"For .ly domains to be unresolvable the five .ly root servers that are authoritative all have to be offline, or responding with empty responses. Of the five root nameservers for the .ly TLD: two are based in Oregon, one is in the Netherlands and two are in Libya."<p>So that's the case if they return no or invalid responses. Would do you expect to happen if they just return wrong responses (as in the case of the DHS domain seizures)?
The CEO said:<p>For .ly domains to be unresolvable the five .ly root servers that are authoritative <i>all</i> have to be offline, or responding with empty responses. Of the five root nameservers for the .ly TLD: two are based in Oregon, one is in the Netherlands and two are in Libya.
This does point to at least a small downside to "wrap-around" urls like Bit.ly: you can ignore the semantics but who guarantees the semantics will ignore you.