1 files changed, 1 insertions(+), 1 deletions(-)

M internal/dns/query.go

@@ 28,7 28,7 @@ func handleARecord(q *dns.Question, m *dns.Msg, r *dns.Msg) {
 	slog.Info("A Record Query", slog.String("qname", q.Name))
 
 	if index := strings.IndexByte(q.Name, '.'); index >= 0 {
-		aRecord, err := db.FetchDomainARecord(q.Name[:index])
+		aRecord, err := db.FetchDomainARecord(strings.ToLower(q.Name[:index]))
 		if err != nil {
 			m.SetRcode(r, dns.RcodeNameError)
 		} else {