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

receive.kbfg.com · 210.124.124.155:443

Verified

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

Subject
C=KR ST=Seoul L=Yeongdeungpo District O=Kookmin Bank CO., LTD. CN=spam3.kbfg.com
Issuer
C=US O=DigiCert Inc OU=www.digicert.com CN=Thawte TLS RSA CA G1
Valid from
2026-09-08T00:00:00+00:00
Expires
2027-03-25T23:59:59+00:00
Days remaining
174
Serial (hex)
09024C103DFF54AFDBED0B2B88967C73
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:spam3.kbfg.com, DNS:receive.kbfg.com

SHA-256 fingerprint

B8:CB:F2:70:D1:F4:C1:B9:3C:AB:E5:F2:DD:CB:BC:2C:BD:DC:5B:17:39:E1:24:7B:CA:F2:AB:16:D8:53:25:A9
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
5D:A1:AE:AF:9B:4B:50:49:18:FC:A3:90:1F:14:52:D2:1A:9A:0A:7A
subjectAltName
DNS:spam3.kbfg.com, DNS:receive.kbfg.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, TLS Web Client 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 8 01:11:51.688 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:FC:2A:CB:F7:E0:4C:3A:6B:7F:0C:02: 47:9B:5B:8C:09:6F:B8:F5:B8:5F:69:42:F2:B7:27:13: EB:B4:7E:D4:BB:02:20:2E:41:74:FC:B8:ED:34:31:4B: CB:DF:87:53:BF:3D:36:7A:49:18:4B:DE:42:CB:14:45: D9:96:70:9F:C4:67:63 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 8 01:11:51.850 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:97:69:D7:A5:89:FF:22:9C:24:68:6A: D8:F3:28:52:25:26:85:ED:97:86:47:EF:60:68:75:06: F0:9A:C4:21:2F:02:21:00:83:B1:63:71:79:1F:02:BA: E5:D7:AB:46:EB:B1:7C:98:E3:47:35:44:0C:06:43:55: 05:46:CA:EE:39:C7:B4:F6 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 1C:9F:68:2C:E9:FA:F0:45:69:50:F8:1B:96:8A:87:DD: DB:32:10:D8:4C:E6:C8:B2:E3:82:52:4A:C4:CF:59:9F Timestamp : Sep 8 01:11:51.895 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:FC:D7:15:28:92:96:9D:25:51:9C:8F: 24:C2:C0:C3:91:7A:13:B9:D6:72:97:B4:B1:D6:39:34: FD:36:7C:66:5D:02:20:56:6C:0F:56:62:80:E2:29:26: 4D:BB:B7:56:43:B8:93:B7:B5:B3:92:BD:9D:F5:23:65: 38:8F:43:09:EA:D1:26
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-10-02T02:08:47+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.

View certificate JSON

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