Publishes IPv6 but doesn't answer on it — worse than having none.
Website over IPv6 trezor.casa's AAAA record points at an address that isn't on the public internet, so IPv6 visitors can't reach it.
✗ ::1 not public
broken
www over IPv6 www.trezor.casa's AAAA record points at an address that isn't on the public internet, so IPv6 visitors can't reach it.
✗ ::1 not public
broken
Mail servers (MX) have IPv6 None of the mail servers has an AAAA record.
localhost ✗
no
Nameservers have IPv6 Couldn't find this domain's nameservers.
?
What's keeping trezor.casa from an A
Fix or remove the AAAA record for trezor.casa Something published an IPv6 address but nothing answers on it, so IPv6 visitors wait for a timeout first. Either make the server listen on IPv6 (and allow ports 443/80 through its firewall), or delete the AAAA record until it does.
Fix or remove the AAAA record for www.trezor.casa Something published an IPv6 address but nothing answers on it, so IPv6 visitors wait for a timeout first. Either make the server listen on IPv6 (and allow ports 443/80 through its firewall), or delete the AAAA record until it does.
Mail servers without IPv6 localhost has no AAAA record, so mail from IPv6-only servers can't reach it directly. If a provider runs your mail, that's their setting; if you run it, add AAAA records for these hosts.