How is this possible that it is a regional thing ?
It's different "regions" of the internet, i.e. it depends on your ISP. I am on Virgin Media cable (Solent) and the DNS servers they provide no longer recognise the name TM-IMG.COM. Those people who are seeing pictures must be using ISPs whose DNS servers that still have the name.
As mentioned earlier, I've tried a couple of public DNS servers and they don't know it either so TM-IMG has dropped out of the system somehow. Hopefully, it will get fixed.