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Revert "Do not forward private domains for upstream resolvers"

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This commit is contained in:
Bogdan Dobrelya
2016-12-21 15:24:17 +01:00
committed by GitHub
parent f2cf323ecf
commit f10d1327d4
3 changed files with 5 additions and 21 deletions
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10
docs/dns-stack.md
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@@ -51,13 +51,6 @@ aforementioned vars:
* Resolvconf's head/base files are disabled from populating anything into the
`/etc/resolv.conf`.
It is important to note that multiple search domains combined with high ``ndots``
values lead to poor performance of DNS stack, so please choose it wisely.
The dnsmasq DaemonSet can accept lower ``ndots`` values and return NXDOMAIN
replies for [bogus internal FQDNS](https://github.com/kubernetes/kubernetes/issues/19634#issuecomment-253948954)
before it even hits the kubedns app. This enables dnsmasq to serve as a
protective, but still recursive resolver in front of kubedns.
DNS configuration details
-------------------------
@@ -113,7 +106,8 @@ Limitations
[no way to specify a custom value](https://github.com/kubernetes/kubernetes/issues/33554)
for the SkyDNS ``ndots`` param via an
[option for KubeDNS](https://github.com/kubernetes/kubernetes/blob/master/cmd/kube-dns/app/options/options.go)
add-on, while SkyDNS supports it though.
add-on, while SkyDNS supports it though. Thus, DNS SRV records may not work
as expected as they require the ``ndots:7``.
* the ``searchdomains`` have a limitation of a 6 names and 256 chars
length. Due to default ``svc, default.svc`` subdomains, the actual