SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
sp-arch.at
SSL/TLS Certificate
SSL/TLS Certificate for sp-arch.at
Valid- Issued by (CA)
- Google Trust Services
- Subject
- sp-arch.at
- Valid from
- Aug 10, 2026
- Valid until
- Nov 8, 2026 (40 days remaining)
- Public key
- RSA 2048-bit
- Serial
- BF75739631D458CB0DB017AE565DB5F9
- SHA-256 fingerprint
- A5:5A:17:DB:1C:AE:31:29:66:C0:F2:28:3D:2E:9A:E4:23:98:75:07:71:84:29:25:7D:A2:E2:76:03:30:F8:B8
- Chain
- WR1 → GTS Root R1
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.
Never get surprised by sp-arch.at's certificate expiring
This is today's certificate. Turn on monitoring and we'll watch sp-arch.at 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, 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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