diff --git a/domgrep.py b/domgrep.py
new file mode 100755
index 0000000..c03e932
--- /dev/null
+++ b/domgrep.py
@@ -0,0 +1,17 @@
+#!/usr/bin/env python3
+import re
+import sys
+from urllib.parse import urlparse
+
+pattern=re.compile(r'\d+\.\d+\.\d+\.\d+')
+for line in sys.stdin:
+    line=line.strip()
+    if not line.lower().startswith('http'):
+        line="http://"+line
+    try:
+        p=urlparse(line)
+        if not pattern.search(p.netloc):
+            print(p.netloc)
+    except Exception as e:
+        print(e)
+        pass