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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

mail.cgmailbox.com · 67.128.9.83:443

Verified

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

Subject
C=US ST=Arizona L=Casa Grande O=CGI-Communications LLC CN=mail.cgmailbox.com
Issuer
C=US O=DigiCert Inc OU=www.digicert.com CN=Thawte TLS RSA CA G1
Valid from
2026-02-13T00:00:00+00:00
Expires
2027-02-27T23:59:59+00:00
Days remaining
115
Serial (hex)
0F5CFD90DEBE8F346534B2DF95363CAB
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:mail.cgmailbox.com

SHA-256 fingerprint

3E:1D:6E:6B:C6:EA:A6:C6:7D:63:B2:40:E9:0C:B5:12:13:7F:86:55:4C:2D:9D:5E:EF:C8:29:3A:04:1F:89:FE
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
AD:2F:2B:37:A8:A4:16:91:D0:F4:ED:65:28:B0:F6:A9:B0:76:38:07
subjectAltName
DNS:mail.cgmailbox.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 : Feb 13 19:34:49.383 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:62:C5:F3:88:0E:10:A9:1B:E2:B7:1A:C4: D8:45:CE:46:62:14:3E:1D:9E:7B:BE:96:10:4B:D7:BA: C0:B6:3F:BD:02:21:00:FB:AE:E2:40:E5:61:36:8C:6E: 55:8F:C3:03:0B:E6:1C:C3:BF:47:FE:01:A9:7F:DB:47: 53:07:F6:92:70:27:BC 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 : Feb 13 19:34:49.375 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:26:27:2D:CC:B4:B2:72:5B:9E:42:8D:5D: 94:C3:49:07:46:39:3C:28:56:02:29:AE:7D:94:55:02: DB:45:7C:D1:02:20:4A:21:7D:40:DF:70:A9:39:9F:C5: 32:F1:8E:F0:80:CE:C0:92:F5:D6:84:EA:7B:DF:85:4C: D2:B0:73:F5:41:61 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 60:4C:9A:AF:7A:7F:77:5F:01:D4:06:FC:92:0D:C8:99: EB:0B:1C:7D:F8:C9:52:1B:FA:FA:17:77:3B:97:8B:C9 Timestamp : Feb 13 19:34:49.675 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:D7:FB:B3:CC:80:28:20:F6:AD:C8:FB: E4:54:14:F4:52:82:62:73:0E:57:B9:25:0C:D5:69:3B: AF:8B:5A:8F:E5:02:20:4A:EA:D7:B0:D0:F7:B9:AC:BC: 52:98:D2:67:74:44:BC:FE:F1:18:02:32:7E:A3:21:8C: 25:6F:25:41:22:49:88
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-11-04T09:58:11+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
363
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
4090
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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