SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
one-nordic.se
SSL/TLS Certificate
SSL/TLS Certificate for one-nordic.se
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- one-nordic.se
- Valid from
- Sep 17, 2026
- Valid until
- Dec 16, 2026 (37 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 057A5B4F10B44EC82F618AD8E9C0E844D864
- SHA-256 fingerprint
- F5:56:46:26:36:2B:70:FD:B9:B2:D3:98:34:0B:5C:3F:EE:A4:F3:AF:B8:E5:32:57:82:CC:29:9B:57:76:1A:A8
- 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 19, 2026.
Never get surprised by one-nordic.se's certificate expiring
This is today's certificate. Turn on monitoring and we'll watch one-nordic.se continuously, notifying you the moment anything moves across all three signals:
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.
Free for your first domain: uptime, DNS, and certificate together. No credit card.