- Plesk Onyx
The tool updown.io shows following error for domain example.com:
PLESK_INFO: ▼ Connection Timeout (10 s) [IPv6]
▲ 200 OK (418 ms) 203.0.113.2 [IPv4]
IPv6 configured for domain example.com
Impossible to access server via IPv6 address http://[2001:db8:f61:a1ff:0:0:0:80]
mtp or traceroute utilities show big packet losses on the side of hosting provider:
# traceroute 2001:db8:f61:a1ff:0:0:0:80
traceroute to 2001:db8:f61:a1ff:0:0:0:80 (2001:db8:f61:a1ff:0:0:0:80), 30 hops max, 80 byte packets
1 hosting-provider.com 99.183 ms 100.720 ms 100.694 ms
2 hosting-provider.com 103.616 ms 105.146 ms 105.105 ms
3 * * *
4 * * *
IPv6 is blocked by the hosting provider.
Contact hosting provider to resolve the issue.