[dns-operations] Google Public DNS

[Wessels, Duane]

On Nov 19, 2012, at 4:57 AM, Stephane Bortzmeyer wrote:

> On Thu, Nov 15, 2012 at 04:00:03PM +0100,
> Stefan Schmidt <zaphodb at zaphods.net> wrote 
> a message of 77 lines which said:
> 
>> Also it should be easy to write something up that returns the
>> recursive Server IP that queried for a certain qname as a TXT record
>> or even automatically the matches from that list.
> 
> No need to write it, it already exists:
> 
> % dig +short @8.8.8.8 A self.myresolver.info  
> 74.125.181.26
> 
> See <http://myresolver.info/about>
> 
> You can also creatively reuse porttest 
> <https://www.dns-oarc.net/oarc/services/porttest> for that:
> 
> % dig @8.8.8.8 +short porttest.dns-oarc.net TXT
> porttest.y.x.w.v.u.t.s.r.q.p.o.n.m.l.k.j.i.h.g.f.e.d.c.b.a.pt.dns-oarc.net.
> "74.125.181.20 is UNKNOWN: Only received 1 queries.  Please try again in 60 seconds"
> 


And also this one:

  $ dig amiopen.openresolvers.org TXT

DW