diff --git a/src/resolve/resolved-dns-dnssec.c b/src/resolve/resolved-dns-dnssec.c
index 5dbfbc94c7..5a0540568c 100644
--- a/src/resolve/resolved-dns-dnssec.c
+++ b/src/resolve/resolved-dns-dnssec.c
@@ -22,8 +22,9 @@
 /* Permit a maximum clock skew of 1h 10min. This should be enough to deal with DST confusion */
 #define SKEW_MAX (1*USEC_PER_HOUR + 10*USEC_PER_MINUTE)
 
-/* Maximum number of NSEC3 iterations we'll do. RFC5155 says 2500 shall be the maximum useful value */
-#define NSEC3_ITERATIONS_MAX 2500
+/* Maximum number of NSEC3 iterations we'll do. RFC5155 says 2500 shall be the maximum useful value, but
+ * RFC9276 § 3.2 says that we should reduce the acceptable iteration count */
+#define NSEC3_ITERATIONS_MAX 100
 
 /*
  * The DNSSEC Chain of trust: