More on CNAME problem

[John Coutts]

In article <200009280015.e8S0FNu11611 at drugs.dv.isc.org>, 
Mark.Andrews at nominum.com says...
>
>        It's not that they don't like the answer or don't receive the
>        answer.  They receive it and use it.  What isn't happening is
>        that the negative answer is not being cached.  See RFC 2308.
>        The MX record however is being cached which is why there are
>        far fewer queries for the MX record.
>
>        Mark
****************** REPLY SEPARATER ***************
OK, here are 2 more examples that happened just yesterday. Both occurred with 
"MX" record requests. Our server is responding, but the other server is either 
not getting the response or is ignoring it! When will someone admit that this 
is not right?

J.A. Coutts
Systems Engineer
Edsonet/TravPro
---------------------------------------------------------------
10:17:45   Request from 199.117.52.11 for CNAME-record for yellowhead.com.
10:17:45   Sending reply to 199.117.52.11 about CNAME-record for 
yellowhead.com.:
10:17:45   -> Answer: There are no CNAME-Records for yellowhead.com.
10:17:45   -> Authority: SOA-record for yellowhead.com. = 
server1.yellowhead.com. (Serial 2000031302)
10:17:45   Request from 199.117.52.11 for CNAME-record for yellowhead.com.
10:17:45   Sending reply to 199.117.52.11 about CNAME-record for 
yellowhead.com.:
10:17:45   -> Answer: There are no CNAME-Records for yellowhead.com.
10:17:45   -> Authority: SOA-record for yellowhead.com. = 
server1.yellowhead.com. (Serial 2000031302)
10:17:45   Request from 199.117.52.11 for CNAME-record for yellowhead.com.
10:17:45   Sending reply to 199.117.52.11 about CNAME-record for 
yellowhead.com.:
10:17:45   -> Answer: There are no CNAME-Records for yellowhead.com.
10:17:45   -> Authority: SOA-record for yellowhead.com. = 
server1.yellowhead.com. (Serial 2000031302)
10:17:45   Request from 199.117.52.11 for CNAME-record for yellowhead.com.
10:17:45   Sending reply to 199.117.52.11 about CNAME-record for 
yellowhead.com.:
10:17:45   -> Answer: There are no CNAME-Records for yellowhead.com.
10:17:45   -> Authority: SOA-record for yellowhead.com. = 
server1.yellowhead.com. (Serial 2000031302)
10:17:45   Request from 199.117.52.11 for CNAME-record for yellowhead.com.
10:17:45   Sending reply to 199.117.52.11 about CNAME-record for 
yellowhead.com.:
10:17:45   -> Answer: There are no CNAME-Records for yellowhead.com.
10:17:45   -> Authority: SOA-record for yellowhead.com. = 
server1.yellowhead.com. (Serial 2000031302)
10:17:45   Request from 199.117.52.11 for CNAME-record for yellowhead.com.
10:17:45   Sending reply to 199.117.52.11 about CNAME-record for 
yellowhead.com.:
10:17:45   -> Answer: There are no CNAME-Records for yellowhead.com.
10:17:45   -> Authority: SOA-record for yellowhead.com. = 
server1.yellowhead.com. (Serial 2000031302)
10:17:45   Request from 199.117.52.11 for CNAME-record for yellowhead.com.
10:17:45   Sending reply to 199.117.52.11 about CNAME-record for 
yellowhead.com.:
10:17:45   -> Answer: There are no CNAME-Records for yellowhead.com.
10:17:45   -> Authority: SOA-record for yellowhead.com. = 
server1.yellowhead.com. (Serial 2000031302)
10:17:45   Request from 199.117.52.11 for CNAME-record for yellowhead.com.
10:17:45   Sending reply to 199.117.52.11 about CNAME-record for 
yellowhead.com.:
10:17:45   -> Answer: There are no CNAME-Records for yellowhead.com.
10:17:45   -> Authority: SOA-record for yellowhead.com. = 
server1.yellowhead.com. (Serial 2000031302)
10:17:45   Request from 199.117.52.11 for CNAME-record for yellowhead.com.
10:17:45   Sending reply to 199.117.52.11 about CNAME-record for 
yellowhead.com.:
10:17:45   -> Answer: There are no CNAME-Records for yellowhead.com.
10:17:45   -> Authority: SOA-record for yellowhead.com. = 
server1.yellowhead.com. (Serial 2000031302)
10:17:45   Request from 199.117.52.11 for CNAME-record for yellowhead.com.
10:17:45   Sending reply to 199.117.52.11 about CNAME-record for 
yellowhead.com.:
10:17:45   -> Answer: There are no CNAME-Records for yellowhead.com.
10:17:45   -> Authority: SOA-record for yellowhead.com. = 
server1.yellowhead.com. (Serial 2000031302)
10:17:45   Request from 199.117.52.11 for CNAME-record for yellowhead.com.
10:17:45   Sending reply to 199.117.52.11 about CNAME-record for 
yellowhead.com.:
10:17:45   -> Answer: There are no CNAME-Records for yellowhead.com.
10:17:45   -> Authority: SOA-record for yellowhead.com. = 
server1.yellowhead.com. (Serial 2000031302)
10:17:45   Request from 199.117.52.11 for CNAME-record for yellowhead.com.
10:17:45   Sending reply to 199.117.52.11 about CNAME-record for 
yellowhead.com.:
10:17:45   -> Answer: There are no CNAME-Records for yellowhead.com.
10:17:45   -> Authority: SOA-record for yellowhead.com. = 
server1.yellowhead.com. (Serial 2000031302)
10:17:45   Request from 199.117.52.11 for CNAME-record for yellowhead.com.
10:17:45   Sending reply to 199.117.52.11 about CNAME-record for 
yellowhead.com.:
10:17:45   -> Answer: There are no CNAME-Records for yellowhead.com.
10:17:45   -> Authority: SOA-record for yellowhead.com. = 
server1.yellowhead.com. (Serial 2000031302)
10:17:45   Request from 199.117.52.11 for CNAME-record for yellowhead.com.
10:17:45   Sending reply to 199.117.52.11 about CNAME-record for 
yellowhead.com.:
10:17:45   -> Answer: There are no CNAME-Records for yellowhead.com.
10:17:45   -> Authority: SOA-record for yellowhead.com. = 
server1.yellowhead.com. (Serial 2000031302)
10:17:45   Request from 199.117.52.11 for CNAME-record for yellowhead.com.
10:17:45   Sending reply to 199.117.52.11 about CNAME-record for 
yellowhead.com.:
10:17:45   -> Answer: There are no CNAME-Records for yellowhead.com.
10:17:45   -> Authority: SOA-record for yellowhead.com. = 
server1.yellowhead.com. (Serial 2000031302)
10:17:45   Request from 199.117.52.11 for MX-record for yellowhead.com.
10:17:45   Sending reply to 199.117.52.11 about MX-record for yellowhead.com.:
10:17:45   -> Answer: MX-record for yellowhead.com. = mail.yellowhead.com. 
(Preference 100)
10:17:45   -> Additional: A-record for mail.yellowhead.com. = 207.34.82.5
10:17:45   Request from 199.117.52.11 for MX-record for yellowhead.com.
10:17:45   Sending reply to 199.117.52.11 about MX-record for yellowhead.com.:
10:17:45   -> Answer: MX-record for yellowhead.com. = mail.yellowhead.com. 
(Preference 100)
10:17:45   -> Additional: A-record for mail.yellowhead.com. = 207.34.82.5
10:17:45   Request from 199.117.52.11 for MX-record for yellowhead.com.
10:17:45   Sending reply to 199.117.52.11 about MX-record for yellowhead.com.:
10:17:45   -> Answer: MX-record for yellowhead.com. = mail.yellowhead.com. 
(Preference 100)
10:17:45   -> Additional: A-record for mail.yellowhead.com. = 207.34.82.5
10:17:45   Request from 199.117.52.11 for MX-record for yellowhead.com.
10:17:45   Sending reply to 199.117.52.11 about MX-record for yellowhead.com.:
10:17:45   -> Answer: MX-record for yellowhead.com. = mail.yellowhead.com. 
(Preference 100)
10:17:45   -> Additional: A-record for mail.yellowhead.com. = 207.34.82.5
10:17:45   Request from 199.117.52.11 for MX-record for yellowhead.com.
10:17:45   Sending reply to 199.117.52.11 about MX-record for yellowhead.com.:
10:17:45   -> Answer: MX-record for yellowhead.com. = mail.yellowhead.com. 
(Preference 100)
10:17:45   -> Additional: A-record for mail.yellowhead.com. = 207.34.82.5
10:17:45   IP address 199.117.52.11 blocked (more than 20 Requests per second)
10:17:45   Request from 199.117.52.11 on Block list. Ignored!
---------------------------------------------------------------
14:24:20   Request from 141.202.248.31 for MX-record for yellowhead.com.
14:24:20   Request from 141.202.248.31 for MX-record for yellowhead.com.
14:24:20   Sending reply to 141.202.248.31 about MX-record for yellowhead.com.:
14:24:20   -> Answer: MX-record for yellowhead.com. = mail.yellowhead.com. 
(Preference 100)
14:24:20   -> Additional: A-record for mail.yellowhead.com. = 207.34.82.5
14:24:20   Sending reply to 141.202.248.31 about MX-record for yellowhead.com.:
14:24:20   -> Answer: MX-record for yellowhead.com. = mail.yellowhead.com. 
(Preference 100)
14:24:20   -> Additional: A-record for mail.yellowhead.com. = 207.34.82.5
14:24:20   Request from 141.202.248.31 for MX-record for yellowhead.com.
14:24:20   Sending reply to 141.202.248.31 about MX-record for yellowhead.com.:
14:24:20   -> Answer: MX-record for yellowhead.com. = mail.yellowhead.com. 
(Preference 100)
14:24:20   -> Additional: A-record for mail.yellowhead.com. = 207.34.82.5
14:24:20   Request from 141.202.248.31 for MX-record for yellowhead.com.
14:24:20   Sending reply to 141.202.248.31 about MX-record for yellowhead.com.:
14:24:20   -> Answer: MX-record for yellowhead.com. = mail.yellowhead.com. 
(Preference 100)
14:24:20   -> Additional: A-record for mail.yellowhead.com. = 207.34.82.5
14:24:20   Request from 141.202.248.31 for MX-record for yellowhead.com.
14:24:20   Sending reply to 141.202.248.31 about MX-record for yellowhead.com.:
14:24:20   -> Answer: MX-record for yellowhead.com. = mail.yellowhead.com. 
(Preference 100)
14:24:20   -> Additional: A-record for mail.yellowhead.com. = 207.34.82.5
14:24:20   Request from 141.202.248.31 for MX-record for yellowhead.com.
14:24:20   Sending reply to 141.202.248.31 about MX-record for yellowhead.com.:
14:24:20   -> Answer: MX-record for yellowhead.com. = mail.yellowhead.com. 
(Preference 100)
14:24:20   -> Additional: A-record for mail.yellowhead.com. = 207.34.82.5
14:24:20   Request from 141.202.248.31 for MX-record for yellowhead.com.
14:24:20   Sending reply to 141.202.248.31 about MX-record for yellowhead.com.:
14:24:20   -> Answer: MX-record for yellowhead.com. = mail.yellowhead.com. 
(Preference 100)
14:24:20   -> Additional: A-record for mail.yellowhead.com. = 207.34.82.5
14:24:20   Request from 141.202.248.31 for MX-record for yellowhead.com.
14:24:20   Sending reply to 141.202.248.31 about MX-record for yellowhead.com.:
14:24:20   -> Answer: MX-record for yellowhead.com. = mail.yellowhead.com. 
(Preference 100)
14:24:20   -> Additional: A-record for mail.yellowhead.com. = 207.34.82.5
14:24:20   Request from 141.202.248.31 for MX-record for yellowhead.com.
14:24:20   Sending reply to 141.202.248.31 about MX-record for yellowhead.com.:
14:24:20   -> Answer: MX-record for yellowhead.com. = mail.yellowhead.com. 
(Preference 100)
14:24:20   -> Additional: A-record for mail.yellowhead.com. = 207.34.82.5
14:24:20   Request from 141.202.248.31 for MX-record for yellowhead.com.
14:24:20   Sending reply to 141.202.248.31 about MX-record for yellowhead.com.:
14:24:20   -> Answer: MX-record for yellowhead.com. = mail.yellowhead.com. 
(Preference 100)
14:24:20   -> Additional: A-record for mail.yellowhead.com. = 207.34.82.5
14:24:20   Request from 141.202.248.31 for MX-record for yellowhead.com.
14:24:20   Sending reply to 141.202.248.31 about MX-record for yellowhead.com.:
14:24:20   -> Answer: MX-record for yellowhead.com. = mail.yellowhead.com. 
(Preference 100)
14:24:20   -> Additional: A-record for mail.yellowhead.com. = 207.34.82.5
14:24:20   Request from 141.202.248.31 for MX-record for yellowhead.com.
14:24:20   Sending reply to 141.202.248.31 about MX-record for yellowhead.com.:
14:24:20   -> Answer: MX-record for yellowhead.com. = mail.yellowhead.com. 
(Preference 100)
14:24:20   -> Additional: A-record for mail.yellowhead.com. = 207.34.82.5
14:24:20   Request from 141.202.248.31 for MX-record for yellowhead.com.
14:24:20   Sending reply to 141.202.248.31 about MX-record for yellowhead.com.:
14:24:20   -> Answer: MX-record for yellowhead.com. = mail.yellowhead.com. 
(Preference 100)
14:24:20   -> Additional: A-record for mail.yellowhead.com. = 207.34.82.5
14:24:20   Request from 141.202.248.31 for MX-record for yellowhead.com.
14:24:20   Sending reply to 141.202.248.31 about MX-record for yellowhead.com.:
14:24:20   -> Answer: MX-record for yellowhead.com. = mail.yellowhead.com. 
(Preference 100)
14:24:20   -> Additional: A-record for mail.yellowhead.com. = 207.34.82.5
14:24:20   Request from 141.202.248.31 for MX-record for yellowhead.com.
14:24:20   Sending reply to 141.202.248.31 about MX-record for yellowhead.com.:
14:24:20   -> Answer: MX-record for yellowhead.com. = mail.yellowhead.com. 
(Preference 100)
14:24:20   -> Additional: A-record for mail.yellowhead.com. = 207.34.82.5
14:24:20   Request from 141.202.248.31 for MX-record for yellowhead.com.
14:24:20   Sending reply to 141.202.248.31 about MX-record for yellowhead.com.:
14:24:20   -> Answer: MX-record for yellowhead.com. = mail.yellowhead.com. 
(Preference 100)
14:24:20   -> Additional: A-record for mail.yellowhead.com. = 207.34.82.5
14:24:20   Request from 141.202.248.31 for MX-record for yellowhead.com.
14:24:20   Sending reply to 141.202.248.31 about MX-record for yellowhead.com.:
14:24:20   -> Answer: MX-record for yellowhead.com. = mail.yellowhead.com. 
(Preference 100)
14:24:20   -> Additional: A-record for mail.yellowhead.com. = 207.34.82.5
14:24:20   Request from 141.202.248.31 for MX-record for yellowhead.com.
14:24:20   Sending reply to 141.202.248.31 about MX-record for yellowhead.com.:
14:24:20   -> Answer: MX-record for yellowhead.com. = mail.yellowhead.com. 
(Preference 100)
14:24:20   -> Additional: A-record for mail.yellowhead.com. = 207.34.82.5
14:24:20   Request from 141.202.248.31 for MX-record for yellowhead.com.
14:24:20   Sending reply to 141.202.248.31 about MX-record for yellowhead.com.:
14:24:20   -> Answer: MX-record for yellowhead.com. = mail.yellowhead.com. 
(Preference 100)
14:24:20   -> Additional: A-record for mail.yellowhead.com. = 207.34.82.5
14:24:20   Request from 141.202.248.31 for MX-record for yellowhead.com.
14:24:20   Sending reply to 141.202.248.31 about MX-record for yellowhead.com.:
14:24:20   -> Answer: MX-record for yellowhead.com. = mail.yellowhead.com. 
(Preference 100)
14:24:20   -> Additional: A-record for mail.yellowhead.com. = 207.34.82.5
14:24:20   IP address 141.202.248.31 blocked (more than 20 Requests per second)
14:24:20   Request from 141.202.248.31 on Block list. Ignored!
---------------------------------------------------------------