diff --git a/containers/domain_registration_tracker/data/.gitkeep b/containers/domain_registration_tracker/data/.gitkeep
new file mode 100644
index 0000000..e69de29
diff --git a/containers/domain_registration_tracker/get_iana_registrar_ids.sh b/containers/domain_registration_tracker/get_iana_registrar_ids.sh
index 7c5d223..98d0461 100755
--- a/containers/domain_registration_tracker/get_iana_registrar_ids.sh
+++ b/containers/domain_registration_tracker/get_iana_registrar_ids.sh
@@ -1,6 +1,7 @@
 #!/usr/bin/env bash
 # This script will download the list of domain registrars from iana.org
 #
-wget -O registrar-ids.xml https://www.iana.org/assignments/registrar-ids/registrar-ids.xml
+wget -O data/registrar-ids.xml https://www.iana.org/assignments/registrar-ids/registrar-ids.xml
+wget -O data/rdap_tech_specs.pdf https://www.icann.org/en/system/files/files/rdap-technical-implementation-guide-15feb19-en.pdf
 
-cat registrar-ids.xml | xq > registrar_ids.json
+cat data/registrar-ids.xml | xq > data/registrar_ids.json