query our own IP only once
-rw-r--r-- 6 .gitignore
-rw-r--r-- 568 CMakeLists.txt
-rwxr-xr-x 136 checkip
-rwxr-xr-x 1107 client.py
-rw-r--r-- 3234 dyn-nsupdate.cpp
-rwxr-xr-x 817 update