SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
nserv.co.kr
SSL/TLS Certificate
SSL/TLS Certificate for nserv.co.kr
Valid- Issued by (CA)
- GoGetSSL
- Subject
- nserv.co.kr
- Valid from
- Jul 21, 2026
- Valid until
- Feb 4, 2027 (121 days remaining)
- Public key
- RSA 2048-bit
- Serial
- C9FC0C8AC38BD576B37BBF67277E5852
- SHA-256 fingerprint
- 0E:29:B5:AF:B0:54:49:9B:A8:1D:B2:9F:C2:B7:DE:4F:21:E8:37:F0:86:7A:A9:A8:97:53:7A:1C:75:2C:29:66
- Chain
- GoGetSSL RSA DV SSL CA 2 → 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.
This certificate has been served since Sep 28, 2026.
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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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