Preparing your domain... stuck for 16 days

First I tried my custom domain from Hostinger in netlify without writing the name servers of netlify from a youtube video and applied everything mentioned there waited for 3 days and nothing happenend it got stuck in Preparing your domain… then the second time tried adding the name servers there and it tells me when putting a custom domain that this good news domain is available on netlify or smthn like this and I got happy thought the problem has been solved waited for another 4 days nothing happened got stuck again I tried again and I make sure this time to not get anything wrong watched a lot of tutorials and applied again and now it has been 16 days stuck on Preparing your domain…

my current domain is:

and its online

the custom domain is Chinese and its:
http://䰓䰊䯸1.icu

and yes ive tried asking the ai bot many times and nothing worked

Please contact your domain registrar. The domain you’ve provided doesn’t seem to exist.

but it says this

It looks like you successfully added the domain, but when I query it using whois the domain is not found:

% whois xn--1-9s5a3b9a.icu
% IANA WHOIS server
% for more information on IANA, visit http://www.iana.org
% This query returned 1 object

refer:        whois.nic.icu

domain:       ICU

organisation: Shortdot SA
address:      29 Boulevard de la Grande-Duchesse Charlotte
address:      Luxembourg L-1331
address:      Luxembourg

contact:      administrative
name:         Lars Jensen
organisation: Shortdot SA
address:      29 Boulevard de la Grande-Duchesse Charlotte
address:      Luxembourg L-1331
address:      Luxembourg
phone:        +352621811103
fax-no:       +35227862529
e-mail:       sales@nic.icu

contact:      technical
name:         CTO
organisation: CentralNic
address:      Saddlers House, 4th Floor
address:      44 Gutter Lane
address:      London EC2V 6BR
address:      United Kingdom of Great Britain and Northern Ireland (the)
phone:        +44 20 33 88 0600
fax-no:       +44 20 33 88 0601
e-mail:       tld.ops@centralnic.com

nserver:      A.NIC.ICU 194.169.218.108 2001:67c:13cc:0:0:0:1:108
nserver:      B.NIC.ICU 185.24.64.108 2a04:2b00:13cc:0:0:0:1:108
nserver:      C.NIC.ICU 212.18.248.108 2a04:2b00:13ee:0:0:0:0:108
nserver:      D.NIC.ICU 212.18.249.108 2a04:2b00:13ff:0:0:0:0:108
ds-rdata:     31762 8 2 ccc397a837f6491166129e1d99ed03cca6635166b2f5b58c65b5cf516ae92b8f
ds-rdata:     46625 8 2 bb6ac27bbb99b05da380516d9c342bec3585259e22e4791472908e4370067886

whois:        whois.nic.icu

status:       ACTIVE
remarks:      Registration information: http://nic.icu/

created:      2015-03-06
changed:      2024-06-19
source:       IANA

# whois.nic.icu

The queried object does not exist: DOMAIN NOT FOUND