SSL/TLS Certificate Lookup

Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted

masterinter.net

SSL/TLS Certificate

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SSL/TLS Certificate for masterinter.net

Hostname mismatch
Issued by (CA)
Asseco Data Systems S.A.
Subject
*.master.cz
Valid from
Jul 9, 2026
Valid until
Jan 24, 2027 (186 days remaining)
Public key
RSA 2048-bit
Serial
08BD85F86939163889D11E070A6D5021
SHA-256 fingerprint
3C:F4:F5:AD:89:98:BA:22:98:70:43:38:00:BC:B3:80:81:52:10:D5:26:2D:CF:67:95:3D:AE:E6:03:0F:FE:D1
Chain
Certum DV TLS G2 R39 CA → Certum Trusted Root CA → Certum Trusted Network CA
Subject Alternative Names (2)
*.master.cz, master.cz

Certificate Authority Authorization (CAA)

No CAA policy is published for this domain — any certificate authority may issue for it.