On Sat, Dec 15, 2018 at 04:37:06PM +0100, Dominik DL6ER wrote: > Dear all, > > I observe that dnsmasq does not log the result of a query that was > replied to with NXDOMAIN when the response does not include an SOA > record. To my understanding, this is because, without an SOA record, no > TTL is available and the logging event when adding a domain to the > internal cache in not triggered. > > Steps to reproduce: > > 1. Configure dnsmasq to use the server 9.9.9.9 > 2. Query www.isitblocked.org > 3. Observe that the following is logged (extra logging format): > > Dec 15 16:11:32 dnsmasq[14851]: 1853 192.168.3.3/58098 query[A] > www.isitblocked.org from 192.168.3.3 > Dec 15 16:11:32 dnsmasq[14851]: 1853 192.168.3.3/58098 forwarded > www.isitblocked.org to 9.9.9.9 > > As you see, the reply (NXDOMAIN) is missing although the response is > correctly sent to the requesting client. >
|$ host www.isitblocked.org |www.isitblocked.org has address 74.208.236.124 |www.isitblocked.org has IPv6 address 2607:f1c0:100f:f000::2d1 |stappers@paddy:~ |$ host www.isitblocked.org 9.9.9.9 |Using domain server: |Name: 9.9.9.9 |Address: 9.9.9.9#53 |Aliases: | |Host www.isitblocked.org not found: 3(NXDOMAIN) |$ host -t soa www.isitblocked.org |www.isitblocked.org has no SOA record |$ host -t soa www.isitblocked.org 9.9.9.9 |Using domain server: |Name: 9.9.9.9 |Address: 9.9.9.9#53 |Aliases: | |Host www.isitblocked.org not found: 3(NXDOMAIN) |$ Groeten Geert Stappers -- Leven en laten leven _______________________________________________ Dnsmasq-discuss mailing list Dnsmasq-discuss@lists.thekelleys.org.uk http://lists.thekelleys.org.uk/mailman/listinfo/dnsmasq-discuss
