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package file
import (
"github.com/coredns/coredns/plugin/file/tree"
"github.com/miekg/dns"
)
// ClosestEncloser returns the closest encloser for qname.
func (z *Zone) ClosestEncloser(qname string) (*tree.Elem, bool) {
offset, end := dns.NextLabel(qname, 0)
for !end {
elem, _ := z.Tree.Search(qname)
if elem != nil {
return elem, true
}
qname = qname[offset:]
offset, end = dns.NextLabel(qname, offset)
}
return z.Tree.Search(z.origin)
}
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