SSL Checker
Submit the Hostname and Port in the fields below. This checker supports SNI and STARTTLS.
443 port seems to be filtered, check your firewall/server configuration.
DNS Information
| Resolves To: | 42.112.21.5 |
| Reverse IP lookup: | No records found |
| Nameserver: | nsbak.dotvndns.com. |
| Nameserver: | ns1.dotvndns.vn. |
| Nameserver: | ns2.dotvndns.vn. |