whois中的“blocked_word：CG”是什麼意思？

一位客戶說他們想在我們這裡停放一個域名。從理論上講，他們應該已經註冊了該域。但是當我用 查找它時whois，我得到了這個：

jcastro@localhost:~$ whois notactuallythedomaininquestion.br

% Copyright (c) Nic.br
%  The use of the data below is only permitted as described in
%  full by the terms of use at https://registro.br/termo/en.html ,
%  being prohibited its distribution, commercialization or
%  reproduction, in particular, to use it for advertising or
%  any similar purpose.
%  2017-11-07 09:26:29 (BRST -02:00)

% blocked_word:  CG

% Security and mail abuse issues should also be addressed to
% cert.br, http://www.cert.br/ , respectivelly to cert@cert.br
% and mail-abuse@cert.br
%
% whois.registro.br accepts only direct match queries. Types
% of queries are: domain (.br), registrant (tax ID), ticket,
% provider, contact handle (ID), CIDR block, IP and ASN.

這是什麼意思？一個真正不存在的域不會給我那條blocked_word線，而是給我：

jcastro@localhost:~$ whois randomwordsalad.br
.
.
.
% No match for randomwordsalad.br
.
.
.

兩者之間的區別在於無法註冊帶有“阻塞字詞”WHOIS 輸出的名稱，而帶有“不匹配”的名稱可以註冊，儘管此時尚未註冊。

引用自：https://serverfault.com/questions/882248