[dns-operations] A lot of CNAME queries for domain ?

[Matthäus Wander]

Hi,

Am 05.07.2012 20:22, schrieb Mohamed Lrhazi:
> Looking at it further, it does seem like the source IPs of these queries
> are actually fake... as most seem to be consecutive IPs, like such:
> 
> 74.125.126.86
> 74.125.126.85
> 74.125.126.84
> 74.125.126.83
> ...

That's Google public DNS. Here's a full list of their source IP ranges:
https://developers.google.com/speed/public-dns/faq#locations

They claim however to rate-limit their queries to nameservers:
https://developers.google.com/speed/public-dns/docs/security#rate_limit

Kind regards,
Matt

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