SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
aisaka-shounika.com
SSL/TLS Certificate
SSL/TLS Certificate for aisaka-shounika.com
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- aisaka-shounika.com
- Valid from
- Oct 15, 2026
- Valid until
- Jan 13, 2027 (64 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 06C6C1413647970DAF99B432FBB4CAE1430B
- SHA-256 fingerprint
- F3:AD:7B:6F:2C:B9:ED:66:4B:C7:43:69:01:11:24:BA:8C:47:FE:02:87:BB:13:9F:98:7D:07:96:F2:3F:B2:EE
- Chain
- YR1 → Root YR → ISRG Root X1
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.
We've observed 2 previous certificates for this host. This certificate has been served since Oct 23, 2026.
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Uptime
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DNS changes
We watch NS, MX, CAA, CNAME, TXT 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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