NetworkWhois Community
Category: Network
Browse by:
Why IPv6 Ping Fails, 10 Real Causes and Fixes (With Live Tests)
•By Admin User
This guide explains why IPv6 ping often fails even when a website is online, then walks through 10 real-world causes like missing AAAA records, broken IPv6 routing, ISP path issues, and ICMPv6 firewall blocks. It shows how to test correctly using a live IPv6 ping tool, how to tell DNS problems from
Read more
How to Check DNS Propagation, and What TTL Actually Does (With Live Checks)
•By Admin User
When people say “DNS propagation”, they usually mean that some DNS resolvers still have the old answer cached. If you understand TTL and how to verify what different resolvers are serving, you stop guessing and start fixing.
Read more