Test whether a web address, site, URL, or domain is IPv6 accessible. Tests for DNS AAAA records, IPv6-addressable nameservers, glue, IPv6 connectivity (port 80), and several other elements. https://ready.chair6.net/?url=kobet.co.kr%2F%EC%8A%A4%ED%94%BC%EB%93%9C%ED%82%A4%EB%85%B8-%EB%B0%B0%ED%8C%85-%EA%B8%B0%EB%B2%95%EC%9D%84-%EB%A7%88%EC%8A%A4%ED%84%B0%ED%95%98%EB%8A%94-%EB%B2%95%2F