Re: [dns-operations] underline in TXT's host

2012-12-14 Thread Phil Pennock
On 2012-12-14 at 08:40 -0500, Andrew Sullivan wrote: > If Stephane says no, I will cheerfully write something that says the > same thing so you may quote it liberally. But surely it won't make > any difference. You can beat people about the head with RFC 2181, but > they do not seem afterwards mo

Re: [dns-operations] underline in TXT's host

2012-12-14 Thread Carlos M. Martinez
Back in the day we all did weird things. I used to sysadmin the boxes (yeah, all two of them :-) ) which served .com.uy and we allowed domain names with underscores, like my_domain.com.uy Actually there were quite a few of them and when we stopped allowing that we had to weather a lot of complaint

Re: [dns-operations] underline in TXT's host

2012-12-14 Thread WBrown
Fred wrote on 12/14/2012 01:28:51 PM: > Khazakhstan issued domain names starting with a dash for a limited period > of time... DAMHIK! Maybe they were just typos. https://twitter.com/DNS_BORAT/status/267843261425664000 Confidentiality Notice: This electronic message and any attachments may c

Re: [dns-operations] underline in TXT's host

2012-12-14 Thread Fred Morris
On Fri, 14 Dec 2012, Feng He wrote: > does the TXT record allow a underline in its hostname? There is some conflation there. A "hostname" is a particular kind of label, historically chosen from a limited character set to avoid untoward interactions with runtime environments. For example, what migh

Re: [dns-operations] underline in TXT's host

2012-12-14 Thread Andrew Sullivan
On Fri, Dec 14, 2012 at 01:36:05PM +0100, Florian Streibelt wrote: > > May I quote you wherever possible, especially at some special university > Professor who teaches such¹ nonsense? > If Stephane says no, I will cheerfully write something that says the same thing so you may quote it liberally

Re: [dns-operations] underline in TXT's host

2012-12-14 Thread Stephane Bortzmeyer
On Fri, Dec 14, 2012 at 01:36:05PM +0100, Florian Streibelt wrote a message of 14 lines which said: > May I quote you wherever possible, especially at some special > university Professor who teaches such nonsense? OK, if you provide the gasoline, I will bring the matches :-)

Re: [dns-operations] underline in TXT's host

2012-12-14 Thread Florian Streibelt
Hi Stephane, Am Fr, 14.12.12 um 09:44:41 Uhr schrieb Stephane Bortzmeyer : > 1) What is on the left side is not always a host name, far from it (if > you have learned in a book that DNS is here to "map host names to IP > addresses", burn the book immediately, it was written by someone who > doe

Re: [dns-operations] underline in TXT's host

2012-12-14 Thread Stephane Bortzmeyer
On Fri, Dec 14, 2012 at 04:50:48PM +0800, Feng He wrote a message of 23 lines which said: > From RFC 952 It's old, it was not even for the DNS! As I said, read the RFCs about the DNS (RFC 1035, section 2.3.1 and RFC 2181, section 11). And pay attention to the difference between host names an

Re: [dns-operations] underline in TXT's host

2012-12-14 Thread Feng He
于 2012-12-14 16:44, Stephane Bortzmeyer 写道: 1) What is on the left side is not always a host name, far from it (if you have learned in a book that DNS is here to "map host names to IP addresses", burn the book immediately, it was written by someone who does not know the DNS). 2) Domain names can

Re: [dns-operations] underline in TXT's host

2012-12-14 Thread Stephane Bortzmeyer
On Fri, Dec 14, 2012 at 04:37:05PM +0800, Feng He wrote a message of 17 lines which said: > does the TXT record allow a underline in its hostname? 1) What is on the left side is not always a host name, far from it (if you have learned in a book that DNS is here to "map host names to IP addres