SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
SSL/TLS Certificate for yetiz.nl
Valid- Issued by (CA)
- Asseco Data Systems S.A.
- Subject
- yetiz.nl
- Valid from
- Feb 17, 2026
- Valid until
- Feb 17, 2027 (153 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 794D675855128B737EB9861C36402EAC
- SHA-256 fingerprint
- 67:0A:A5:C8:B5:95:48:C8:D0:9A:96:3B:36:5D:C1:8F:BD:34:34:3F:F1:1A:E2:D5:A3:94:C0:A3:D3:A5:19:39
- 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.
This certificate has been served since Aug 10, 2026.
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Uptime
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DNS changes
We watch NS, MX, CAA, DNSSEC, CNAME and A/AAAA records, and identify the host, network, and ASN behind them, so a real migration or hijack stands out from routine noise.
TLS certificate
We warn you 30, 14, 7, and 1 days before it expires, and flag it if the issuing authority changes or the certificate is unexpectedly replaced.
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