Properly round the TTL
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@ -196,7 +196,7 @@ func updateTTL(msg *dns.Msg, expiration time.Time) {
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ttl := uint32(0)
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if until > 0 {
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ttl = uint32(until / time.Second)
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if until-time.Duration(ttl)*time.Second < until/2 {
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if until-time.Duration(ttl)*time.Second >= time.Second/2 {
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ttl += 1
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}
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}
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