diff --git a/google/downloader.sh b/google/downloader.sh
index c8400faa..0ac4298a 100755
--- a/google/downloader.sh
+++ b/google/downloader.sh
@@ -1,8 +1,10 @@
 #!/bin/bash
 
+# https://support.google.com/a/answer/60764
 # https://cloud.google.com/compute/docs/faq#find_ip_range
 # From: https://github.com/pierrocknroll/googlecloud-iprange/blob/master/list.sh
 # From: https://gist.github.com/jeffmccune/e7d635116f25bc7e12b2a19efbafcdf8
+# From: https://gist.github.com/n0531m/f3714f6ad6ef738a3b0a
 
 set -euo pipefail
 set -x
@@ -21,6 +23,23 @@ while [[ -n "${txt}" ]]; do
   ((idx++))
 done
 
+# get from other netblocks
+get_dns_spf() {
+   dig @8.8.8.8 +short txt "$1" |
+   tr ' ' '\n' |
+   while read entry; do
+      case "$entry" in
+             ip4:*) echo "${entry#*:}" ;;
+             ip6:*) echo "${entry#*:}" ;;
+         include:*) get_dns_spf "${entry#*:}" ;;
+      esac
+   done
+}
+
+get_dns_spf "_cloud-netblocks.googleusercontent.com" >> /tmp/netblocks.txt
+get_dns_spf "_spf.google.com" >> /tmp/netblocks.txt
+
+
 
 # save ipv4
 grep -v ':' /tmp/goog.txt > /tmp/google-ipv4.txt