Re: Proper CNAME interpretation

2011-09-14 Thread Ronald F. Guilmette
In message <4e7131a6.3000...@chrysler.com>, Kevin Darcy wrote: >Indeed. It should be noted that not only does the graphiteops.com name >break the "CNAME and other" rule, but it's a *self-referential* CNAME >(rdata = graphiteops.com), so if one tried to chase it, one could chase >infinitely.

Re: blacklisting replies, was: Proper CNAME interpretation

2011-09-14 Thread Ronald F. Guilmette
In message , you wrote: >Sigh: your mail server is blacklisting email from mac.com. Yes. Sorry about that. Too much spam from there and no indication that anybody there gives a damn that that they gush spam. (If you find anybody who does care, please le me know via the contact form on my web

Re: Proper CNAME interpretation

2011-09-14 Thread Kevin Darcy
On 9/14/2011 5:52 PM, Chuck Swiger wrote: On Sep 14, 2011, at 2:27 PM, Ronald F. Guilmette wrote: The second part however seems to go more to my question, which is "What is the resolver supposed to do when some knucklehead breaks the rules and puts a CNAME in with some other stuff?" Depends on

blacklisting replies, was: Proper CNAME interpretation

2011-09-14 Thread Chuck Swiger
Sigh: your mail server is blacklisting email from mac.com. Begin forwarded message: > From: postmas...@mac.com > Date: September 14, 2011 2:53:05 PM PDT > To: cswi...@mac.com > Subject: Delivery Notification: Delivery has failed > > This report relates to a message you sent with the following hea

Re: Proper CNAME interpretation

2011-09-14 Thread Chuck Swiger
On Sep 14, 2011, at 2:27 PM, Ronald F. Guilmette wrote: > The second part however seems to go more to my question, which is "What is > the resolver supposed to do when some knucklehead breaks the rules and puts > a CNAME in with some other stuff?" Depends on which query one issued. The very next

Re: Proper CNAME interpretation

2011-09-14 Thread Ronald F. Guilmette
In message <7d9b265c-36bf-40c1-9012-ac0a96fb8...@sackheads.org>, you wrote: >On Sep 14, 2011, at 4:35 PM, Ronald F. Guilmette wrote: > >> Is there a rule that says how a resolver should behave in cases where >> there is both an A record and also a CNAME record for the same FQDN? >> Which one shou

Re: Proper CNAME interpretation

2011-09-14 Thread John Payne
On Sep 14, 2011, at 4:35 PM, Ronald F. Guilmette wrote: > Is there a rule that says how a resolver should behave in cases where > there is both an A record and also a CNAME record for the same FQDN? > Which one should take precedence, the A or the CNAME? RFC 1034, Section 3.6.2: "If a CNAME RR

Proper CNAME interpretation

2011-09-14 Thread Ronald F. Guilmette
Last night, it appeared to me that nslookup was resolving the name "graphiteops.com" to IP address 72.52.4.95. Today however it is no longer doing that, reporting instead: % 127.0.0.1 Address:127.0.0.1#53 Non-authoritative answer: graphiteops.com canonical name = graphiteops.com. G