Domain WHOIS
Domain /api/v1/domain/whoisRegistrar, dates, name servers, contacts, DNSSEC status.
www.backend.yt.bulwark.cloud
Key-Systems, LLC expires in 312d
Registrar
Key-Systems, LLC
Created
2025-04-18T23:42:55.015Z
Updated
2026-06-02T23:44:17.080Z
Expires
2027-04-18T23:42:55.015Z
Age (days)
417
Status
ok https://icann.org/epp#ok
Server
http
Name servers
ns.second-ns.comns1.your-server.dens3.second-ns.de
Raw WHOIS response
Domain Name: bulwark.cloud Registry Domain ID: DO_4598e0eb66f5278fe58142a54bab8e6b-ARUBA Registrar WHOIS Server: http://www.key-systems.net Registrar URL: http://www.key-systems.net Updated Date: 2026-06-02T23:44:17.080Z Creation Date: 2025-04-18T23:42:55.015Z Registry Expiry Date: 2027-04-18T23:42:55.015Z Registrar: Key-Systems, LLC Registrar IANA ID: 1345 Registrar Abuse Contact Email: [email protected] Registrar Abuse Contact Phone: +49.68949396850 Domain Status: ok https://icann.org/epp#ok Name Server: ns.second-ns.com Name Server: ns1.your-server.de Name Server: ns3.second-ns.de DNSSEC: unsigned URL of the ICANN RDDS Inaccuracy Complaint Form: https://icann.org/wicf >>> Last update of WHOIS database: 2026-06-10T03:01:20.070Z <<< For more information on domain status codes, please visit https://icann.org/epp The WHOIS information provided in this page has been redacted in compliance with ICANN's Temporary Specification for gTLD Registration Data. The data in this record is provided by Tucows Registry for informational purposes only, and it does not guarantee its accuracy. Tucows Registry is authoritative for whois information in top-level domains it operates under contract with the Internet Corporation for Assigned Names and Numbers. Whois information from other top-level domains is provided by a third-party under license to Tucows Registry. This service is intended only for query-based access. By using this service, you agree that you will use any data presented only for lawful purposes and that, under no circumstances will you use (a) data acquired for the purpose of allowing, enabling, or otherwise supporting the transmission by e-mail, telephone, facsimile or other communications mechanism of mass unsolicited, commercial advertising or solicitations to entities other than your existing customers; or (b) this service to enable high volume, automated, electronic processes that send queries or data to the systems of any Registrar or any Registry except as reasonably necessary to register domain names or modify existing domain name registrations. Tucows Registry reserves the right to modify these terms at any time. By submitting this query, you agree to abide by this policy. All rights reserved. --- referred to http ---
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How to use Domain WHOIS
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1
Paste your input
Enter the value at the top — domain, IP, URL, email, ASN, hash, whatever fits this tool. The smart input auto-detects type.
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2
Click "Inspect"
host.tools issues real probes (DNS, HTTP, TCP, TLS, WHOIS where applicable) and renders the result in milliseconds.
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3
Open the API tab
Every web tool has a sibling /api/v1/domain/whois JSON endpoint with the same payload. One copy-as-curl click and you're scripting it.
Why this matters
WHOIS, expiry, DNSSEC, name servers — domain metadata is the single most-overlooked outage source. Lock it down before someone else does.
API equivalent
/api/v1/domain/whois?q=www.backend.yt.bulwark.cloud
curl -s '/api/v1/domain/whois?q=www.backend.yt.bulwark.cloud'
Embed this tool
<iframe src="/domain/whois?q={INPUT}&embed=1"
width="100%" height="600" frameborder="0"></iframe>
Drop into any HTML page. The embed=1 flag hides nav and footer.
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FAQ · Domain WHOIS
Common questions
Is Domain WHOIS free?
Yes — every tool is free on the web with a 200/hour rate limit per IP. The matching API endpoint /api/v1/domain/whois is free up to 100 requests/hour, no key required.
Where does the data come from?
Real-time probes against authoritative sources (DNS root, RIRs, registries, the target server itself), plus partner data feeds from hostinfo.com (GeoIP/ASN) and hostcheck.com (reputation).
How fresh are the results?
Live by default. Cached for 5 minutes to make repeat queries instant; pass
?nocache=1 for a forced refresh.Can I run this from the command line?
Yes — every tool ships with a copy-as-curl. There's also an official CLI:
host.tools domain whois YOUR_INPUT.Can I monitor results over time?
Pro tier lets you schedule any tool to run every 1/5/15/60 min and alert on diff. See monitors.
host.tools Pro
Run Domain WHOIS on a schedule. Get pinged when it changes.
Pro gets you bulk lookups, monitors, webhook alerts, history, exports and 10,000 API calls/day. $19/mo.
- ✓Schedule any tool — every 1, 5, 15, 60 min
- ✓Diff against last run, alert on change
- ✓Webhook + email + Slack + PagerDuty + OpsGenie
- ✓Bulk CSV upload, 1,000 inputs per job
- ✓Export results as CSV / NDJSON / Excel
- ✓90-day history, comparison view