diff --git a/pages/common/dig.md b/pages/common/dig.md
index f6e334965..301f8dee7 100644
--- a/pages/common/dig.md
+++ b/pages/common/dig.md
@@ -30,3 +30,7 @@
 - Perform iterative queries and display the entire trace path to resolve a domain name:
 
 `dig +trace {{example.com}}`
+
+- Query a DNS server over a non-standard [p]ort using the TCP protocol:
+
+`dig +tcp -p {{port}} @{{dns_server_ip}} {{example.com}}`