diff --git a/rtfd/dns+pgp b/rtfd/dns+pgp
new file mode 100644
index 0000000..1ccd88e
--- /dev/null
+++ b/rtfd/dns+pgp
@@ -0,0 +1,15 @@
+echo -n 'marc' | sha256sum | cut --characters 1-56
+._openpgpkey IN OPENPGPKEY (
+gpg --armor --export 1DBD5EC4BADA5579 | grep --invert-match '\(^$\|-\)' | tr --delete '\n'
+)
+
+gpg --export-options export-dane --export 1DBD5EC4BADA5579 | tr --delete '\t'
+
+
+
+hash-slinger
+openpgpkey --create marc@beninca.link \
+| grep --invert-match '^;' \
+| awk '{print $4}' \
+| base64 --decode \
+| gpg --list-packets