SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
so-wa.com
SSL/TLS Certificate
SSL/TLS Certificate for so-wa.com
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- www.so-wa.com
- Valid from
- Oct 5, 2026
- Valid until
- Jan 3, 2027 (79 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 0635B56E16AB1682ECCF9FEBE03E9A83F5CB
- SHA-256 fingerprint
- 10:17:EC:68:0A:B0:C0:26:14:22:CF:1C:02:6E:BB:94:2E:31:21:E9:4E:D8:80:0D:7A:10:F1:38:D5:80:A6:E6
- 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.
This certificate has been served since Sep 26, 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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