How to Use Registry RDAP (.NTT)

Through RDAP queries, you can lookup domain name-related information managed by Nippon Telegraph and Telephone Corporation. RDAP Lookup is performed by specifying Path Segment as URL format, as described below.

RDAP Lookup Types:

Domain Information Lookup

URL format: https://rdap.nic.ntt/rdap/domain/<DomainName>

Examples for <DomainName>:
 - example.ntt
 In case of "ドメイン名例.ntt";
 - xn--eckwd4c7cu47r2wf.ntt   ** Punycode
 - %E3%83%89%E3%83%A1%E3%82%A4%E3%83%B3%E5%90%8D%E4%BE%8B.ntt   ** URL encoding

Note: Case-insensitive / exact-match lookup is performed

NameServer Host Information Lookup (by hostname)

URL format: https://rdap.nic.ntt/rdap/nameserver/<NameServerHostName>

Examples for <NameServerHostName>:
 - ns.example.ntt
 In case of "ns.ドメイン名例.ntt";
 - ns.xn--eckwd4c7cu47r2wf.ntt   ** Punycode
 - ns.%E3%83%89%E3%83%A1%E3%82%A4%E3%83%B3%E5%90%8D%E4%BE%8B.ntt   ** URL encoding

Note: Case-insensitive / exact-match lookup is performed

NameServer Host Information Lookup (by IP address)

URL format: https://rdap.nic.ntt/rdap/nameservers?ip=<NameServerIPAddress>

Examples for <NameServerIPAddress>:
 - 192.0.2.100
 - 2001:db8::3
 - 2001:db8:0000:0000:0000:0000:0000:3

Note: Exact-match lookup is performed

Registrar Information Lookup (by IANA ID)

URL format: https://rdap.nic.ntt/rdap/entity/<RegistrarIANAID>
 
Example for <RegistrarIANAID>:
 - 9999

Note: Exact-match lookup is performed

Registrar Information Lookup (by Registrar name)

URL format: https://rdap.nic.ntt/rdap/entities?fn=<RegistrarName>

Examples for <RegistrarName>:
 - example-registrar
 - Example-Registrar

Note: Case-sensitive / exact-match lookup is performed