diff --git a/examples/dns.c b/examples/dns.c
new file mode 100644
index 0000000..93b056c
--- /dev/null
+++ b/examples/dns.c
@@ -0,0 +1,36 @@
+#include "../hammer.h"
+
+bool is_zero(parse_result_t *p) {
+
+}
+
+int main(int argc, char **argv) {
+
+  const parser_t dns_header = sequence(bits(16), // ID
+				       bits(1),  // QR
+				       bits(4),  // opcode
+				       bits(1),  // AA
+				       bits(1),  // TC
+				       bits(1),  // RD
+				       bits(1),  // RA
+				       ignore(attr_bool(bits(3), is_zero)), // Z
+				       bits(4),  // RCODE
+				       uint16(), // QDCOUNT
+				       uint16(), // ANCOUNT
+				       uint16(), // NSCOUNT
+				       uint16(), // ARCOUNT
+				       NULL);
+
+  const parser_t *dns_question = sequence(;
+
+  bool validate_dns(parse_result_t *p) {
+
+  }
+
+  const parser_t *dns_message = attr_bool(sequence(dns_header,
+						   many(dns_question),
+						   many(dns_answer),
+						   many(dns_authority),
+						   many(dns_additional),
+						   NULL),
+					  validate_dns);