UltraDNS
UltraDNS employs some of the most relentless telemarketers ever. You tell them you’re not interested, they pull the “I don’t know why you wouldn’t be interested!” routine. You hang up, they call back in a few weeks. Yeah: I think I won’t be recommending anyone use them (not that my recommendation carries much weight).
[...] you and up with a few angry [...]
Yeah, same here (caller ID: NEUSTAR INC 650-228-2365), they kept calling again and again even though I said no and no. Real hassle!