IPv6 Test
Test IPv6 reachability and latency for any address or hostname using distributed probes.
Frequently Asked Questions
What is IPv6?
IPv6 (Internet Protocol version 6) is the latest version of the Internet Protocol (IP), designed to replace IPv4 due to address exhaustion. While IPv4 uses 32-bit addresses (approximately 4.3 billion unique addresses), IPv6 uses 128-bit addresses, providing approximately 340 undecillion unique addresses — enough for every device on Earth to have its own public IP address.
Example IPv6 address: 2001:0db8:85a3:0000:0000:8a2e:0370:7334
Why is IPv6 adoption important?
IPv6 adoption is crucial for several reasons:
- Address exhaustion: IPv4 has run out of available addresses, limiting internet growth
- No NAT required: Every device can have a unique public IP, enabling true end-to-end connectivity
- Built-in security: IPsec support is mandatory in IPv6, providing better security
- Simplified header: More efficient routing and processing by network devices
- Auto-configuration: Devices can automatically configure themselves without DHCP servers
- Better multicast: Improved efficiency for streaming and broadcasting data
How do I test if my website supports IPv6?
To test if your website supports IPv6, simply enter your domain name (e.g., example.com) into the IPv6 Test tool above. The tool will perform DNS lookups for AAAA records (IPv6 addresses) and attempt to connect to your server over IPv6 from multiple global locations. If your domain has a valid AAAA record and responds to IPv6 connections, the test will show successful reachability. If not, you'll need to configure IPv6 on your server and add AAAA records to your DNS configuration.