SSL/TLS Certificate Lookup

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

ec2-54-249-216-148.ap-northeast-1.compute.amazonaws.com

SSL/TLS Certificate

SSL/TLS Certificate for ec2-54-249-216-148.ap-northeast-1.compute.amazonaws.com

Hostname mismatch
Issued by (CA)
Amazon
Subject
*.job-gear.net
Valid from
Sep 14, 2025
Valid until
Oct 12, 2026 (61 days remaining)
Public key
RSA 2048-bit
Serial
0491870215F49A9EBBF2BF4C6138B1A5
SHA-256 fingerprint
DA:8B:1F:04:23:2D:A9:26:CA:43:61:38:E1:BA:98:51:DA:6F:9F:4C:35:87:D7:22:37:27:62:41:A2:38:46:2F
Chain
Amazon RSA 2048 M04 → Amazon Root CA 1 → Starfield Services Root Certificate Authority - G2
Subject Alternative Names (2)
*.job-gear.net, job-gear.net

Certificate Authority Authorization (CAA)

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

Never get surprised by ec2-54-249-216-148.ap-northeast-1.compute.amazonaws.com's certificate expiring

This is today's certificate. Turn on monitoring and we'll watch ec2-54-249-216-148.ap-northeast-1.compute.amazonaws.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.

Monitor this certificate free

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