diff --git a/respodns/checks.py b/respodns/checks.py
index 278144d..395f249 100644
--- a/respodns/checks.py
+++ b/respodns/checks.py
@@ -38,6 +38,7 @@ checks = order_by_failures([
     Check("common",         "duckduckgo.com", 78),
     Check("common",         "ebay.com", 4),
     Check("common",         "en.wikipedia.org", 75),
+    Check("common",         "example.com", 0),
     Check("common",         "facebook.com", 94),
     Check("common",         "google.com", 69),
     Check("common",         "naver.com", 57),
@@ -64,6 +65,7 @@ checks = order_by_failures([
     Check("porn",           "pornhub.com", 151),
     Check("porn",           "xvideos.com", 23),
     Check("shock",          rot13("tbng.pk"), 209),
+    Check("shock",          rot13("ebggra.pbz"), 0),
     Check("uncommon",       "cybre.space", 88),
     Check("uncommon",       "react.uni-saarland.de", 74),
     Check("usercontent",    "4chan.org", 116),