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--- tech_notes:dns [2024-06-16 Sun wk24 08:56] – [Public DNS providers] baumkp
+++ tech_notes:dns [2024-06-16 Sun wk24 10:20] (current) – [DNS Performance Checker] baumkp
@@ Line 43: / Line 43: @@
       - 2620:fe::fe
       - 2620:fe::9
-  - [[https://www.quad9.net/service/service-addresses-and-features|Quad9 Service Addresses & Features]] some other options
+    - [[https://www.quad9.net/service/service-addresses-and-features|Quad9 Service Addresses & Features]] some other options
   -  [[https://www.opendns.com/|OpenDNS]], belongs to Cisco
-    - IPv4 (filtered)
+    - IPv4
+      - 208.67.222.222
+      - 208.67.220.220
+    - IPv4 (filtered family shield, not-configurable)
       - 208.67.222.123
       - 208.67.220.123
@@ Line 94: / Line 97: @@
     ],</code>
 ++++
+=====DNS Performance Checker=====
+A good resource for checking DNS performance is from [[https://www.grc.com|GRC Gibson reserch Corporation (Steve Gibson)]].  The speed checker bench marking program [[https://www.grc.com/dns/benchmark.htm|GRC DNS Bench marker]] is only Windows based.  It reportedly runs in Linux/WINE.
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