SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
kabu-takeda.com
SSL/TLS Certificate
SSL/TLS Certificate for kabu-takeda.com
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- www.kabu-takeda.com
- Valid from
- Nov 4, 2026
- Valid until
- Feb 2, 2027 (84 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 06B89D5DC87826BDE573F52DFD7194D33922
- SHA-256 fingerprint
- 05:3A:1D:97:31:DB:B7:2C:58:7E:D4:ED:71:48:8F:A8:51:E2:92:AC:56:5C:AF:40:73:0A:01:38:7F:94:97:91
- Chain
- YR2 → 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 1 previous certificate for this host. This certificate has been served since Sep 30, 2026.
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Uptime
We visit the site from multiple regions worldwide and email you within minutes if it goes down, with a per-region breakdown so a real outage stands out from a regional blip.
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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