add ipv6 loopback example (#2223)

This commit is contained in:
Chris O'Haver 2018-10-22 13:30:42 -04:00 committed by Miek Gieben
parent 6539a10a62
commit 85e5ab77d6

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@ -55,7 +55,7 @@ memory and CPU until eventual out of memory death by the host.
A forwarding loop is usually caused by: A forwarding loop is usually caused by:
* Most commonly, CoreDNS forwarding requests directly to itself. e.g. to `127.0.0.1` or `127.0.0.53` * Most commonly, CoreDNS forwarding requests directly to itself. e.g. via a loopback address such as `127.0.0.1`, `::1` or `127.0.0.53`
* Less commonly, CoreDNS forwarding to an upstream server that in turn, forwards requests back to CoreDNS. * Less commonly, CoreDNS forwarding to an upstream server that in turn, forwards requests back to CoreDNS.
To troubleshoot this problem, look in your Corefile for any `proxy` or `forward` to the zone To troubleshoot this problem, look in your Corefile for any `proxy` or `forward` to the zone