RFC7485

[nathalie coupet]

RegionalInternet Registries (RIRs) and Domain Name Registries (DNRs)

havehistorically maintained a lookup service to permit public access

to someportion of the registry database. Most registries offer the

servicevia the WHOIS protocol [RFC3912], with additionalservices

beingoffered via World Wide Web pages, bulk downloads, and other

services,such as Routing Policy Specification Language (RPSL)

[RFC2622].

Thisdocument records an inventory of registry data objects tofacilitatediscussions of registration data objects. The

RegistrationData Access Protocol (RDAP) ([RFC7480], [RFC7482],

[RFC7483], and [RFC7484]) was developed using this inventoryas

input.=> Some data elements were not supported by allRIRs, andsome were given different labels by different RIRs. Also,

there wereidentical labels used for different data elements by

different RIRs.  o All ofthe 124 domain registries have the object names in their

responses,although they are in various formats.

o Of the118 WHOIS services contacted, 65 registries show their

registrantcontact. About half of the registries (60 registries)

supportadmin contact information. There are 47 registries, which

is about one third of thetotal number, that have technical and billingcontact information. Only seven of the 124 registries give their abuse email ina "remarks" section. No explicit abuse contact information isprovided.

o There are mainly twopresentation formats. One is key-value; the

other is data block format.


Most of thedomain-related WHOIS information is included in the top

10 data elements.Other information like name server and registrar

name is also supportedby most registries.


Nathalie Coupet 
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