SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
oppen-bishop.com
SSL/TLS Certificate
SSL/TLS Certificate for oppen-bishop.com
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- oppen-bishop.com
- Valid from
- Jun 10, 2026
- Valid until
- Sep 8, 2026 (23 days remaining)
- Public key
- RSA 4096-bit
- Serial
- 06481EC1DF6BECAA28AD8ECEA730C936FF98
- SHA-256 fingerprint
- D6:CC:EA:80:4C:BD:31:8C:B8:7D:A2:EB:E8:17:C0:9C:DF:28:05:0A:56:01:A2:D3:11:33:3D:CE:31:70:4E:23
- Chain
- YR1 → Root YR → ISRG Root X1
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.
Never get surprised by oppen-bishop.com's certificate expiring
This is today's certificate. Turn on monitoring and we'll watch oppen-bishop.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.
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