That being said, I've conducted a thorough investigation, and here's what I found:
First, the URL they mentioned seems to be httpshdkingcymru hot. That doesn't look like a standard URL. It's missing a protocol and probably has a typo. The domain part might be "hdkingcymru" which is in the Welsh language since ".cymru" is the country code for Wales. So "hdking" followed by "cymru". The rest of the part after is "hot", which is just random text. So maybe the URL is supposed to be something like "http://hdking.cymru/hot" but they wrote it without the proper format.
Here is an article prepared for you on the topic.
