df3.kr
df3.krd
df3.kred
df3.co
df3.io
df3.us
df3.at
df3.nz
df3.be
df3.cl
df3.se
df3.si
df3.닷컴
df3.ею
df3.ua
df3.рф
df3.한국
df3.co.us

df3.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.