| Host / Domain | : | smtp.alfa-system.pl |
| Last checked | : | 2023-09-23 11:23:41 UTC |
| Secure (DNSSEC) | : | Yes |
| | |
| HTTPS (443) |
|---|
| TLSA present | : | Yes |
| TLSA valid | : | Yes |
| |
| Validated |
| DANE-EE | | Domain-issued certificate |
| Cert | | Full certificate |
| SHA2-256 | | 256 bit hash by SHA2 |
| FBD3462807C824F89A0A8A8C2456B9 more... |
| 79F25128976007861122979CF639A2F180 |
|
| |
| Validated |
| DANE-EE | | Domain-issued certificate |
| SPKI | | SubjectPublicKeyInfo |
| SHA2-256 | | 256 bit hash by SHA2 |
| 2F669363305C634EBEDB3B5870BEA6 more... |
| 233F635DA37E27B149433FFB958266CAEA |
|
| |
| Validated |
| DANE-EE | | Domain-issued certificate |
| Cert | | Full certificate |
| SHA2-512 | | 512 bit hash by SHA2 |
| 876998F93ADC0BA0DA63F21551FDD5 more... |
| AA3E1BEC1427CDC21ABB8DCABE9C4B662DF82B5C |
| 45EC15BB6032217840585DBD9CD64997528DDCC7 |
| F05E50C53E5ED1AA77 |
|
| Server certificate | : |
| *.alfa-system.pl |
| DNS:*.alfa-system.pl |
| DNS:alfa-system.pl |
|
| Certificate valid | : | Yes |
| Certificate Authorities | : |
| Certum Domain Validation CA SHA2 |
| Certum Trusted Network CA |
| Certum Trusted Network CA |
|
| Well-known root CA | : | Yes |
| | |
