If I've understood the situation correctly, the solution is to replicate the CNAME in dnsmasq
cname=host.dcpx.org,host.cityname.dcpx.org that way you'll get an answer to the query for host.dcpx.org which a cname to host.cityname.dcpx.org and an A record for host.cityname.dcpx.org from /etc/hosts. Cheers, Simon. On 24/08/18 21:14, Dominick C. Pastore wrote: > Hello, > > I would like to to configure Dnsmasq so that when it receives a CNAME record, > if the target is in /etc/hosts, it overrides whatever else the public DNS > server says about that target and uses /etc/hosts instead. Is this possible? > After studying the manual, it seems like not, but I'm wondering if I missed > something. > > Here's why: > I have split-horizon DNS set up and the router runs Dnsmasq. Within the > network, host.cityname.dcpx.org points to the host's private IP address, and > outside the network, the public DNS record for that name points to the > router's external IP address. For convenience, I created a public CNAME > record for host.dcpx.org -> host.cityname.dcpx.org. > > This CNAME record works well across the Internet, but behind the router, not > so much. Dnsmasq goes to the public DNS server for the CNAME record, which > also has the public A record for the canonical name. Once Dnsmasq has to hit > the public DNS server, it seems to take all of its word as law, and returns > the external A record to the client that's inside the network. Even though it > has an entry in /etc/hosts for the same name. > > I saw the --local=/cityname.dcpx.org/ and --auth-zone=cityname.dcpx.org > options and got hopeful that one of those would fix my problem, but > unfortunately, neither did. > > Thanks, > Dominick > > _______________________________________________ > Dnsmasq-discuss mailing list > Dnsmasq-discuss@lists.thekelleys.org.uk > http://lists.thekelleys.org.uk/mailman/listinfo/dnsmasq-discuss > _______________________________________________ Dnsmasq-discuss mailing list Dnsmasq-discuss@lists.thekelleys.org.uk http://lists.thekelleys.org.uk/mailman/listinfo/dnsmasq-discuss
