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

TLSv1.2

rediffmail.com · 202.137.235.71:443

Verified

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

Subject
CN=*.rediffmail.com
Issuer
C=BE O=GlobalSign nv-sa CN=GlobalSign GCC R46 DV TLS CA 2025
Valid from
2026-09-28T08:03:05+00:00
Expires
2027-04-15T08:03:05+00:00
Days remaining
191
Serial (hex)
71C4BA8FE8F9126CD550BDDD
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:*.rediffmail.com, DNS:rediffmail.com

SHA-256 fingerprint

12:1A:BC:3C:12:6A:8D:2D:93:8F:CB:A5:42:A9:AF:91:EA:39:7B:73:B3:1D:03:F1:0A:5F:C5:C8:82:F1:05:E5
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
basicConstraints
CA:FALSE
authorityInfoAccess
CA Issuers - URI:http://secure.globalsign.com/cacert/gsgccr46dvtlsca2025.crt OCSP - URI:http://ocsp.globalsign.com/gsgccr46dvtlsca2025
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://crl.globalsign.com/gsgccr46dvtlsca2025.crl
subjectAltName
DNS:*.rediffmail.com, DNS:rediffmail.com
authorityKeyIdentifier
08:69:E9:7F:A5:AB:F4:C3:61:E5:CD:8E:7B:47:EF:8B:29:64:8D:EC
extendedKeyUsage
TLS Web Server Authentication
subjectKeyIdentifier
CE:FA:8D:2F:2D:9D:31:59:E8:A3:5F:12:E8:8A:A2:B1:DD:CA:DF:9A
ct_precert_scts
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 28 08:03:08.305 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:A6:F0:2D:3A:23:D1:E5:2B:D9:94:46: A9:BA:2F:2F:8C:99:DF:C1:12:26:86:45:B8:00:68:C8: 87:5E:19:E6:89:02:20:42:A2:1E:1A:C6:2D:99:BC:9A: D7:0E:04:04:92:FB:0C:FF:54:26:16:A0:A7:24:8D:26: 4F:25:2E:72:08:99:17 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 28 08:03:08.116 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:1D:0C:58:76:88:7F:98:8F:20:7B:87:BF: 05:EC:42:00:61:A4:FB:BA:12:5A:6B:DF:E4:C3:63:63: 41:0D:F1:C3:02:21:00:EC:13:B5:2F:32:1C:DF:A9:56: 57:74:8D:C0:5A:AD:68:53:7E:2F:9E:BA:CC:E0:52:F1: 4F:72:F6:A2:D2:C3:00 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 : Sep 28 08:03:08.117 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:57:F0:63:0C:D1:80:EE:A0:06:09:9A:1A: 55:DC:E9:73:4E:19:98:B9:6A:CA:D5:A7:3F:76:15:EC: 27:C9:7E:79:02:20:3A:F9:CA:1B:B5:E4:4B:22:B7:65: 4A:E0:2E:B4:BA:06:0B:FA:27:FC:D0:97:32:0B:AA:C0: A4:3B:FB:72:DE:F9
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: AES256-SHA · Checked 2026-10-05T09:33:34+00:00

Server-presented chain · 2 additional certificates

Chain certificate 1

Subject
C=BE O=GlobalSign nv-sa CN=GlobalSign GCC R46 DV TLS CA 2025
Issuer
C=BE O=GlobalSign nv-sa CN=GlobalSign Root R46
Valid from
2025-09-17T02:55:44+00:00
Expires
2029-06-23T00:00:00+00:00
Days remaining
991
Serial (hex)
8443588121DB5AB28499FFAE80670BA4
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

B5:94:10:F3:67:B9:86:E9:8E:53:A9:78:9A:65:80:55:3A:74:BE:51:52:11:D9:F6:EC:B6:E8:A1:1E:83:AE:AA
Certificate extensions & PEM
keyUsage
Digital Signature, Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:TRUE, pathlen:0
subjectKeyIdentifier
08:69:E9:7F:A5:AB:F4:C3:61:E5:CD:8E:7B:47:EF:8B:29:64:8D:EC
authorityKeyIdentifier
03:5C:AB:73:81:87:A8:CC:B0:A6:D5:94:E2:36:96:49:FF:05:99:2C
authorityInfoAccess
OCSP - URI:http://ocsp.globalsign.com/rootr46 CA Issuers - URI:http://secure.globalsign.com/cacert/rootr46.crt
crlDistributionPoints
Full Name: URI:http://crl.globalsign.com/rootr46.crl
certificatePolicies
Policy: 2.23.140.1.2.1 Policy: 1.3.6.1.4.1.4146.10.1.3
-----BEGIN CERTIFICATE-----
MIIFfDCCA2SgAwIBAgIRAIRDWIEh21qyhJn/roBnC6QwDQYJKoZIhvcNAQELBQAw
RjELMAkGA1UEBhMCQkUxGTAXBgNVBAoTEEdsb2JhbFNpZ24gbnYtc2ExHDAaBgNV
BAMTE0dsb2JhbFNpZ24gUm9vdCBSNDYwHhcNMjUwOTE3MDI1NTQ0WhcNMjkwNjIz
MDAwMDAwWjBUMQswCQYDVQQGEwJCRTEZMBcGA1UEChMQR2xvYmFsU2lnbiBudi1z
YTEqMCgGA1UEAxMhR2xvYmFsU2lnbiBHQ0MgUjQ2IERWIFRMUyBDQSAyMDI1MIIB
IjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEApT+6pung92y3k3sp2FQMmKv2
OqcOBNr9uk8IJUf/EyIHKfYRcIdgRuUu5T2PxIsvGYCAHQ3uSG/p6E1a16aMu9LV
EG9DMXcW+rx6Why5IDOIOvRHjfPyQzAGurD4V/e71U4fW81n7pKIDtcWDFeSXoai
t1cemN088vJH/L4iCSeQQ1qWsmo9VV4F8jrwWJEjOSrLLYBGHvvuteMlXzpjX2A7
pKcjOooEYU78ygS2K0YOdyN7W2hIUvScVv5yG3sA/q4/tWXY1kyUC/Bb70IgL0/n
wAYMia+OgDo5RPb+U8RUsBN4QH9qxgM75nBiOlqh/aTrrMYfYrbWOR3vioZQDQID
AQABo4IBVTCCAVEwDgYDVR0PAQH/BAQDAgGGMBMGA1UdJQQMMAoGCCsGAQUFBwMB
MBIGA1UdEwEB/wQIMAYBAf8CAQAwHQYDVR0OBBYEFAhp6X+lq/TDYeXNjntH74sp
ZI3sMB8GA1UdIwQYMBaAFANcq3OBh6jMsKbVlOI2lkn/BZksMHsGCCsGAQUFBwEB
BG8wbTAuBggrBgEFBQcwAYYiaHR0cDovL29jc3AuZ2xvYmFsc2lnbi5jb20vcm9v
dHI0NjA7BggrBgEFBQcwAoYvaHR0cDovL3NlY3VyZS5nbG9iYWxzaWduLmNvbS9j
YWNlcnQvcm9vdHI0Ni5jcnQwNgYDVR0fBC8wLTAroCmgJ4YlaHR0cDovL2NybC5n
bG9iYWxzaWduLmNvbS9yb290cjQ2LmNybDAhBgNVHSAEGjAYMAgGBmeBDAECATAM
BgorBgEEAaAyCgEDMA0GCSqGSIb3DQEBCwUAA4ICAQAqoA/ThPjFFFZKSDkoKTKx
KA/K5/1469Z9wYkqd2P5btK/Hi+pUOpuJo39cHmXaNJrmVgYwTxo4n3VAB7DQWsm
OXYOz5wOGLl6Aj5eR8aJ0GXGz1zS2iXsWwFjakS2WfLC25HE2t6XI2pQgNG0HyEY
oS90ddxMW51dsm5fUDy9AMGitsgHFjzibI7UbHr4i3srXk08E4Br8N7Sz0YAxjhC
PANw4A8FaB9Q17CpGZI47CRLJSr4kzxk7sIB39FoqPYd5gtfL6NugWt/x2oRQ1xM
NVa5QQDWRbiVxYoWkBmXwAWLYir/eRiEB195/CbzTDCEtqQBaId9jTFONPjkm0TZ
ryomaCABk93+GUYgeZzb/ovJ4QS6wxXTzq+ZDxHCTPF+dksaqD/CW6jmCJvEZqPy
NhgQ96lPYc7ejqY9yET/4CtYMNPupjVbfepeLzE3n/wnTLKlR3n9V0dIhCjcrlJl
m7WCAJy9nxkx0xmfUFzhFweDOCDsxfsdJ8GnOcFD2b0hyEIDnC+OSVF2G8MCwfn9
0yfY/6Vg8dmStmLCpfmlndG9aFhxQkuXTBn/5Ojy/mJaT2mt8Idr2m3pxVSpGL1h
qfCsCW+4rC3XQhQlmfaBc0205o3G8jVadKn/1yNrraM/BOBGESALCWJZTca/Z3+z
zTYbjxDvBHjVJOwXrqfjyQ==
-----END CERTIFICATE-----

Chain certificate 2

Subject
C=BE O=GlobalSign nv-sa CN=GlobalSign Root R46
Issuer
C=BE O=GlobalSign nv-sa CN=GlobalSign Root R46
Valid from
2019-03-20T00:00:00+00:00
Expires
2046-03-20T00:00:00+00:00
Days remaining
7105
Serial (hex)
11D2BBB9D723189E405F0A9D2DD0DF2567D1
Signature
RSA-SHA384
Public key
RSA 4096

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

4F:A3:12:6D:8D:3A:11:D1:C4:85:5A:4F:80:7C:BA:D6:CF:91:9D:3A:5A:88:B0:3B:EA:2C:63:72:D9:3C:40:C9
Certificate extensions & PEM
keyUsage
Digital Signature, Certificate Sign, CRL Sign
basicConstraints
CA:TRUE
subjectKeyIdentifier
03:5C:AB:73:81:87:A8:CC:B0:A6:D5:94:E2:36:96:49:FF:05:99:2C
-----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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