DNS
THE CERTIFICATE BEHIND THE CONNECTION

TLS certificate checker.

Inspect SSL/TLS certificates for any public domain or subdomain.

Checks HTTPS on port 443, including subject alternative names, validity dates and the presented chain.

SSL certificate

TLSv1.3

kakao.com · 121.53.93.60:443

Verified

Certificate chain, hostname and dates verified using this server’s CA store.

Subject
C=KR ST=Jeju-do L=Jeju-si O=Kakao Corp. CN=kakao.com
Issuer
C=US O=DigiCert Inc OU=www.digicert.com CN=Thawte TLS RSA CA G1
Valid from
2026-09-01T00:00:00+00:00
Expires
2027-03-18T23:59:59+00:00
Days remaining
168
Serial (hex)
03A1F123E9BA5235E4AE567ABAAC7B97
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:kakao.com, DNS:*.kakao.com

SHA-256 fingerprint

C8:46:81:D0:6F:4F:D4:1C:F7:D4:EA:55:D1:EC:70:2F:DF:4F:97:54:C3:04:DF:70:03:55:32:AD:12:A6:4B:54
Certificate extensions & PEM
authorityKeyIdentifier
A5:8C:FE:32:CC:EB:0F:2C:D4:19:C6:08:B8:00:24:88:5D:C3:C5:B7
subjectKeyIdentifier
4A:F0:59:30:5C:B8:63:7A:4B:99:1A:CE:C9:BB:26:DC:6A:C0:43:7A
subjectAltName
DNS:kakao.com, DNS:*.kakao.com
certificatePolicies
Policy: 2.23.140.1.2.2 CPS: http://www.digicert.com/CPS
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication
crlDistributionPoints
Full Name: URI:http://cdp.thawte.com/ThawteTLSRSACAG1.crl
authorityInfoAccess
OCSP - URI:http://status.thawte.com CA Issuers - URI:http://cacerts.thawte.com/ThawteTLSRSACAG1.crt
basicConstraints
CA:FALSE
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 4C:63:DC:98:E5:9C:1D:AB:88:F6:1E:8A:3D:DE:AE:8F: AB:44:A3:37:7B:5F:9B:94:C3:FB:A1:9C:FC:C1:BE:26 Timestamp : Sep 1 07:42:33.980 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:C6:95:78:79:5A:10:02:2C:BC:D7:80: 1F:04:41:8B:EA:C5:91:F9:E9:6C:39:C1:BE:2F:18:8F: 39:C7:C8:94:F7:02:20:33:AC:AE:9D:60:1D:6E:C9:73: C6:0E:FF:60:D7:E9:2C:98:8B:34:C5:FA:BE:83:82:78: AE:4C:47:87:4B:5D:B5 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : D6:D5:8D:A9:D0:17:53:F3:6A:4A:A0:C7:57:49:02:AF: EB:C7:DC:2C:D3:8C:D9:F7:64:C8:0C:89:19:1E:9F:02 Timestamp : Sep 1 07:42:33.970 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:2D:5A:36:7E:9A:17:C4:DE:21:A2:CB:A0: 8A:A6:3D:DC:D2:39:84:77:76:B5:FE:E2:57:7E:E0:8C: 7A:89:8F:8B:02:20:3E:86:7A:5B:31:DB:AD:75:BC:2E: C5:2D:D7:6B:2E:A3:5F:BB:41:93:83:88:E7:4E:5D:86: 79:BA:EE:BF:AF:E3 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 44:C2:BD:0C:E9:14:0E:64:A5:C9:4A:01:93:0A:5A:A1: BB:35:97:0E:00:EE:11:16:89:68:2A:1C:44:D7:B5:66 Timestamp : Sep 1 07:42:34.063 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:5E:3A:EE:10:7F:E4:06:0D:25:6F:C0:89: 67:F5:60:20:1D:67:B3:E2:3B:31:C3:77:F2:60:3C:36: 59:CD:78:10:02:20:05:E1:69:B3:FF:98:9D:A8:B7:FC: AE:F1:30:AE:F2:0C:23:A1:52:99:A6:B7:BE:6E:24:4A: 2A:69:34:BA:78:81
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-10-01T23:08:55+00:00

Server-presented chain · 2 additional certificates

Chain certificate 1

Subject
C=US O=DigiCert Inc OU=www.digicert.com CN=Thawte TLS RSA CA G1
Issuer
C=US O=DigiCert Inc OU=www.digicert.com CN=DigiCert Global Root G2
Valid from
2017-11-02T12:24:25+00:00
Expires
2027-11-02T12:24:25+00:00
Days remaining
396
Serial (hex)
090EE8C5DE5BFA62D2AE2FF7097C4857
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

4B:CC:5E:23:4F:E8:1E:DE:4E:AF:88:3A:A1:9C:31:33:5B:0B:26:E8:5E:06:6B:99:45:E4:CB:61:53:EB:20:C2
Certificate extensions & PEM
subjectKeyIdentifier
A5:8C:FE:32:CC:EB:0F:2C:D4:19:C6:08:B8:00:24:88:5D:C3:C5:B7
authorityKeyIdentifier
4E:22:54:20:18:95:E6:E3:6E:E6:0F:FA:FA:B9:12:ED:06:17:8F:39
keyUsage
Digital Signature, Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
basicConstraints
CA:TRUE, pathlen:0
authorityInfoAccess
OCSP - URI:http://ocsp.digicert.com
crlDistributionPoints
Full Name: URI:http://crl3.digicert.com/DigiCertGlobalRootG2.crl
certificatePolicies
Policy: X509v3 Any Policy CPS: https://www.digicert.com/CPS
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Chain certificate 2

Subject
C=US O=DigiCert Inc OU=www.digicert.com CN=DigiCert Global Root G2
Issuer
C=US O=DigiCert Inc OU=www.digicert.com CN=DigiCert Global Root G2
Valid from
2013-08-01T12:00:00+00:00
Expires
2038-01-15T12:00:00+00:00
Days remaining
4123
Serial (hex)
033AF1E6A711A9A0BB2864B11D09FAE5
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

CB:3C:CB:B7:60:31:E5:E0:13:8F:8D:D3:9A:23:F9:DE:47:FF:C3:5E:43:C1:14:4C:EA:27:D4:6A:5A:B1:CB:5F
Certificate extensions & PEM
basicConstraints
CA:TRUE
keyUsage
Digital Signature, Certificate Sign, CRL Sign
subjectKeyIdentifier
4E:22:54:20:18:95:E6:E3:6E:E6:0F:FA:FA:B9:12:ED:06:17:8F:39
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

One endpoint on port 443. Server-presented chain; no revocation, OCSP, CT or full TLS security scan.

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