DANE Validation

Host / Domain:smtp.alfa-system.pl
Last checked:2022-10-03 18:14:44 UTC
Secure (DNSSEC):Yes
HTTPS (443)
TLSA present:Yes
TLSA valid:Yes
Validated
DANE-EE  Domain-issued certificate
Cert  Full certificate
SHA2-512  512 bit hash by SHA2
935CF94054FC53CE0643997112C0DE more...
A3BD2BD302754AAA694AE421621615C684B7608E
8C203D41A47447EB60845A893DC1EA455ED70C1F
58940C757A7DEB4075
Validated
DANE-EE  Domain-issued certificate
SPKI  SubjectPublicKeyInfo
SHA2-256  256 bit hash by SHA2
8B754CE2675A6733F98E9F66748523 more...
FDEF855BF05E441FFC80E3605E1785C85C
Validated
DANE-EE  Domain-issued certificate
Cert  Full certificate
SHA2-256  256 bit hash by SHA2
1FDDC94AB5246B49CED967493E73B4 more...
B5189BF1D8EE316DE908B2F92450D8A451
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 CA
Certum CA
Well-known root CA:Yes