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16 lines
311 B
Go
16 lines
311 B
Go
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package dnsutil
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import "github.com/miekg/dns"
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// DuplicateCNAME returns true if r already exists in records.
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func DuplicateCNAME(r *dns.CNAME, records []dns.RR) bool {
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for _, rec := range records {
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if v, ok := rec.(*dns.CNAME); ok {
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if v.Target == r.Target {
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return true
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}
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}
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}
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return false
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}
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