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Diffstat (limited to 'plugin/secondary/README.md')
| -rw-r--r-- | plugin/secondary/README.md | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/plugin/secondary/README.md b/plugin/secondary/README.md index 59ac23aea..48ba97cd3 100644 --- a/plugin/secondary/README.md +++ b/plugin/secondary/README.md @@ -23,18 +23,16 @@ A working syntax would be: secondary [zones...] { transfer from ADDRESS transfer to ADDRESS - upstream [ADDRESS...] + upstream } ~~~ * `transfer from` specifies from which address to fetch the zone. It can be specified multiple times; if one does not work, another will be tried. * `transfer to` can be enabled to allow this secondary zone to be transferred again. -* `upstream` defines upstream resolvers to be used resolve external names found (think CNAMEs) - pointing to external names. This is only really useful when CoreDNS is configured as a proxy, for - normal authoritative serving you don't need *or* want to use this. **ADDRESS** can be an IP - address, and IP:port or a string pointing to a file that is structured as /etc/resolv.conf. - If no **ADDRESS** is given, CoreDNS will resolve CNAMEs against itself. +* `upstream` resolve external names found (think CNAMEs) pointing to external names. This is only + really useful when CoreDNS is configured as a proxy; for normal authoritative serving you don't + need *or* want to use this. CoreDNS will resolve CNAMEs against itself. When a zone is due to be refreshed (Refresh timer fires) a random jitter of 5 seconds is applied, before fetching. In the case of retry this will be 2 seconds. If there are any errors |