diff --git a/undelegated.txt b/undelegated.txt
new file mode 100644
index 0000000..0c34abd
--- /dev/null
+++ b/undelegated.txt
@@ -0,0 +1,47 @@
+1
+10.in-addr.arpa
+127.in-addr.arpa
+16.172.in-addr.arpa
+168.192.in-addr.arpa
+f.f.ip6.arpa
+8.e.f.ip6.arpa
+airdream
+api
+bbrouter
+belkin
+blinkap
+corp
+davolink
+dearmyrouter
+dhcp
+dlink
+domain
+envoy
+example
+grp
+gw==
+home
+hub
+internal
+intra
+invalid
+ksyun
+lan
+loc
+local
+localdomain
+localnet
+modem
+mynet
+myrouter
+novalocal
+openstacklocal
+priv
+prv
+router
+telus
+test
+totolink
+wlan_ap
+workgroup
+zghjccbob3n0