IP Check Public dual-stack test Online --:--:-- UTC

Website diagnostics

Check IPv6 reachability without guesswork.

Enter a public website and see whether IPv4 and IPv6 both resolve, connect, negotiate TLS, and return a first byte from this server.

HTTP and HTTPS targets on ports 80 and 443. Private addresses are blocked.

Ready for a public website.

Result

No check yet

Run a check to compare IPv4 and IPv6 from this server.

Results appear here after a check.

IPv4 path

IPv4

ms

total time

DNS
TCP
TLS
TTFB

record(s)

IPv6 path

IPv6

ms

total time

DNS
TCP
TLS
TTFB

record(s)