Gmartfin,
Sorry about the delay. Depending on which registrar you're
using to query the registry you might have to implement a
delay.
We haven't really had any problems so far (no servers
down) but ehh, you never know.
The sleep command mentioned by my aggressive
friend Drewbert will definitely work if you're scripts are
written in Perl.
Sleep (1);
Will cause the script to pause for 1 second. Obviously you
might have to adjust this to meet whatever requirements you
have.
If it doesn't work, find a different registrar
Hope this helps,
Luc L.