digns

.bashrc

@@ -216,3 +216,21 @@ download-random-pypi-proj()
     cd /tmp/$TMP
     wget "$ARCHIVE_URL"
 }
+
+digns()
+{
+    local SOA=""
+    local name="$1"
+
+    while [ -z "$SOA" ]
+    do
+        SOA="$(dig SOA "$name" | awk '/^[^;].*SOA/{print $1}')"
+        name="$(printf "%s" "$name" | sed 's/^[^.]\+\.//')"
+        if [[ -z "$SOA" ]] && ! [[ "$name" =~ \. ]]
+        then
+            printf "Cannot find SOA for %s.\n" "$1" >&2
+            return 1
+        fi
+    done
+    dig "@$(dig NS "$SOA" +short | head -n 1)" "$@"
+}