querying TLD nameservers - limitations

[Matus UHLAR - fantomas]

On 24.03.13 16:55, blrmaani wrote:
>I am developing a monitoring script for internal use and this requires
> extensive querying of TLD nameservers (a ..  m).tld servers.

Why does it need extensive querying of .tld servers?
Do you monitor someone's DNS servers without their permission?

>2. Are there other limitations I should be aware of while developing my script?

Yes, you should not abuse any service, whether you monitor it or not.
For example, you should not send extensive queries to foreign servers.

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