SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
atec-socket.com
SSL/TLS Certificate
SSL/TLS Certificate for atec-socket.com
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- atec-socket.com
- Valid from
- Sep 22, 2026
- Valid until
- Dec 21, 2026 (71 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 06E3CFA3A334C59E5BFDCF9980BA5A1DCAB6
- SHA-256 fingerprint
- 31:BD:8A:69:E2:34:28:96:61:6C:DF:E8:1D:2B:00:88:72:6A:2A:EB:87:DB:18:39:CB:86:1E:DA:F5:7A:E0:50
- Chain
- YR1 → 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 Oct 9, 2026.
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This is today's certificate. Turn on monitoring and we'll watch atec-socket.com 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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