diff --git a/lg.py b/lg.py
index 728d6d8..0408641 100644
--- a/lg.py
+++ b/lg.py
@@ -32,7 +32,7 @@ import random
 import re
 import subprocess
 
-from toolbox import mask_is_valid, ipv6_is_valid, ipv4_is_valid, resolve, save_cache_pickle, load_cache_pickle, get_asname_from_whois, unescape
+from toolbox import mask_is_valid, ipv6_is_valid, ipv4_is_valid, resolve, resolve_ptr, save_cache_pickle, load_cache_pickle, get_asname_from_whois, unescape
 
 from dns.resolver import NXDOMAIN
 from flask import Flask, render_template, jsonify, redirect, session, request, abort, Response, Markup