diff --git a/pages/LotsOfLinks.md b/pages/LotsOfLinks.md
index 4daa9f1..176f565 100644
--- a/pages/LotsOfLinks.md
+++ b/pages/LotsOfLinks.md
@@ -282,6 +282,7 @@ ssh keylength `cat .ssh/id_rsa.pub | cut -c 9-60 | openssl base64 -d | hd`<br>
 [Phil Pennock's SMTP DANE TLS Checker](https://github.com/PennockTech/smtpdane)<br>
 [Flushing Chrome's DNS Cache](http://www.redsome.com/flush-clear-dns-cache-google-chrome-browser/)<br>
 [Dnsmasq-based DNS blocking](https://artemix.org/blog/dns-blocking.html)<br>
+[DNS Shotgun - Measurement](https://dns-shotgun.readthedocs.io)<br>
 
 ## RIRs
 
@@ -592,4 +593,4 @@ to false to prevent push notifications]<br>
 
 ---
 
-2021.04.28
+2021.05.03