What is on the internet most recently around your keyword: results are ordered by the time each hostname was last observed, latest at the top.
Type a brand, a product, or any term, then narrow to one extension to see the latest names under that TLD, across subdomains and registered domains.
Choose whether the keyword has to appear in the subdomain part or in the registered domain, and every hostname shows the time it was last observed.
What is Hostname Search? The latest hostnames for a keyword and a TLD
Hostname Search answers one question: what is the latest on the internet for this keyword, under this TLD. It looks for the keyword inside publicly observed hostnames, the full names services are reachable at, such as login.example.net, so one search covers subdomains and registered domains at the same time.
Type a brand, a product name, or any term. Results show the latest hostnames, with the keyword highlighted and the time each was last observed. Narrow the list to one extension, tighten the time window from a full day down to the last 15 minutes, and choose whether the keyword should appear in the subdomain part or in the registered domain.
Hostname Search vs Subdomain Finder
The Subdomain Finder starts from a domain you already know and lists the subdomains under it. Hostname Search starts from a keyword and finds hostnames under any domain that contain it. Use the finder to map one domain, and Hostname Search to see how a term is used across the web.
Hostname Search and CTlogs.io
The two answer different questions. Hostname Search answers which domains and hostnames are out there for a keyword and a TLD, latest first. CTlogs.io answers which certificates a given domain has. Found a name here? Look it up on CTlogs.io for its certificates.
Hostname Search is a feed of what is new, not an inventory. Enumeration tools answer what a domain has ever had; this page answers what appeared in the past day for a keyword and a TLD.
How to use Hostname Search
Brand protection. Search your brand name to see the latest hostnames carrying it, including names that only carry the brand in a subdomain and do not show up in registration data.
Market research. Search a product category or a technology term, pick a TLD, and see the latest names set up under it.
Domain research. Search a keyword you are considering and see how it is already being used in observed hostnames before you commit to it.
Security research. Search a brand, a product, or a technology name to see the newest hostnames that carry it: lookalike login pages, freshly set up API or admin hosts, new infrastructure under a TLD. The question here is what appeared in the past day, not what a given host exposes and not what a domain has had over the years.
Country-code extensions
Results on higher plans can include hostnames under country-code extensions such as .de or .br, with a toggle to hide them. Other plans see generic extensions only.
Frequently Asked Questions
What is the difference between a hostname, a subdomain, and a domain?
A domain such as example.com is what gets registered. A subdomain such as shop.example.com is a name created under it. A hostname is any full name a service answers at, which covers both. Hostname Search matches your keyword against the full hostname.
Can I search for subdomains by keyword?
Yes. Choose "Match in subdomain" and the keyword has to appear in the subdomain part of the hostname. Choose "Match in domain" and the keyword has to appear in the registered domain instead.
Do I need an account to search?
Yes. Hostname Search is available to registered users, and a free account is enough to start searching. Higher plans add filters, more results per search, and the newest observations first.
How recent are the results?
Results cover the latest hostnames observed over the past day, ordered by when each was last observed, and every entry shows its observation time. The newest observations reach higher plans first. Names that have not been observed in that window do not appear.
Is Hostname Search a subdomain enumeration tool?
No. Enumeration tools start from a domain and list everything it has ever had. Hostname Search starts from a keyword and a TLD and lists the latest hostnames that carry it, with the time each was last observed. Use it to see what is new, then use the Subdomain Finder or CTlogs.io to go deep on one domain.
Does Hostname Search include country-code extensions?
Results on higher plans can include hostnames under country-code extensions, with a toggle to hide them. Other plans see generic extensions only.
Where does this data come from, and does it reflect a domain's current status?
The data is compiled from Certificate Transparency records, the same public source behind CTlogs.io, so it does not represent every hostname that exists, and what is visible varies by extension.
Each entry records what was observed at the time of observation. It is a snapshot, not a live status check. A hostname listed here may since have been removed or repointed. For the current state of a specific domain, run a WHOIS lookup.