SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
dr-pharm.co.kr
SSL/TLS Certificate
SSL/TLS Certificate for dr-pharm.co.kr
Valid- Issued by (CA)
- Sectigo Limited
- Subject
- dr-pharm.co.kr
- Valid from
- Jun 5, 2026
- Valid until
- Dec 20, 2026 (141 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 1605712360382CD1152702CECF375521
- SHA-256 fingerprint
- D8:0F:3F:3E:CA:5A:94:63:2F:65:DE:6F:69:6B:B1:76:F8:DB:DF:FF:A8:57:4C:BA:50:6A:17:DD:2F:1B:43:AA
- Chain
- Sectigo Public Server Authentication CA DV R36 → Sectigo Public Server Authentication Root R46
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.
Never get surprised by dr-pharm.co.kr's certificate expiring
This is today's certificate. Turn on monitoring and we'll watch dr-pharm.co.kr 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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