fix(model): TXT сравнивается байт-точно (без схлопывания пробелов)

2026-07-03 12:57:24 +07:00
parent 9b38f081f4
commit b50972f38d
2 changed files with 11 additions and 2 deletions
@@ -54,10 +54,11 @@ func normalizeName(name string) string {

 // normalizeValue canonicalizes a single RR value for comparison.
 func normalizeValue(t RecordType, content string) string {
+	if t == TXT {
+		return content // byte-exact — case and whitespace are significant (DKIM/SPF/DMARC)
+	}
 	c := strings.Join(strings.Fields(content), " ") // collapse whitespace
 	switch t {
-	case TXT:
-		return c // case-sensitive — keep as is
 	case MX:
 		parts := strings.SplitN(c, " ", 2)
 		if len(parts) == 2 {