Looks like domain blocked:
$ whois coinexchange.io
Domain Name: COINEXCHANGE.IO
Registry Domain ID: D503300000040477115-LRMS
Registrar WHOIS Server: whois.namecheap.com
Registrar URL:
www.namecheap.comUpdated Date: 2018-01-19T15:52:57Z
Creation Date: 2016-01-09T00:12:00Z
Registry Expiry Date: 2019-01-09T00:12:00Z
Registrar Registration Expiration Date:
Registrar: NameCheap, Inc
Registrar IANA ID: 1068
Registrar Abuse Contact Email:
abuse@namecheap.comRegistrar Abuse Contact Phone: +1.6613102107
Reseller:
Domain Status: clientTransferProhibited
https://icann.org/epp#clientTransferProhibitedRegistrant Name: WhoisGuard Protected
Registrant Organization: WhoisGuard, Inc.
Name Server: BLOCKEDDUETOSPAM.PLEASECONTACTSUPPORT.COM
Name Server: DUMMYSECONDARY.PLEASECONTACTSUPPORT.COMDNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form:
https://www.icann.org/wicf/>>> Last update of WHOIS database: 2018-01-19T17:44:36Z <<<