SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
web-durstnorth.com
SSL/TLS Certificate
SSL/TLS Certificate for web-durstnorth.com
Valid- Issued by (CA)
- ZeroSSL GmbH
- Subject
- web-durstnorth.com
- Valid from
- Oct 13, 2026
- Valid until
- Jan 11, 2027 (86 days remaining)
- Public key
- EC 384-bit
- Serial
- 387C15976F9D1E6AC4CFCE6DF57D2030
- SHA-256 fingerprint
- D3:72:EA:6A:68:E0:52:83:9C:85:9F:E3:AD:3D:6A:A9:6F:1C:FC:E2:E6:86:62:3A:1B:8E:E1:AB:2A:31:9C:2B
- Chain
- ZeroSSL ECC DV SSL CA 2 → Sectigo Public Server Authentication Root E46 → USERTrust ECC Certification Authority
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.
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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, 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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