Security

75 day(s) remaining.

✓

Certificate lifetime10 / 10 pts · Security

Full points require at least 30 days remaining.

HTTP security headers0 / 35 pts · Security

0 of 9 evaluated headers detected.

✓

PTR reverse DNS30 / 30 pts · Network

PTR: ec2-54-153-56-183.us-west-1.compute.amazonaws.com

IPv4 diversity20 / 35 pts · Network

Two or more IPv4 addresses receive full points.

IPv6 connectivity0 / 35 pts · Network

AAAA availability.

✓

DNS resolution40 / 40 pts · Availability

At least one address family must resolve.

✓

HTTP response40 / 40 pts · Availability

HTTP/1.1 200 OK

✓

HTTPS final URL20 / 20 pts · Availability

Final URL uses HTTPS.

DNS and emailPublished records and email configuration

A

1 record(s)

54.153.56.183

AAAA

0 record(s)

—

Not configured

CNAME

0 record(s)

—

Not configured

MX

8 record(s)

20 alt1.aspmx.l.google.com.
10 aspmx.l.google.com.
30 aspmx4.googlemail.com.
0 .
20 alt2.aspmx.l.google.com.
30 aspmx2.googlemail.com.
30 aspmx3.googlemail.com.
30 aspmx5.googlemail.com.

TXT

1 record(s)

"v=spf1 -all"

NS

4 record(s)

ns1.centralnic.net.
ns2.centralnic.net.
ns4.centralnic.net.
ns3.centralnic.net.

SOA

1 record(s)

ns0.centralnic.net. hostmaster.centralnic.net. 174456 900 1800 6048000 3600

CAA

0 record(s)

—

Not configured

DS

2 record(s)

57150 7 2 38D3113ADB43833A707AFFF83915EE2F85632AC7B6DA64F23D107517 5403E054
25401 7 2 B42EB5C026063EBD5851934C78620DA1E8B4E80CFD2F6956CAB7C51F 158A6599

DNSKEY

2 record(s)

257 3 7 AwEAAcMVdChbTC+6H/q3DlXXOETGTnvj6gvCx/8Up/NZss+A7QVFQskC bErWluVWLUDTh9k9ax+HQU899I86K8X8XhJksrtz+/X36/JDy2KBcMMa BWaOQvF1R3Tjry1a23pUC7sZ2ED/R9Y9TFtHZVCuV91igZImMt+soi8V NelcNsbERNOFU18Q65QjZ7CbJ8Up/3xOErJaZVbeUs6MKJ88GoBC8/AH GQmL1DI1AHFry3pYa1Vcbx1m3ivwGG425guNJuIdWPaL3IbyOpnvuZq/ YGEoATxx8uZSAb5KFcKh7hk4Tm6/1EOhAxQ3D9YMrbPWcHVv2KybIjQq J7Jzm6+yK1c=
256 3 7 AwEAAcIolBhdRHanaiSZuxUVLHlvIftj6Kv5fR5OBM9lUK3e1Jj29Ez4 F5Ruq4ovcUX6boSTgO96q4jU8ZF1O9PlNWVxGXMK5jHlToHo7cVsG1ei zl5L88coZRaVeUNlI7uh3BhewEVan8nG5lWpMC3+98TVaCbQt+BsVSYg KZGrEcxZ

RRSIG

3 record(s)

A 7 2 3600 20260822101511 20260723084511 26973 us.org. RJCj2YqYU4mN3MU5W9qgtt1uYFhRtCcU31q8TojaqehoKWv2jc3F79Hb uLtjajLHX5Dzs80o6vP+L9YS1CtJkayoakjvPPAb9Cht/KsunH7PZMdB i3LEjaZ9NPpz8zaKNu7Bdouv7jrTM0f35ouZNYciiceyn35G19VY26KK wS8=
DNSKEY 7 2 3600 20260822101511 20260723084511 25401 us.org. I9oO0cMMNKXCbTjiDt/Q4qVlnaW4PEYSn0uSxQnNLXIVBqfb6VjPyFo/ vz3yBPgSugrIZDve0/gOLWn1s+WK1zt/GgYsZjIGmQVUvT4M/bvcqO3x Q1XWJZBr6kznTyWH0sqPJtFWhDAV/XglINZlG0jAvKYRDR46K2zyZMIA AsKgR6IgzU9wh3M2UL03ud09gqgNbNmBEH6EzEfsJf9mw8iI+Jh8omvA C4gUK8OsxRs0AJodVpk56Ww/9SvG1lLjo8R8N25s9EW55nzLH75QnL9g +NytICBR5/Ezu29yBXCfOM4mLZQFcOabYTSa+pdJGpzgjBAK5VSg5kLq fiRUAA==
DS 8 2 3600 20260822152352 20260801142352 44925 org. l3oG4M5rLEp57o7g+feDUpR37sPz+VKvGCyshhsanj/7/SUpT31uHmGq YYxddDgeNDGYqCpDGb85f9hSlEgr4XeIqjHNXRt0zWPA1sTA6KlQhgLL oqV3+/VXxo92sE6lUYL+Mb/k3B7Cza0DAcPs87rHwT04bsFmn1PAOBuB mFI=

NSEC

0 record(s)

—

Not configured

NSEC3

0 record(s)

—

Not configured

SRV

0 record(s)

—

Not configured

NAPTR

0 record(s)

—

Not configured

TLSA

0 record(s)

—

Not configured

SSHFP

0 record(s)

—

Not configured

SPF

Configured

v=spf1 -all

DMARC

Configured

v=DMARC1; p=reject; adkim=s; aspf=s

DKIM

Not found

—

Not configured

Analyzed webpageMetadata and HTTP response

Title and description

Extracted

Title

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

Description

Serve 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!

Final URL

https://us.org/

HTTP status

200

HTTP

Status

HTTP/1.1 200 OK

Final URL

https://us.org/

Version

Server

nginx

X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available

Yes

Issuer

Let's Encrypt

us.org

Valid from

2026-07-25T01:53:21-05:00

Valid until

2026-10-23T01:53:20-05:00

Days remaining

Protocol

TLSv1.3

Cipher

TLS_AES_256_GCM_SHA384

Security headers

0 active

—

HSTSNot detected

—

Content Security PolicyNot detected

—

X-Content-Type-OptionsNot detected

—

X-Frame-OptionsNot detected

—

Referrer PolicyNot detected

—

Permissions PolicyNot detected

—

Cross-Origin-Opener-PolicyNot detected

—

Cross-Origin-Embedder-PolicyNot detected

—

Cross-Origin-Resource-PolicyNot detected

DNS propagationComparison across public resolvers

Public resolver comparison

Consistent

✓

Consistent propagation

5 public resolvers queried.

ResolverServerResultLatency

Google

8.8.8.8

54.153.56.183

62,13 ms

Cloudflare

1.1.1.1

54.153.56.183

72,23 ms

Quad9

9.9.9.9

54.153.56.183

98,56 ms

OpenDNS

208.67.222.222

54.153.56.183

81,84 ms

AdGuard

94.140.14.14

54.153.56.183

74,19 ms

IP, geolocation and ASNAssociated network information

54.153.56.183

No data

success

country

region

city

asn

organization

isp

Visitor information

Visitor

216.73.217.62

reverse

country

country_code

region

city

latitude

longitude

isp

organization

asn

timezone

browser

Other

language

user_agent

Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)

is_bot

Yes

cloudflare

SMTPEmail port connectivity

alt1.aspmx.l.google.com

Port 25: Closed/unreachable - 1.2 ms - 
Port 465: Closed/unreachable - 4018.6 ms - 
Port 587: Closed/unreachable - 4018.8 ms -

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