Optiver : 415 Unsupported Media Type

Domain Name: optiver.us
Registry Domain ID: D740425-US
Registrar WHOIS Server: whois.godaddy.com
Registrar URL: whois.godaddy.com
Updated Date: 2025-04-08T17:15:50Z
Creation Date: 2002-04-19T21:39:26Z
Registry Expiry Date: 2028-04-18T23:59:59Z
Registrar: GoDaddy.com, LLC
Registrar IANA ID: 146
Registrar Abuse Contact Email: abuse@godaddy.com
Registrar Abuse Contact Phone: +1.4806242505
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Domain Status: clientDeleteProhibited https://icann.org/epp#clientDeleteProhibited
Domain Status: clientRenewProhibited https://icann.org/epp#clientRenewProhibited
Domain Status: clientUpdateProhibited https://icann.org/epp#clientUpdateProhibited
Registry Registrant ID: CE8FAE1560D8F4D779A268C2865CC0981-NSR
Registrant Name: Dennis Dylo
Registrant Organization: Optiver US LLC
Registrant Street: 130 E Randolph St.
Registrant Street:
Registrant Street:
Registrant City: Chicago
Registrant State/Province: Illinois
Registrant Postal Code: 60601
Registrant Country: us
Registrant Phone: +1.3128219500
Registrant Phone Ext:
Registrant Fax:
Registrant Fax Ext:
Registrant Email: windowsteam@optiver.us
Registrant Application Purpose: P1
Registrant Nexus Category: C11
Registry Admin ID: CAB19A4FD0D86482DA41D138F682A6721-NSR
Admin Name: Dennis Dylo
Admin Organization: Optiver US LLC
Admin Street: 130 E Randolph St.
Admin Street:
Admin Street:
Admin City: Chicago
Admin State/Province: Illinois
Admin Postal Code: 60601
Admin Country: us
Admin Phone: +1.3128219500
Admin Phone Ext:
Admin Fax:
Admin Fax Ext:
Admin Email: windowsteam@optiver.us
Admin Application Purpose: P1
Admin Nexus Category: C11
Registry Tech ID: C684693A49D724D7F9199107F059DFD64-NSR
Tech Name: Dennis Dylo
Tech Organization: Optiver US LLC
Tech Street: 130 E Randolph St.
Tech Street:
Tech Street:
Tech City: Chicago
Tech State/Province: Illinois
Tech Postal Code: 60601
Tech Country: us
Tech Phone: +1.3128219500
Tech Phone Ext:
Tech Fax:
Tech Fax Ext:
Tech Email: windowsteam@optiver.us
Tech Application Purpose: P1
Tech Nexus Category: C11
Name Server: ns47.domaincontrol.com
Name Server: ns48.domaincontrol.com
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of WHOIS database: 2025-08-09T20:05:21Z <<<

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Registry Services, LLC, the Registry Administrator for .US, has collected this information for the WHOIS database through a .US-Accredited Registrar. This information is provided to you for informational purposes only and is designed to assist persons in determining contents of a domain name registration record in the registry database.

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