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-rw-r--r--middleware/secondary/secondary.go2
1 files changed, 2 insertions, 0 deletions
diff --git a/middleware/secondary/secondary.go b/middleware/secondary/secondary.go
index 60006b69c..c0d101f7c 100644
--- a/middleware/secondary/secondary.go
+++ b/middleware/secondary/secondary.go
@@ -2,6 +2,8 @@ package secondary
import "github.com/miekg/coredns/middleware/file"
+// Secondary implements a secondary middleware that allows CoreDNS to retrieve (via AXFR)
+// zone information from a primary server.
type Secondary struct {
file.File
}