go-fasttld

go-fasttld is a high-performance module designed for the extraction of effective top-level domains (eTLD) and subcomponents from various URL formats, including hostnames and IP addresses (both IPv4 and IPv6). Utilizing the Mozilla Public Suffix List, it supports private domains and offers a command-line interface (CLI) for easy extraction, while also providing functionality to handle internationalized label separators. Notable features include the ability to pretty-print results and robust handling of different URL structures.