I went for Muskehounds.com instead, and the rest, as they say, is history. But I've checked up on dogtanian.com every so often in case it should expire and become available.
I gave it a try this evening, and lo and behold - the address is now redirecting to my site! Try it:
Wow, thank you, Mystery Benefactor! Or rather (such is the joy of WHOIS), thank you Alexander Gener of New Southgate, London!