SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
uutan.com
SSL/TLS Certificate
SSL/TLS Certificate for uutan.com
Hostname mismatch- Issued by (CA)
- GlobalSign nv-sa
- Subject
- *.gmoserver.jp
- Valid from
- Nov 10, 2025
- Valid until
- Dec 12, 2026 (142 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 78A26E368B0F989247227986
- SHA-256 fingerprint
- 6C:3D:D6:0D:BD:44:AF:C7:F8:F9:2C:09:D6:87:55:63:12:5C:56:BC:AC:5B:5A:3E:9D:2B:AE:14:13:FA:18:35
- Chain
- GlobalSign GCC R3 DV TLS CA 2020 → GlobalSign
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.
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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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