[ale] DIG failing due to ipv6?

[Alex Carver]

Have you tried fully disabling ipv6 via sysctl?

On 2016-04-12 15:27, Robert L. Harris wrote:
> Ok, this is un-related to my previous IPv6 question, as this is for work and we 
> do not have IPv6 rolled out. We are trying to look up a signle sign on page 
> hosted in azure and it looks like dns is failing because my bind9 is geting an 
> IPv6 address for the dns server but can't get to it to query the real DNS name.
> 
> 
> 
> I thought I disabled IPv6 resolution and forced IPv4 only but it doesn't seem to 
> be working. Anyone have any ideas?
> 
> {0}:/home/rharris>dig signin.company.com <http://signin.company.com>
> 
> ; <<>> DiG 9.9.5-3ubuntu0.1-Ubuntu <<>> signin.company.com 
> <http://signin.company.com>
> ;; global options: +cmd
> ;; Got answer:
> ;; ->>HEADER<<- opcode: QUERY, status: SERVFAIL, id: 41491
> ;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 1
> 
> ;; OPT PSEUDOSECTION:
> ; EDNS: version: 0, flags:; udp: 4096
> ;; QUESTION SECTION:
> ;signin.company.com <http://signin.company.com>. IN A
> 
> ;; Query time: 194 msec
> ;; SERVER: 127.0.0.1#53(127.0.0.1)
> ;; WHEN: Tue Apr 12 16:21:56 MDT 2016
> ;; MSG SIZE rcvd: 47
> 
> 
> {0}:/home/rharris>dnstracer signin.company.com <http://signin.company.com>
> Tracing to signin.company.com <http://signin.company.com>[a] via 127.0.0.1, 
> maximum of 3 retries
> 127.0.0.1 (127.0.0.1) Got answer [received type is cname]
> |\___ prd1.azuredns-cloud.net <http://prd1.azuredns-cloud.net> 
> [azurewebsites.net <http://azurewebsites.net>] 
> (2a01:0111:2005:0005:0000:0000:0000:0005) send_data/sendto: Network is unreachable
> * send_data/sendto: Network is unreachable
> * send_data/sendto: Network is unreachable
> *
> |\___ prd1.azuredns-cloud.net <http://prd1.azuredns-cloud.net> 
> [azurewebsites.net <http://azurewebsites.net>] (204.79.195.43)
> |\___ prd4.azuredns-cloud.net <http://prd4.azuredns-cloud.net> 
> [azurewebsites.net <http://azurewebsites.net>] 
> (2a01:0111:2032:0001:0000:0000:0000:0005) send_data/sendto: Network is unreachable
> * send_data/sendto: Network is unreachable
> * send_data/sendto: Network is unreachable
> .
> .
> .
> <til failure>
> 
> 
> 
> 
> Anyone have any ideas how to resolve this?
> 
> 
> Robert
> 
> 
> 
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