SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
ga-dong.es.kr
SSL/TLS Certificate
SSL/TLS Certificate for ga-dong.es.kr
Hostname mismatch- Issued by (CA)
- DigiCert Inc
- Subject
- *.busanedu.net
- Valid from
- Aug 21, 2025
- Valid until
- Aug 20, 2026 (29 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 0384D025FD7632576202DF31F303042B
- SHA-256 fingerprint
- FF:83:0C:9F:7A:B7:51:A1:AE:5E:6D:C9:06:E4:7B:EB:77:C1:61:9D:23:BC:01:C9:57:CE:4E:08:B1:66:DD:72
- Chain
- Thawte TLS RSA CA G1 → DigiCert Global Root G2
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.
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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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