Generator of generic domain names

1. This tool can generate random subdomains in bulk and supports multiple main domains.

2. Parent Domains: You can enter multiple parent domains, one per line.

3. Website Protocol: You can choose to generate with HTTP, HTTPS, both, or omit the protocol entirely.

4. Prefix Type: Letters (a-z), Numbers (0-9), or Mixed (letters + numbers).

5. Prefix Length: Set the character length of the subdomain prefix, ranging from 1 to 10.

6. Number of Subdomains per Domain: The number of subdomains generated for each main domain.

7. Generated domain names will be automatically deduplicated to ensure no duplicate domain names are created.