never heard about bitnovo.com but they're seems just a local exchanger for brazilian (i guess),but to be honest i won't waste my time to buy thing or exchange things on the commercial site which use whois privacy for their whois
Domain Name: bitnovo.com
Registry Domain ID: 1939462079_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.dinahosting.com
Registrar URL: http://dinahosting.com
Updated Date: 2016-06-09T12:17:47Z
Creation Date: 2015-06-17T11:27:02Z
Registrar Registration Expiration Date: 2017-06-17T11:27:02Z
Registrar: Dinahosting s.l.
Registrar IANA ID: 1262
Registrar Abuse Contact Phone: +34.981040200
Domain Status: clientDeleteProhibited (http://www.icann.org/epp#clientDeleteProhibited)
Domain Status: clientTransferProhibited (http://www.icann.org/epp#clientTransferProhibited)
Registrant ID: DHCVe-703013316
Registrant Name: Privacidad Whois
Registrant Organization: Privacidad Whois sl
Registrant Street: AP 570
Registrant City: Santiago de Compostela
Registrant State/Province: A Coruna
Registrant Postal Code: 15080
Registrant Country: ES
Registrant Phone: +34.663894344
Registrant Phone Ext:
Registrant Fax:
Registrant Fax Ext:
Administrative ID: DHCVe-703013316
Administrative Name: Privacidad Whois
Administrative Organization: Privacidad Whois sl
Administrative Street: AP 570
Administrative City: Santiago de Compostela
Administrative State/Province: A Coruna
Administrative Postal Code: 15080
Administrative Country: ES
Administrative Phone: +34.663894344
Administrative Phone Ext:
Administrative Fax:
Administrative Fax Ext:
Technical ID: DHCVe-703013316
Technical Name: Privacidad Whois
Technical Organization: Privacidad Whois sl
Technical Street: AP 570
Technical City: Santiago de Compostela
Technical State/Province: A Coruna
Technical Postal Code: 15080
Technical Country: ES
Technical Phone: +34.663894344
Technical Phone Ext:
Technical Fax:
Technical Fax Ext:
Name Server: ns.dinahosting.com
Name Server: ns2.dinahosting.com
Name Server: ns3.dinahosting.com
Name Server: ns4.dinahosting.com
DNSSEC: unsigned
URL of the ICANN WHOIS Data Problem Reporting System: http://wdprs.internic.net/
>>> Last update of WHOIS database: 2016-06-11T20:16:41+0200 <<<