nanog mailing list archives
Re: Open Resolver Problems
From: Jared Mauch <jared () puck nether net>
Date: Mon, 25 Mar 2013 11:55:12 -0400
On Mar 25, 2013, at 11:44 AM, Valdis.Kletnieks () vt edu wrote:
On Mon, 25 Mar 2013 15:38:01 -0000, Nick Hilliard said:On 25/03/2013 14:33, Mikael Abrahamsson wrote:I would like to be able to request an IP list of open resolvers in my ASN, perhaps sent to the contact details in RIPE whois database to make sure I'm not falsely representing that ASN.Why would that matter? This is publicly available information.Some of us have both publicly-facing authoritative DNS, and inward facing recursive servers that may be open resolvers but can't be found via NS entries (so the IP addresses of those aren't exactly publicly available info).
Scoping your responses based on query-source should work just fine in this case. There's documentation on how to do that online here: http://www.zytrax.com/books/dns/ch9/close.html I highly recommend doing this with your name server. If you have examples of how to do this you want to share and have me post, as I mentioned, please send me your edits and additions. I want to make this valuable. - Jared
Current thread:
- Open Resolver Problems Jared Mauch (Mar 25)
- Re: Open Resolver Problems Mikael Abrahamsson (Mar 25)
- Re: Open Resolver Problems Nick Hilliard (Mar 25)
- Re: Open Resolver Problems Valdis . Kletnieks (Mar 25)
- Re: Open Resolver Problems Jared Mauch (Mar 25)
- Re: Open Resolver Problems Christopher Morrow (Mar 25)
- Re: Open Resolver Problems Valdis . Kletnieks (Mar 26)
- Re: Open Resolver Problems Nick Hilliard (Mar 26)
- Re: Open Resolver Problems Dobbins, Roland (Mar 26)
- Re: Open Resolver Problems Patrick W. Gilmore (Mar 26)
- Re: Open Resolver Problems Valdis . Kletnieks (Mar 26)
- Re: Open Resolver Problems Nick Hilliard (Mar 27)
- Re: Open Resolver Problems Alain Hebert (Mar 27)
- Re: Open Resolver Problems Rich Kulawiec (Mar 27)
- Re: Open Resolver Problems Nick Hilliard (Mar 27)
- Re: Open Resolver Problems Nick Hilliard (Mar 25)
- Re: Open Resolver Problems Mikael Abrahamsson (Mar 25)