Alternatives to certi.us
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certi.us was registered with GoDaddy.com, LLC on 26 Jun 2003. Its SSL certificate from Google Trust Services is valid until 10 Jan 2027, and the site does not support HTTP/3. WOT's community rates its safety good (62/100).
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.
3 of 5 protections set up
Lists the servers allowed to send email for this domain.
v=spf1 +a +mx include:spf.sendinblue.com include:spf.protection.outlook.com +ip4:72.52.185.29 +ip4:64.91.248.156 ~allSigns outgoing mail so receivers can verify it.
selector selector1._domainkeyPolicy is “quarantine”: spoofed mail goes to spam.
v=DMARC1;p=quarantine;sp=none;adkim=r;aspf=r;pct=100;fo=0;rf=afrf;ri=86400;rua=mailto:[email protected];ruf=mailto:[email protected]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.
4 of 6 recommended headers
Forces HTTPS on future visits.
Limits where scripts can load from — the main defence against XSS.
Framing is limited by the CSP’s frame-ancestors instead.
Prevents browsers guessing file types.
Which AI crawlers this site allows, and whether it publishes an llms.txt.
From robots.txt. “Partly blocked”: kept out of some pages, not the homepage. 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.
3,145 similar domains registered in the last 90 days — possible typosquatting or phishing.
| Domain | Why it’s similar | Registered | Status | Report |
|---|---|---|---|---|
| certi.cards | Other extension | 18 Oct 2026 | No website | Report → |
| certi.social | Other extension | 10 Oct 2026 | Active website | Report → |
| cerit.help | Typo | 9 Oct 2026 | No website | Report → |
| certi.shop | Other extension | 5 Oct 2026 | Parked | Report → |
| certi.space | Other extension | 12 Sept 2026 | Parked | Report → |
From CubDomain's daily newly registered domains. Similar doesn't mean malicious.
Is certi.us’s name taken on other extensions?
3 technologies detected across 3 categories.
Detected from headers, page source and DNS · Automatic and may be incomplete · Suggest a correction
Every IP address certi.us resolves to, and where it's hosted.
| Host | IPv4 address | TTL |
|---|---|---|
| certi.us | 104.26.2.63 | 300 |
| certi.us | 104.26.3.63 | 300 |
| certi.us | 172.67.74.173 | 300 |
| Host | IPv6 address | TTL |
|---|---|---|
| certi.us | 2606:4700:20::681a:23f | 300 |
| certi.us | 2606:4700:20::681a:33f | 300 |
| certi.us | 2606:4700:20::ac43:4aad | 300 |
| Host | Mail server | TTL |
|---|---|---|
| certi.us | 0 certi-us.mail.protection.outlook.com | 3600 |
| Host | Name server | TTL |
|---|---|---|
| certi.us | amber.ns.cloudflare.com | 86400 |
| certi.us | razvan.ns.cloudflare.com | 86400 |
| Host | Text | TTL |
|---|---|---|
| certi.us | "google-site-verification=eikE8idlVkvrHxIToVpLfvuGbLoTKzLLFVpUyb8c8ks" | 300 |
| certi.us | "MS=ms48149816" | 300 |
| certi.us | "Sendinblue-code:6d1f9b2b9e2d96cc2c57147e07066425" | 300 |
| certi.us | "v=spf1 +a +mx include:spf.sendinblue.com include:spf.protection.outlook.com +ip4:72.52.185.29 +ip4:64.91.248.156 ~all" | 300 |
| Host | Start of authority | TTL |
|---|---|---|
| certi.us | amber.ns.cloudflare.com dns.cloudflare.com 2418724296 10000 2400 604800 1800 | 1800 |
Other domains served from 104.26.2.63. Normal for shared hosting and CDNs.
No reviews yet. Used certi.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.
WOT's community rates certi.us good for safety (62/100). Its SSL certificate is valid until 10 Jan 2027. See Security →
certi.us is registered through GoDaddy.com, LLC. The owner's details are hidden by a privacy service in the public WHOIS record. See WHOIS →
The registration expires on 25 Jun 2027 — in 7 months. See Overview →
certi.us was registered on 26 Jun 2003, making it 23 years old. See Overview →
certi.us is served from 6 IP addresses, mainly on AS13335. See Hosting →
We detected 3 technologies, including Google Analytics, WordPress and jQuery. See Built with →
Raw registry data for certi.us. May be redacted by privacy services.
Domain Name: certi.us Registry Domain ID: D4408478-US Registrar WHOIS Server: whois.godaddy.com Registrar URL: whois.godaddy.com Updated Date: 2025-10-23T14:18:41Z Creation Date: 2003-06-26T14:42:27Z Registry Expiry Date: 2027-06-25T23:59:59Z Registrar: GoDaddy.com, LLC Registrar IANA ID: 146 Registrar Abuse Contact Email: [email protected] Registrar Abuse Contact Phone: +1.4806242505 Domain Status: clientRenewProhibited https://icann.org/epp#clientRenewProhibited Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited Domain Status: clientUpdateProhibited https://icann.org/epp#clientUpdateProhibited Domain Status: clientDeleteProhibited https://icann.org/epp#clientDeleteProhibited Registry Registrant ID: C7F6DD346C7694D9CBE0AAE6CE14F2C42-NSR Registrant Name: Tim Fisher Registrant Organization: Center for Environmental Research and Technology, Inc. Registrant Street: 3 Foster Lane Registrant Street: Suite 102 Registrant Street: Registrant City: Flemington Registrant State/Province: New Jersey Registrant Postal Code: 08822 Registrant Country: us Registrant Phone: +1.8005138332 Registrant Phone Ext: Registrant Fax: +1.7196329607 Registrant Fax Ext: Registrant Email: [email protected] Registrant Application Purpose: P1 Registrant Nexus Category: C11 Registry Admin ID: C340AF8F4E80D456E8CA5556BB10BE9E6-NSR Admin Name: Tim Fisher Admin Organization: Center for Environmental Resea Admin Street: 3 Foster Lane Admin Street: Suite 102 Admin Street: Admin City: Flemington Admin State/Province: New Jersey Admin Postal Code: 08822 Admin Country: us Admin Phone: +1.8005138332 Admin Phone Ext: Admin Fax: +1.7196329607 Admin Fax Ext: Admin Email: [email protected] Admin Application Purpose: P1 Admin Nexus Category: C11 Registry Tech ID: CDC242F24DD0342FBB0D02DAF1751E6F7-NSR Tech Name: Danny Soares Tech Organization: Technical Adventures Tech Street: 210 Haven Ave Tech Street: Ste 101 Tech Street: Tech City: Scotch Plains Tech State/Province: New Jersey Tech Postal Code: 07086 Tech Country: us Tech Phone: +1.9089661580 Tech Phone Ext: Tech Fax: +1.4137238334 Tech Fax Ext: Tech Email: [email protected] Tech Application Purpose: P1 Tech Nexus Category: C11 Name Server: amber.ns.cloudflare.com Name Server: razvan.ns.cloudflare.com DNSSEC: unsigned URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/ >>> Last update of WHOIS database: 2026-10-31T18:55:49Z <<< 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.certi.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 certi.us. Data is collected independently from public sources and some figures are estimates, provided for information only.
Shares more of the URL with other sites than it needs to.
Restricts camera, microphone and other browser features.
From the homepage's response, https://certi.us/
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 31 Oct 2026.