diff --git a/priv/lowercase.py b/priv/lowercase.py
index f2971f3..6c8ee60 100755
--- a/priv/lowercase.py
+++ b/priv/lowercase.py
@@ -4,5 +4,7 @@ from urllib.request import urlopen
 
 tlds = urlopen('https://data.iana.org/TLD/tlds-alpha-by-domain.txt').read().decode('utf8')
 
+tlds += "\n" +  urlopen('https://cdn.froth.zone/opennic-alpha-by-domain.txt').read().decode('utf8')
+
 for line in tlds.splitlines():
     print(line.lower())
diff --git a/priv/tlds.txt b/priv/tlds.txt
index 8dfad24..4a8d7fe 100644
--- a/priv/tlds.txt
+++ b/priv/tlds.txt
@@ -1,4 +1,4 @@
-# version 2023011000, last updated tue jan 10 07:07:01 2023 utc
+# version 2023012000, last updated fri jan 20 07:07:01 2023 utc
 aaa
 aarp
 abarth
@@ -1480,3 +1480,33 @@ zm
 zone
 zuerich
 zw
+
+# opennic version 2023012000
+# spdx-license-identifier: cc0-1.0
+bbs
+chan
+cyb
+dyn
+epic
+geek
+gopher
+indy
+libre
+neo
+null
+o
+oss
+oz
+parody
+pirate
+bazar
+coin
+emc
+lib
+fur
+ku
+te
+ti
+uu
+ko
+rm