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=www.die-seite.com/index.php%3Fa%3Dstats%26u%3Drenebetche6