diff --git a/useful_commands_and_scripts/host_DNS_enum.sh b/useful_commands_and_scripts/host_DNS_enum.sh
new file mode 100644
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--- /dev/null
+++ b/useful_commands_and_scripts/host_DNS_enum.sh
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+# quick script to get IP addresses from a predefined domain list text file.
+
+#create a file called domains.txt and exec the following one-liner script.
+for url in $(cat domains.txt); do host $url; done | grep "has address" | cut -d " " -f 4 | sort -u