Domains & Subdomains Discovery Lookup allows you to identify all domains and subdomains that contain specific terms. You can discover domains only, subdomains only, or both. Also, you can specify where the search term should be placed in the domain name: start with, end with, contains, and so on, to narrow down the results based on your needs. We provide the most complete and up-to-date information about all domains and subdomains for 2,864 TLDs in a convenient and unified format.
Obtain extensive lists of domains and subdomains with hostname terms related to instances of cybercrime, even if they are not included yet as indicators of compromise (IoCs). Use them to protect users against harmful spam, malicious websites, network infiltration, and other attacks.
Know what competitors are up to based on their subdomain creations and the presence of third-party applications’ names in subdomains.
Thwart brandjackers and copyright and trademark infringers from violating your ownership rights and damaging your brand reputation. Lookalike domains and subdomains can trick some users into thinking they are dealing with you when they are not.