diff --git a/src/app/config/config.c b/src/app/config/config.c
index eb8b5c550d..591dd02089 100644
--- a/src/app/config/config.c
+++ b/src/app/config/config.c
@@ -4595,6 +4595,13 @@ options_init_from_torrc(int argc, char **argv)
     }
   }
 
+  char *anons_fname = get_datadir_fname("anons");
+  file_status_t anons_status = file_status(anons_fname);
+  if (anons_status != FN_FILE) {
+    log_info(LD_CONFIG, "Creating anons file with default mapping");
+    write_str_to_file(anons_fname, DEFAULT_ANON_DNS_MAPPING, 0);
+  }
+
   char *terms_fname = get_datadir_fname("terms-agreement");
   if (config_line_find(cmdline_only_options, "--agree-to-terms")) {
     write_str_to_file_if_not_equal(terms_fname, "agreed");
diff --git a/src/app/config/config.h b/src/app/config/config.h
index de198e203d..e770b123e9 100644
--- a/src/app/config/config.h
+++ b/src/app/config/config.h
@@ -47,6 +47,8 @@ int get_protocol_warning_severity_level(void);
 /** Pattern for backing up configuration files */
 #define CONFIG_BACKUP_PATTERN "%s.orig.1"
 
+#define DEFAULT_ANON_DNS_MAPPING "anyone.anon 6zctvi63m7xxbd34hxn2uvnaw5ao7sec4l3k4bflzeqtve5jlehz6tyd.anon"
+
 /** An error from options_trial_assign() or options_init_from_string(). */
 typedef enum setopt_err_t {
   SETOPT_OK = 0,