clef.or.kr
clef.co
clef.io
clef.us
clef.de
clef.at
clef.nz
clef.be
clef.cl
clef.se
clef.si
clef.ею
clef.ad
clef.ua
clef.gw
clef.рф
clef.co.us

clef.io

Extension: .io

.io is the country-code TLD for British Indian Ocean Territory.

Learn more about .io at IANA or Wikipedia, or view all top-level domains.