SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
ser-mac.it
SSL/TLS Certificate
SSL/TLS Certificate for ser-mac.it
Valid- Issued by (CA)
- Actalis S.p.A.
- Subject
- *.ser-mac.it
- Valid from
- Oct 7, 2026
- Valid until
- Apr 24, 2027 (173 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 51102DF5E185625C941ED333EEA21D8E
- SHA-256 fingerprint
- 27:C0:D3:68:64:73:7F:CB:6F:93:21:13:A8:0C:19:D4:99:D7:BD:55:12:EA:3E:28:C4:74:E3:F7:06:A6:F9:DD
- Chain
- Actalis Domain Validated TLS Server RSA CA 2025 → Actalis TLS Server RSA Root CA 2025 → Actalis Authentication Root CA
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.
Never get surprised by ser-mac.it's certificate expiring
This is today's certificate. Turn on monitoring and we'll watch ser-mac.it 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.
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