DNS services

Matt S Trout dbix-class at trout.me.uk
Tue May 23 13:30:04 BST 2006


Dirk Koopman wrote:
> On Tue, 2006-05-23 at 12:57 +0100, Daniel Barlow wrote:
>> On Tue, May 23, 2006 at 11:54:10AM +0100, Roger Burton West wrote:
>>> So you don't want to do the work yourself, but you don't want to pay
>>> anyone else to do it either?
>>>
>>> Since as far as I know there's no way of inserting advertisements in DNS
>>> (and if there is I don't want to know about it), I don't think it's
>>> likely that anyone will offer this service any time soon.
>> If you control the servers, it would not be hard to add TXT "messages
>> from our sponsor" in the "Additional Information" section of a DNS
>> response.  Fictitious example
>>
>> :; dig example.com
>> [...]
>> ;; ANSWER SECTION:
>> example.com.            172800  IN      A       192.0.34.166
>>
>> ;; ADDITIONAL SECTION:
>> a.iana-servers.net.     171333  IN      A       192.0.34.43
>> b.iana-servers.net.     171333  IN      A       193.0.0.236
>> ads.devilspawn.com.	172800	IN	TXT	"DNS zone hosting from www.devilspawn.com"
>>
>>
>> I don't know of any RFCs that say you can't do this, but my knowledge
>> of DNS-related RFCs stopped about ten years ago - and i can't remember
>> those.  So there may be some kind of injunction against it
> 
> Yes you can, but it doesn't profit anybody because most queries are for
> A records and so your TXT record would simply sit there all unread and
> unappreciated.

He was wondering if it was possible.

He never said it had a point :)


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