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 dns-exchange.net

Valid
Issued by (CA)
Google Trust Services
Subject
dns-exchange.net
Valid from
Jun 8, 2026
Valid until
Sep 6, 2026 (45 days remaining)
Public key
EC 256-bit
Serial
73C6EE9B05E3C5090E3F21039AB453F8
SHA-256 fingerprint
51:F9:CD:FA:A2:86:A8:58:C4:74:96:C2:2B:51:54:1D:75:22:F3:45:EA:8E:22:E7:A0:10:58:DC:B1:90:DA:B1
Chain
WE1 → GTS Root R4
Subject Alternative Names (2)
*.dns-exchange.net, dns-exchange.net

Certificate Authority Authorization (CAA)

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

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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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