SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
a-kapital.com
SSL/TLS Certificate
SSL/TLS Certificate for a-kapital.com
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- a-kapital.com
- Valid from
- Oct 28, 2026
- Valid until
- Jan 26, 2027 (77 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 0518CD2BAFEBDDBDE9BC2088FA8D668703C5
- SHA-256 fingerprint
- B4:16:F2:ED:67:D6:7F:C8:FE:77:C5:03:ED:4A:2E:67:02:28:9F:DA:7F:09:64:53:54:E7:55:54:FA:F3:97:D6
- 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 9, 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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