diff --git a/boards/utils.py b/boards/utils.py
--- a/boards/utils.py
+++ b/boards/utils.py
@@ -154,6 +154,9 @@ def get_domain(url: str) -> str:
     Gets domain from an URL with random number of domain levels.
     """
     levels = url.split('.')
+    if len(levels) < 2:
+        return url
+
     top = levels[-1]
     second = levels[-2]