Hi, can you please set a txt record to verify you own this domain?
% host -t txt verified-for-netlify.armoredkingdom.com
Host verified-for-netlify.armoredkingdom.com not found: 3(NXDOMAIN)
Please refer to our verify domain ownership document and let us know by responding here when that’s done. If the verification is successful we can remove the domain from the other account so you can use it on yours.