RDAP

Registration Data Access Protocol (RDAP)

The Registration Data Access Protocol (RDAP) is successor to the WHOIS protocol. Our RDAP service is compliant to ICANNs gTLD RDAP profile (visit https://www.icann.org/rdap for more details).

Terms of Service (TOS)

Except for agreed Internet operational purposes, no part of this information may be reproduced, stored in a retrieval system, or transmitted, in any form or by any means, electronic, mechanical, recording, or otherwise, without prior permission of us on behalf of itself and/or the copyright holders. Any use of this material to target advertising or similar activities is explicitly forbidden and can be prosecuted. Furthermore, it is strictly forbidden to use the RDAP database in such a way that jeopardizes or could jeopardize the stability of our technical systems under any circumstances. In particular, this includes any misuse of the RDAP database and any use of the RDAP database which disturbs its operation. Should a user violate these points, we reserve the right to deactivate the RDAP database entirely or partly for the user. Moreover, the user shall be held liable for any and all damage arising from a violation of these points.

Further Information and Help

Our policy information for .hamburg is available here

Our RDAP server supports lookups for domains, hosts and entities. Search is available for registrar names and host IPs. The Base URL is https://rdap.nic.hamburg/v1/

RDAP Request Examples:

Domain Lookup Example: https://rdap.nic.hamburg/v1/domain/nic.hamburg

Host Lookup Example: https://rdap.nic.hamburg/v1/nameserver/sec1.rcode0.net

Registrar Lookup Example: https://rdap.nic.hamburg/v1/entity/9997

Registrar Search Example: https://rdap.nic.hamburg/v1/entities?fn=icann*

RDAP responses are in JSON format.

For more information or questions on our RDAP implementation, feel free to contact our support. Note: The RDAP service is available to the public under the above described Terms of Service.

Copyright (c) 2019 Hamburg Top-Level-Domain GmbH