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 prime-dns.net

Valid
Issued by (CA)
Let's Encrypt
Subject
prime-dns.net
Valid from
Jul 12, 2026
Valid until
Oct 10, 2026 (34 days remaining)
Public key
RSA 2048-bit
Serial
0585A30817FAB49DAB5F43F4532B8F195D1B
SHA-256 fingerprint
D5:C2:22:10:F5:99:79:A8:78:0F:79:7B:BD:67:A8:7D:C0:0D:E1:FD:F3:37:4E:10:03:CD:B1:59:CA:71:2D:C9
Chain
YR2 → Root YR → ISRG Root X1
Subject Alternative Names (2)
*.prime-dns.net, prime-dns.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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