DNS
SSL certificate
TLSv1.2smtp.stack24.ru · 185.27.193.28:443
Certificate verification failed. These are unverified certificate details presented by the server. Peer certificate subjectAltName did not match expected name `smtp.stack24.ru'
Certificate verification failed
- Subject
- CN=*.stack-kazan.net
- Issuer
- C=BE O=GlobalSign nv-sa CN=GlobalSign GCC R46 DV TLS CA 2025
- Valid from
- 2026-10-13T09:56:47+00:00
- Expires
- 2027-04-30T09:56:47+00:00
- Days remaining
- 194
- Serial (hex)
- 7AECD0A207838D1712EF71E9
- Signature
- RSA-SHA256
- Public key
- RSA 4096
Subject alternative names (SAN)
DNS:*.stack-kazan.net, DNS:autodiscover.stack-kazan.net, DNS:mail.stack-kazan.net, DNS:owa.stack-kazan.net, DNS:stack-kazan.net
SHA-256 fingerprint
5C:5B:96:C6:89:99:37:EE:0C:FA:43:96:0B:26:1B:78:C9:6F:B0:EA:43:93:7B:B1:DE:3E:16:7D:01:D3:7B:58
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:*.stack-kazan.net, DNS:autodiscover.stack-kazan.net, DNS:mail.stack-kazan.net, DNS:owa.stack-kazan.net, DNS:stack-kazan.net
- 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
- 4B:C3:E7:43:E4:FB:CD:EC:4B:74:B6:4B:02:CE:FF:30:A2:2E:A1:CE
- 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 : Oct 13 09:56:51.054 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:24:5B:5C:43:1B:A8:5F:06:BA:11:18:6C: 23:18:8D:CE:AC:DB:67:F4:B3:C9:39:82:A5:A1:C2:A6: 6A:D4:AC:69:02:21:00:A2:E5:B3:8A:E9:01:E0:41:A4: 89:AF:1F:BE:6D:36:04:C5:BC:15:AE:87:AD:81:12:D8: 17:0F:0F:0D:0D:D4:4C 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 : Oct 13 09:56:50.395 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:4A:45:F1:1F:56:F4:52:C9:62:A3:42:81: E3:94:CA:77:41:22:39:D9:B1:DE:FC:A6:5A:93:61:08: DB:72:A7:2F:02:21:00:E5:42:C3:90:D3:29:02:5C:03: 7E:1C:8C:72:CB:77:34:25:D9:C0:8B:E9:AF:93:1B:15: 08:32:93:06:2D:86:A8 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 : Oct 13 09:56:50.904 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:AA:4C:52:94:18:79:0E:32:7C:B9:0C: 92:2E:C2:61:53:BB:D7:FB:21:9C:26:CC:2C:53:55:7B: 5F:6B:44:D4:1D:02:21:00:D4:11:60:D6:59:FA:BD:08: 0B:D2:4E:75:FC:91:2A:0A:14:ED:2F:C7:F3:3C:E8:11: 2C:32:47:FF:3A:1B:93:C5
-----BEGIN CERTIFICATE----- MIIHWzCCBkOgAwIBAgIMeuzQogeDjRcS73HpMA0GCSqGSIb3DQEBCwUAMFQxCzAJ BgNVBAYTAkJFMRkwFwYDVQQKExBHbG9iYWxTaWduIG52LXNhMSowKAYDVQQDEyFH bG9iYWxTaWduIEdDQyBSNDYgRFYgVExTIENBIDIwMjUwHhcNMjYxMDEzMDk1NjQ3 WhcNMjcwNDMwMDk1NjQ3WjAcMRowGAYDVQQDDBEqLnN0YWNrLWthemFuLm5ldDCC AiIwDQYJKoZIhvcNAQEBBQADggIPADCCAgoCggIBALFBcy6IpBgWN4EPdXjNJ60n J494d/G7H12vKTW66HwfOIEYT8Wn1blDnhveQoliYqnNl6hjAvL025Pl9K5IffOG q+NQiCaMBo4mc36fgyzt4mb59/62iCepl9pnEVLcHIgG0/pxrPs9/xZRSVLdSrfI coEwxLk54PDke6HUM6koRy48kL2LG7kECzHsvooiabEpVqCyJOZz7BR03x6UO+qZ EJ6xSQGxQWFt/l8a8kYJowS9cPXHxbfbS1DfeDy8K+0Te2Zy//JrkeXavjaAT1G/ 1eO6ta5zFsi8oX36jeQKnPda0WxA6puVVSq+tYIR5MwmSZojrQ/KOHdrAqJ9fVt7 h6ZEwhs2jK2B8ExcG/x45MPTZfemmyT3SrvjUzLn70G6QVPrWAVp9+6OiVnvRgVB fLF0QMgX0ZmNKkD0t1o6dFmFIGvLUJ30eGFdtyJk0s1cXfIaLTlsWmmGfJyEHxwh ee0cGqyx8FPKbfnL6zdr5CrTBHx+ykSD9SJwFGHH+AFzp6+ZQoqL/0I2FwjNH3uu fDRHvTuBrMFPZ0SHmNoPuN4aDVCP7Yec+yzc+syNRLA+bZ812nFZVWgyncBP/Sxr ZmOAGZGyB9b8WZWy4k6C6WMqMybx3Vo9aqhOwPkw2Jbkom3Hpf7VrWRVKJ3xK53S XRdzhnjCUvaxozt0ZwYpAgMBAAGjggNjMIIDXzAOBgNVHQ8BAf8EBAMCBaAwDAYD VR0TAQH/BAIwADCBlQYIKwYBBQUHAQEEgYgwgYUwRwYIKwYBBQUHMAKGO2h0dHA6 Ly9zZWN1cmUuZ2xvYmFsc2lnbi5jb20vY2FjZXJ0L2dzZ2NjcjQ2ZHZ0bHNjYTIw MjUuY3J0MDoGCCsGAQUFBzABhi5odHRwOi8vb2NzcC5nbG9iYWxzaWduLmNvbS9n c2djY3I0NmR2dGxzY2EyMDI1MBMGA1UdIAQMMAowCAYGZ4EMAQIBMEIGA1UdHwQ7 MDkwN6A1oDOGMWh0dHA6Ly9jcmwuZ2xvYmFsc2lnbi5jb20vZ3NnY2NyNDZkdnRs c2NhMjAyNS5jcmwwdgYDVR0RBG8wbYIRKi5zdGFjay1rYXphbi5uZXSCHGF1dG9k aXNjb3Zlci5zdGFjay1rYXphbi5uZXSCFG1haWwuc3RhY2sta2F6YW4ubmV0ghNv d2Euc3RhY2sta2F6YW4ubmV0gg9zdGFjay1rYXphbi5uZXQwHwYDVR0jBBgwFoAU CGnpf6Wr9MNh5c2Oe0fviylkjewwEwYDVR0lBAwwCgYIKwYBBQUHAwEwHQYDVR0O BBYEFEvD50Pk+83sS3S2SwLO/zCiLqHOMIIBfwYKKwYBBAHWeQIEAgSCAW8EggFr AWkAdgAcn2gs6frwRWlQ+BuWiofd2zIQ2EzmyLLjglJKxM9ZnwAAAaE0sYLuAAAE AwBHMEUCICRbXEMbqF8GuhEYbCMYjc6s22f0s8k5gqWhwqZq1KxpAiEAouWziukB 4EGkia8fvm02BMW8Fa6HrYES2BcPDw0N1EwAdgBMY9yY5Zwdq4j2Hoo93q6Pq0Sj N3tfm5TD+6Gc/MG+JgAAAaE0sYBbAAAEAwBHMEUCIEpF8R9W9FLJYqNCgeOUyndB IjnZsd78plqTYQjbcqcvAiEA5ULDkNMpAlwDfhyMcst3NCXZwIvpr5MbFQgykwYt hqgAdwBgTJqven93XwHUBvySDciZ6wscffjJUhv6+hd3O5eLyQAAAaE0sYJYAAAE AwBIMEYCIQCqTFKUGHkOMny5DJIuwmFTu9f7IZwmzCxTVXtfa0TUHQIhANQRYNZZ +r0IC9JOdfyRKgoU7S/H8zzoESwyR/86G5PFMA0GCSqGSIb3DQEBCwUAA4IBAQCS XsaysG35/IFLEzMRCkPJmOBTqil1G9g89Z8jinO26m/h5E8TRiYRNPxPwWTAYlb5 C0KBJTNPzYT7S54yJSTLkCOMjFmKG51+QmfSDfCKY4xZgOsvPS6oUEaoTygniKeD w8cyN5SUk1wmr3bmIt7wwJfwBKlSCHYsn1/n9KIOroWQVzi1LQqMIyR2JMJtPr7i VQWmAocw7yBLfXo0HkRyWDryU5w3TAcT3BZkREoDPIvDYfj0RkX2jo90URhRWQh/ ZLQl4vJh6k618LMqqcetHaEYLNY5Ski+WADlQpzp0ln7iLdpHgQpMP3GCTMkvFlT kAwooc/u4MLKzf5U2apm -----END CERTIFICATE-----
Cipher: ECDHE-RSA-AES256-GCM-SHA384 · Checked 2026-10-17T22:24:30+00:00
Server-presented chain · 1 additional certificate
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
- 979
- 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-----
One endpoint on port 443. Server-presented chain; no revocation, OCSP, CT or full TLS security scan.