diff --git a/tools/update-tld-data.sh b/tools/update-tld-data.sh
new file mode 100644
index 000000000..e986d750c
--- /dev/null
+++ b/tools/update-tld-data.sh
@@ -0,0 +1,10 @@
+#!/bin/sh
+
+wget 'https://data.iana.org/TLD/tlds-alpha-by-domain.txt' -O tmp1.txt
+sed '1d' tmp1.txt > tmp2.txt
+sed -e 's/\(.*\)/\L\1/' tmp2.txt > tmp3.txt
+sed -n -e '/^xn--/p' tmp3.txt > tmp4.txt
+sed 's/^\(xn--\)*//' <tmp4.txt | idn -d > tmp5.txt
+cat tmp3.txt tmp5.txt > tmp6.txt
+sed -E ':a;N;$!ba;s/\r{0,1}\n/|/g' tmp6.txt > ../resources/tlds.txt
+rm tmp*.txt