SSL/TLS Certificate Lookup

Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted

SSL/TLS Certificate for cda-net.it

Valid
Issued by (CA)
Let's Encrypt
Subject
cda-net.it
Valid from
Oct 27, 2026
Valid until
Jan 25, 2027 (73 days remaining)
Public key
EC 256-bit
Serial
059765D0A5CC4142A2AD97FA63148178B7EC
SHA-256 fingerprint
54:3A:BD:42:B3:64:6F:27:4C:39:0C:62:E6:A9:A9:1F:38:56:2C:91:D6:51:AE:B0:A6:08:4B:0D:06:76:0E:B8
Chain
YE1 → Root YE → ISRG Root X2 → ISRG Root X1
Subject Alternative Names (2)
cda-net.it, www.cda-net.it

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 Nov 11, 2026.

Never get surprised by cda-net.it's certificate expiring

This is today's certificate. Turn on monitoring and we'll watch cda-net.it continuously, notifying you the moment anything moves across all three signals:

Certificate monitor showing the issuer, expiry date, chain status, fingerprint, covered names, and a history of a rotation and an expiry warning

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.

Monitor this certificate free

Free for your first domain: uptime, DNS, and certificate together. No credit card.