SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
xn--extraknck-12a.se
SSL/TLS Certificate
SSL/TLS Certificate for xn--extraknck-12a.se
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- xn--extraknck-12a.se
- Valid from
- Nov 4, 2026
- Valid until
- Feb 2, 2027 (88 days remaining)
- Public key
- EC 256-bit
- Serial
- 064D5105B4702840EA194DE2410D441A36C0
- SHA-256 fingerprint
- 2C:5C:F9:80:4C:68:B8:76:6D:42:E2:34:AD:F6:20:F9:BF:A9:40:E5:C8:8C:3A:1E:70:57:FD:97:98:FF:F2:4C
- Chain
- YE2 → Root YE → ISRG Root X2 → 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 Oct 10, 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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