SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
gromnik.pl
SSL/TLS Certificate
SSL/TLS Certificate for gromnik.pl
Valid- Issued by (CA)
- Asseco Data Systems S.A.
- Subject
- *.gromnik.pl
- Valid from
- Mar 27, 2026
- Valid until
- Oct 12, 2026 (83 days remaining)
- Public key
- RSA 4096-bit
- Serial
- 61B0A02D0114EDFB1858850D4EDA7B5C
- SHA-256 fingerprint
- 9E:BA:C8:EE:B1:A8:C7:A4:53:D4:CE:7E:AC:BB:3D:FD:7A:23:B7:1A:F6:14:56:E3:6F:67:1A:B9:B6:B2:4E:90
- Chain
- Certum DV TLS G2 R39 CA → Certum Trusted Root CA
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.