Test results for: http://pokrov-city.ru/kraken-05.html
DNS (IPv6 NS)
PASS
Hostname pokrov-city.ru does have IPv6-addressed nameservers defined.
DNS (IPv6 TLD NS)
PASS
Hostname top-level domain (ru.) does have IPv6-addressed nameservers defined.
DNS (IPv4 A Record)
PASS
Hostname pokrov-city.ru does have an IPv4 A record (104.21.16.127, 172.67.212.180).
DNS (IPv6 AAAA Record)
PASS
Hostname pokrov-city.ru does have an IPv6 AAAA record (2606:4700:3031::6815:107f, 2606:4700:3037::ac43:d4b4).
DNS (MX Record)
WARN
Hostname pokrov-city.ru does not have MX records.
DNS (Glue)
PASS
Glue does not appear to be needed; nameserver configuration for pokrov-city.ru is not self-referencing.
IPv4 Connectivity
PASS
Successfully connected to pokrov-city.ru on port 80 over IPv4.
IPv6 Connectivity
PASS
Successfully connected to pokrov-city.ru on port 80 over IPv6.
IPv4 Literals
WARN
Could not establish connection to URL http://pokrov-city.ru/kraken-05.html.