SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
z-tec.net
SSL/TLS Certificate
SSL/TLS Certificate for z-tec.net
Hostname mismatch- Issued by (CA)
- GoDaddy.com, Inc.
- Subject
- owa.hannaog.com
- Valid from
- Nov 29, 2025
- Valid until
- Dec 31, 2026 (146 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 01D4A9AF9F3F0730
- SHA-256 fingerprint
- F0:C4:19:0E:F0:6A:1D:FC:F4:D7:D1:C3:53:3E:6E:14:98:33:2F:A5:48:37:86:AF:25:BC:0D:CB:1D:D1:FC:0C
- Chain
- Go Daddy Secure Certificate Authority - G2 → Go Daddy Root Certificate Authority - G2
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.
Never get surprised by z-tec.net's certificate expiring
This is today's certificate. Turn on monitoring and we'll watch z-tec.net 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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