SSL/TLS Certificate Lookup

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

ec2-18-189-33-233.us-east-2.compute.amazonaws.com

SSL/TLS Certificate

SSL/TLS Certificate for ec2-18-189-33-233.us-east-2.compute.amazonaws.com

Hostname mismatch
Issued by (CA)
Let's Encrypt
Subject
shot.healmb.com
Valid from
Oct 31, 2026
Valid until
Jan 29, 2027 (75 days remaining)
Public key
EC 256-bit
Serial
069A04446036B52E3A0378EFC32132603930
SHA-256 fingerprint
3A:8C:DE:83:BD:E5:CE:2E:9D:0C:DC:69:81:9D:83:51:BD:73:2C:AA:05:09:48:16:EA:AD:40:C3:3E:09:1B:52
Chain
YE1 → Root YE → ISRG Root X2 → ISRG Root X1
Subject Alternative Names (1)
shot.healmb.com

Certificate Authority Authorization (CAA)

No CAA policy is published for this domain — any certificate authority may issue for it.

Never get surprised by ec2-18-189-33-233.us-east-2.compute.amazonaws.com's certificate expiring

This is today's certificate. Turn on monitoring and we'll watch ec2-18-189-33-233.us-east-2.compute.amazonaws.com 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.