SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
payapps.co.kr
SSL/TLS Certificate
SSL/TLS Certificate for payapps.co.kr
Expired- Issued by (CA)
- Sectigo Limited
- Subject
- club-viking.com
- Valid from
- Jun 17, 2021
- Valid until
- Jun 17, 2022 (expired 1547 days ago)
- Public key
- RSA 2048-bit
- Serial
- E61EF7FF6D5A7073056BA4DB90EF5E2C
- SHA-256 fingerprint
- DA:EF:F4:DA:0E:19:8C:89:B7:AD:FD:E2:46:82:32:CA:6D:64:63:5E:30:7F:50:77:03:4B:A8:6F:9E:6B:73:B5
- Chain
- Sectigo RSA Domain Validation Secure Server CA → USERTrust RSA Certification Authority
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.
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This is today's certificate. Turn on monitoring and we'll watch payapps.co.kr continuously, notifying you the moment anything moves across all three signals:
Uptime
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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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