Test results for: http://viettelmanufacturing.vn
DNS (IPv6 NS)
FAIL
Hostname viettelmanufacturing.vn does not have IPv6-addressed DNS servers.
DNS (IPv6 TLD NS)
PASS
Hostname top-level domain (vn.) does have IPv6-addressed nameservers defined.
DNS (IPv4 A Record)
PASS
Hostname viettelmanufacturing.vn does have an IPv4 A record (171.244.51.241).
DNS (IPv6 AAAA Record)
PASS
Hostname viettelmanufacturing.vn does have an IPv6 AAAA record (2401:5f80:3001:23:0:3:c0a8:1402).
DNS (MX Record)
PASS
Hostname viettelmanufacturing.vn has at least one MX with AAAA record (2401:5f80:3001:23:0:3:c0a8:1402).
DNS (Glue)
PASS
Glue does not appear to be needed; nameserver configuration for viettelmanufacturing.vn is not self-referencing.
IPv4 Connectivity
PASS
Successfully connected to viettelmanufacturing.vn on port 80 over IPv4.
IPv6 Connectivity
FAIL
Could not connect to viettelmanufacturing.vn on port 80 over IPv6.
IPv4 Literals
WARN
Could not establish connection to URL http://viettelmanufacturing.vn.