DNS Hammer

A few noteworthy configurations are name servers run by APNIC, the Asia Pacific Network Information Center and the federal German government (bund.de).

Here is a scan result for the domain bund.de, delivering 25 responses. Then the servers keeps shut. Certainly not a DNS reflector.

Apple

Most curious are the responses from Apple's A and B name servers. Please note the odd symmetry of valid and truncated responses.

Here is the result from the name server a.apple.com:

And b.apple.com:

Found something interesting?

Send your screenshots to if you found an odd configuration.

We will not publish anything embarrassing like:

• No rate limit active
• 500 responses, but only 10 queries truncated