[Dnsmasq-discuss] reverse lookups

Philippe Faure philippe at faure.ca
Wed Apr 2 18:39:43 BST 2008


Dnsmasq handles local domains nicely (for both forward and reverse lookups):

    root at fileserver:~$host phil2
    phil2.230newport.faure.ca has address 192.168.0.56
    root at fileserver:~$host 192.168.0.56
    56.0.168.192.in-addr.arpa domain name pointer phil2.230newport.faure.ca.

Other IPs in that 192.168.0.0/24 range dont work:

    root at fileserver:~$host 192.168.0.250
    Host 250.0.168.192.in-addr.arpa not found: 3(NXDOMAIN)

192.168.0.250 (and others ips liks 192.168.0.230 etc...) are handled
by a second DNS server, but dnsmaq refuses to forward on the requests.

I added this conf item with no luck:

    # Example of routing PTR queries to nameservers: this will send all
    # address->name queries for 192.168.3/24 to nameserver 10.1.2.3
    #server=/3.168.192.in-addr.arpa/10.1.2.3
    server=/0.168.192.in-addr.arpa/192.168.0.250 #second name server.


I was wondering why it wont forward on the DNS PTR lookup (reverse  
lookup) if it does not exist in its own DB?





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