debian.us was registered with Gandi SAS on 9 Jul 2009 and is hosted on AS3 in United States. Its SSL certificate doesn't cover this domain name, so browsers warn visitors.
On-page basics for the homepage.
Networks cache previews — changes can take time to show.
What security vendors and the WOT community say about this domain.
0 of 5 protections set up
No SPF record: any server can send mail that claims to come from this domain.
—No key at the 12 common selectors we checked. A custom selector can’t be found from DNS alone.
—No DMARC policy: receivers aren’t told what to do with mail that fails SPF and DKIM.
—Forces encrypted delivery between mail servers.
—Shows the brand logo in supporting inboxes. Optional; needs DMARC enforcement.
—Read from the domain's public DNS records.
5 of 6 recommended headers
Forces HTTPS on future visits.
Limits where scripts can load from — the main defence against XSS.
Stops the site being framed for clickjacking.
Prevents browsers guessing file types.
Which AI crawlers this site allows, and whether it publishes an llms.txt.
No robots.txt, so every crawler may crawl the whole site. Not every crawler follows it. llms.txt is an optional guide some sites publish for AI assistants — it is not a ranking factor.
Pages and files that show who runs the site and how it handles data.
What loads and tracks visitors when the homepage opens.
Running a full browser scan of the homepage… This takes about a minute.
Internet standards that make a site faster and safer.
The path from a typed address to the final page.
Is debian.us’s name taken on other extensions?
Every IP address debian.us resolves to, and where it's hosted.
| Host | IPv4 address | TTL |
|---|---|---|
| debian.us | 128.31.0.62 | 300 |
| debian.us | 130.89.148.77 | 300 |
| debian.us | 194.177.211.216 | 300 |
| Host | IPv6 address | TTL |
|---|---|---|
| debian.us | 2001:648:2ffc:deb:216:61ff:fe2b:6138 | 300 |
| debian.us | 2001:67c:2564:a119::77 | 300 |
| debian.us | 2603:400a:ffff:bb8::801f:3e | 300 |
| Host | Mail server | TTL |
|---|---|---|
| debian.us | 10 mailly.debian.org | 28800 |
| debian.us | 10 mitropoulos.debian.org | 28800 |
| debian.us | 10 muffat.debian.org | 28800 |
| Host | Name server | TTL |
|---|---|---|
| debian.us | dns4.easydns.info | 28800 |
| debian.us | nsp.dnsnode.net | 28800 |
| debian.us | sec1.rcode0.net | 28800 |
| debian.us | sec2.rcode0.net | 28800 |
| Host | Policy | TTL |
|---|---|---|
| debian.us | 0 iodef mailto:[email protected] | 28800 |
| debian.us | 128 issue \; | 28800 |
| Host | Start of authority | TTL |
|---|---|---|
| debian.us | denis.debian.org hostmaster.debian.org 2026102102 10800 3600 1814400 3600 | 3600 |
| Host | Value | TTL |
|---|---|---|
| debian.us | 256 3 13 HzPfO9P8nJNJQNnbQh1szleAsk6M1hPpN6Bxwi4U+9cHJT5LBRCVpkYdQeZheGbA7+reTY619x+7KXMsRJCeIA== | 28800 |
| debian.us | 256 3 13 zTGSyGwcWMGei5osOkoVbF9IZzye7c1ZiSSKeUcc00FYROW8al6bWsJ0ZBlHCHyfa2g54GchPT+flPZbX0UvPw== | 28800 |
| debian.us | 257 3 13 Ikz0EvOWsFAjdz4c5mZY2utFJV3J/eG0n3m6GxFUP2LnuwDs/9OqFb0c/w1dKv18IrS4Oz2q8qlXSrRZ0eW1QQ== | 28800 |
Other domains served from 128.31.0.62. Normal for shared hosting and CDNs.
No reviews yet. Used debian.us? Be the first to say how it went.
Reviews are from CubDomain users and are separate from the security verdicts above.
Common questions, answered from this report's data.
debian.us has no community safety rating yet. Its SSL certificate doesn't cover this domain name, so browsers warn visitors. See Security →
debian.us is registered through Gandi SAS. The owner's details are hidden by a privacy service in the public WHOIS record. See WHOIS →
The registration expires on 8 Jul 2027 — in 8 months. See Overview →
debian.us was registered on 9 Jul 2009, making it 17 years old. See Overview →
debian.us is served from 2 IP addresses, mainly on AS3 in United States. See Hosting →
Raw registry data for debian.us. May be redacted by privacy services.
Domain Name: debian.us Registry Domain ID: D20966332-US Registrar WHOIS Server: Registrar URL: whois.gandi.net Updated Date: 2026-06-12T21:03:39Z Creation Date: 2009-07-09T18:10:35Z Registry Expiry Date: 2027-07-08T23:59:59Z Registrar: Gandi SAS Registrar IANA ID: 81 Registrar Abuse Contact Email: [email protected] Registrar Abuse Contact Phone: +33.170377661 Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited Registry Registrant ID: C45079778-US Registrant Name: Hostmaster SPI Registrant Organization: Software in the Public Interest, Inc. - Debian Project Registrant Street: 1632 1st Ave #20327 Registrant Street: Registrant Street: Registrant City: New York Registrant State/Province: NY Registrant Postal Code: 10028 Registrant Country: US Registrant Phone: +1.9292514516 Registrant Phone Ext: Registrant Fax: Registrant Fax Ext: Registrant Email: [email protected] Registrant Application Purpose: P2 Registrant Nexus Category: C21 Registry Admin ID: C45079778-US Admin Name: Hostmaster SPI Admin Organization: Software in the Public Interest, Inc. - Debian Project Admin Street: 1632 1st Ave #20327 Admin Street: Admin Street: Admin City: New York Admin State/Province: NY Admin Postal Code: 10028 Admin Country: US Admin Phone: +1.9292514516 Admin Phone Ext: Admin Fax: Admin Fax Ext: Admin Email: [email protected] Admin Application Purpose: P2 Admin Nexus Category: C21 Registry Tech ID: CF4A4CFD238634809AC67F8B33D7F36DE-GDREG Tech Name: Debian Hostmaster Tech Organization: Tech Street: 1632 1st Ave #20327 Tech Street: Tech Street: Tech City: New York Tech State/Province: NY Tech Postal Code: 10028 Tech Country: US Tech Phone: +1.9292514516 Tech Phone Ext: Tech Fax: Tech Fax Ext: Tech Email: [email protected] Tech Application Purpose: P3 Tech Nexus Category: C12 Name Server: dns4.easydns.info Name Server: sec1.rcode0.net Name Server: sec2.rcode0.net Name Server: nsp.dnsnode.net DNSSEC: signedDelegation URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/ >>> Last update of WHOIS database: 2026-10-24T16:00:32Z <<< For more information on Whois status codes, please visit https://icann.org/epp .US WHOIS Complaint Tool - http://www.whoiscomplaints.us Advanced WHOIS Instructions - http://whois.us/help.html Registry Services, LLC, the Registry Administrator for .US, has collected this information for the WHOIS database through a .US-Accredited Registrar. This information is provided to you for informational purposes only and is designed to assist persons in determining contents of a domain name registration record in the registry database. Registry Services, LLC makes this information available to you "as is" and does not guarantee its accuracy. By submitting a WHOIS query, you agree that you will use this data only for lawful purposes and that, under no circumstances will you use this data: (1) to allow, enable, or otherwise support the transmission of mass unsolicited, commercial advertising or solicitations via direct mail, electronic mail, or by telephone; (2) in contravention of any applicable data and privacy protection laws; or (3) to enable high volume, automated, electronic processes that apply to the registry (or its systems). Compilation, repackaging, dissemination, or other use of the WHOIS database in its entirety, or of a substantial portion thereof, is not allowed without our prior written permission. We reserve the right to modify or change these conditions at any time without prior or subsequent notification of any kind. By executing this query, in any manner whatsoever, you agree to abide by these terms. NOTE: FAILURE TO LOCATE A RECORD IN THE WHOIS DATABASE IS NOT INDICATIVE OF THE AVAILABILITY OF A DOMAIN NAME. All domain names are subject to certain additional domain name registration rules. For details, please visit our site at www.whois.us.
The first response from http://www.debian.us, before any redirect: caching, server and policy headers.
Four timed TCP connections to port 443 from CubDomain's servers.
CubDomain is not affiliated with debian.us. Data is collected independently from public sources and some figures are estimates, provided for information only.
Controls how much of the URL is shared with other sites.
Restricts camera, microphone and other browser features.
From the homepage's response, https://www.debian.org/
Spam and malware blocklists for the site's IP and mail servers.
Found in public certificate transparency logs.
Searching the certificate transparency logs… This can take up to a minute.
When the site first appeared, and what has changed since.
No changes seen since we started recording on 24 Oct 2026.