diff --git a/src/resolve/resolved-dns-question.c b/src/resolve/resolved-dns-question.c
index 047170899db..ef409326304 100644
--- a/src/resolve/resolved-dns-question.c
+++ b/src/resolve/resolved-dns-question.c
@@ -445,3 +445,21 @@ int dns_question_new_service(
 
         return 0;
 }
+
+/*
+ * This function is not used in the code base, but is useful when debugging. Do not delete.
+ */
+void dns_question_dump(DnsQuestion *question, FILE *f) {
+        DnsResourceKey *k;
+
+        if (!f)
+                f = stdout;
+
+        DNS_QUESTION_FOREACH(k, question) {
+                char buf[DNS_RESOURCE_KEY_STRING_MAX];
+
+                fputc('\t', f);
+                fputs(dns_resource_key_to_string(k, buf, sizeof(buf)), f);
+                fputc('\n', f);
+        }
+}
diff --git a/src/resolve/resolved-dns-question.h b/src/resolve/resolved-dns-question.h
index a6444b0baf9..8f9a84c82d9 100644
--- a/src/resolve/resolved-dns-question.h
+++ b/src/resolve/resolved-dns-question.h
@@ -33,6 +33,8 @@ int dns_question_is_equal(DnsQuestion *a, DnsQuestion *b);
 
 int dns_question_cname_redirect(DnsQuestion *q, const DnsResourceRecord *cname, DnsQuestion **ret);
 
+void dns_question_dump(DnsQuestion *q, FILE *f);
+
 const char *dns_question_first_name(DnsQuestion *q);
 
 static inline size_t dns_question_size(DnsQuestion *q) {