253.net.cn
253.co
253.io
253.us
253.de
253.at
253.nz
253.be
253.cl
253.se
253.si
253.ею
253.ad
253.ua
253.gw
253.рф
253.co.us

253.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.