und3rdark.com was registered with Cloudflare, Inc. on 8 Jun 2018. Its SSL certificate from Google Trust Services is valid until 17 Jan 2027, and the site supports HTTP/3.
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 -allSigns outgoing mail so receivers can verify it.
selector google._domainkeyPolicy is “reject”: spoofed mail is blocked.
v=DMARC1; p=reject; sp=reject; adkim=s; aspf=s;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.
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.
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.
No similar domains registered in the last 90 days.
From CubDomain's daily newly registered domains. Similar doesn't mean malicious.
Is und3rdark.com’s name taken on other extensions?
2 technologies detected across 2 categories.
Detected from headers, page source and DNS · Automatic and may be incomplete · Suggest a correction
Every IP address und3rdark.com resolves to, and where it's hosted.
| Host | IPv4 address | TTL |
|---|---|---|
| und3rdark.com | 104.21.49.224 | 300 |
| und3rdark.com | 172.67.152.254 | 300 |
| Host | IPv6 address | TTL |
|---|---|---|
| und3rdark.com | 2606:4700:3034::ac43:98fe | 300 |
| und3rdark.com | 2606:4700:3035::6815:31e0 | 300 |
| Host | Name server | TTL |
|---|---|---|
| und3rdark.com | frank.ns.cloudflare.com | 86400 |
| und3rdark.com | jamie.ns.cloudflare.com | 86400 |
| Host | Text | TTL |
|---|---|---|
| und3rdark.com | "v=spf1 -all" | 300 |
| Host | Start of authority | TTL |
|---|---|---|
| und3rdark.com | frank.ns.cloudflare.com dns.cloudflare.com 2417906542 10000 2400 604800 1800 | 1800 |
Other domains served from 172.64.80.1. Normal for shared hosting and CDNs.
No reviews yet. Used und3rdark.com? 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.
und3rdark.com has no community safety rating yet, and it isn't on any of the 6 blocklists we check. Its SSL certificate is valid until 17 Jan 2027. See Security →
und3rdark.com is registered through Cloudflare, Inc. See WHOIS →
The registration expires on 8 Jun 2027 — in 7 months. See Overview →
und3rdark.com was registered on 8 Jun 2018, making it 8 years old. See Overview →
und3rdark.com is served from 2 IP addresses, mainly on AS13335. See Hosting →
We detected 2 technologies, including Google Analytics and jQuery. See Built with →
Raw registry data for und3rdark.com. May be redacted by privacy services.
Domain Name: UND3RDARK.COM Registry Domain ID: 2272720128_DOMAIN_COM-VRSN Registrar WHOIS Server: whois.cloudflare.com Registrar URL: http://www.cloudflare.com Updated Date: 2026-05-09T04:06:17Z Creation Date: 2018-06-08T03:38:08Z Registry Expiry Date: 2027-06-08T03:38:08Z Registrar: Cloudflare, Inc. Registrar IANA ID: 1910 Registrar Abuse Contact Email: [email protected] Registrar Abuse Contact Phone: +1.6503198930 Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited Name Server: FRANK.NS.CLOUDFLARE.COM Name Server: JAMIE.NS.CLOUDFLARE.COM DNSSEC: unsigned URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/ >>> Last update of whois database: 2026-11-03T11:49:04Z <<< For more information on Whois status codes, please visit https://icann.org/epp NOTICE: The expiration date displayed in this record is the date the registrar's sponsorship of the domain name registration in the registry is currently set to expire. This date does not necessarily reflect the expiration date of the domain name registrant's agreement with the sponsoring registrar. Users may consult the sponsoring registrar's Whois database to view the registrar's reported date of expiration for this registration. TERMS OF USE: You are not authorized to access or query our Whois database through the use of electronic processes that are high-volume and automated except as reasonably necessary to register domain names or modify existing registrations; the Data in VeriSign Global Registry Services' ("VeriSign") Whois database is provided by VeriSign for information purposes only, and to assist persons in obtaining information about or related to a domain name registration record. VeriSign does not guarantee its accuracy. By submitting a Whois query, you agree to abide by the following terms of use: You agree that you may use this Data only for lawful purposes and that under no circumstances will you use this Data to: (1) allow, enable, or otherwise support the transmission of mass unsolicited, commercial advertising or solicitations via e-mail, telephone, or facsimile; or (2) enable high volume, automated, electronic processes that apply to VeriSign (or its computer systems). The compilation, repackaging, dissemination or other use of this Data is expressly prohibited without the prior written consent of VeriSign. You agree not to use electronic processes that are automated and high-volume to access or query the Whois database except as reasonably necessary to register domain names or modify existing registrations. VeriSign reserves the right to restrict your access to the Whois database in its sole discretion to ensure operational stability. VeriSign may restrict or terminate your access to the Whois database for failure to abide by these terms of use. VeriSign reserves the right to modify these terms at any time. The Registry database contains ONLY .COM, .NET, .EDU domains and Registrars.
Four timed TCP connections to port 443 from CubDomain's servers.
CubDomain is not affiliated with und3rdark.com. 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://und3rdark.com/
When the site first appeared, and what has changed since.
No changes seen since we started recording on 3 Nov 2026.
Spam and malware blocklists for the site's IP and mail servers.
0 of 6 blocklists list this domain's IP or mail servers.
Found in public certificate transparency logs.
| Subdomain | First seen |
|---|---|
| intel.und3rdark.com | Nov 2018 |
| www.intel.und3rdark.com | Nov 2018 |
| autodiscover.und3rdark.com | Jun 2018 |
| cpanel.und3rdark.com | Jun 2018 |
| mail.und3rdark.com | Jun 2018 |