# amass enum > Find subdomains of a domain. > More information: . - Find (passively) subdomains of a [d]omain: `amass enum -d {{domain_name}}` - Find subdomains of a [d]omain and actively verify them attempting to resolve the found subdomains: `amass enum -active -d {{domain_name}} -p {{80,443,8080}}` - Do a brute force search for sub[d]omains: `amass enum -brute -d {{domain_name}}` - Save the results to a text file: `amass enum -o {{output_file}} -d {{domain_name}}` - Save terminal output to a file and other detailed output to a directory: `amass enum -o {{output_file}} -dir {{path/to/directory}} -d {{domain_name}}` - List all available data sources: `amass enum -list`