[Pdns-users] Why is pdns searching for NS records at the sub-domain level?

chayes chayes at afo.net
Thu Sep 5 14:33:43 UTC 2013


John,

You are correct.  I am trying to build a white-list dns.  
So for example, if I wanted to white-list cnn.com then I would have
sufficient domains and records in the pdns database to cover it (corrected
info below).  
And if a user attempted to browse to a site that was not allowed, like
gamble.com, then I assume I would need nxdomain to answer and send them to a
special IP containing a block page.
I have made some progress ... I can whitelist specific sub-domains, having
non-white-listed sites return "page cannot be displayed" ... but I can't
seem to whitelist entire domains because I can't get wild-card working ...
and I need to return a block page instead of "page cannot be displayed."

corrected records table contents:
+----+-----------+---------+------+----------------------------+-------+------+-------------+
| id | domain_id | name    | type | content                    | ttl   |
prio | change_date |
+----+-----------+---------+------+----------------------------+-------+------+-------------+
|  1 |         1 | cnn.com | SOA  | localhost dnsadm at afo.net 1 | 86400 |
NULL |        NULL |
|  2 |         1 | cnn.com | NS   | ns1.timewarner.net         | 86400 |
NULL |        NULL |
|  3 |         1 | cnn.com | NS   | ns3.timewarner.net         | 86400 |
NULL |        NULL |
|  4 |         1 | cnn.com | NS   | ns1.p42.dynect.net         | 86400 |
NULL |        NULL |
|  5 |         1 | cnn.com | NS   | ns2.p42.dynect.net         | 86400 |
NULL |        NULL |
|  6 |         1 | cnn.com | A    | 157.166.226.25             | 86400 |
NULL |        NULL |
|  7 |         1 | cnn.com | A    | 157.166.226.26             | 86400 |
NULL |        NULL |
+----+-----------+---------+------+----------------------------+-------+------+-------------+

Cliff



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