SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
add-dieppe.fr
SSL/TLS Certificate
SSL/TLS Certificate for add-dieppe.fr
Valid- Issued by (CA)
- Sectigo Limited
- Subject
- *.add-dieppe.fr
- Valid from
- Jan 18, 2026
- Valid until
- Feb 1, 2027 (180 days remaining)
- Public key
- RSA 2048-bit
- Serial
- B1477D471026FA22DBECA637BC63208C
- SHA-256 fingerprint
- 97:50:0C:56:5C:9B:28:64:25:C2:E2:EE:BE:3D:6C:AB:53:64:01:A7:EA:F1:B8:ED:87:D7:35:AA:ED:BD:66:AB
- Chain
- Sectigo Public Server Authentication CA DV R36 → Sectigo Public Server Authentication Root R46 → USERTrust RSA Certification Authority
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.
Never get surprised by add-dieppe.fr's certificate expiring
This is today's certificate. Turn on monitoring and we'll watch add-dieppe.fr 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.
Free for your first domain: uptime, DNS, and certificate together. No credit card.