DNS
SSL certificate
TLSv1.2dns1.netsoft.com.vn · 14.225.41.137:443
Certificate verification failed. These are unverified certificate details presented by the server. Peer certificate subjectAltName did not match expected name `dns1.netsoft.com.vn'
Certificate verification failed
- Subject
- C=VN ST=Ha Noi L=Ha Noi O=VIETNAM POSTS AND TELECOMMUNICATIONS GROUP CN=*.vnpt.vn
- Issuer
- C=BE O=GlobalSign nv-sa CN=GlobalSign GCC R46 OV TLS CA 2025
- Valid from
- 2026-08-19T04:23:03+00:00
- Expires
- 2027-03-06T04:23:03+00:00
- Days remaining
- 134
- Serial (hex)
- 135C1B35F80952379BD549DE
- Signature
- RSA-SHA256
- Public key
- RSA 2048
Subject alternative names (SAN)
DNS:*.vnpt.vn, DNS:www.vnpt.vn, DNS:owa.vnpt.vn, DNS:mail.vnpt.vn, DNS:autodiscover.vnpt.vn, DNS:vnpt.vn
SHA-256 fingerprint
EE:5C:0B:FF:BB:33:D3:C2:22:49:15:CD:CF:9D:FF:B4:69:FF:CD:2E:6F:87:E4:B8:E5:C9:A7:AC:E1:51:F2:E3
Certificate extensions & PEM
- keyUsage
- Digital Signature, Key Encipherment
- basicConstraints
- CA:FALSE
- authorityInfoAccess
- CA Issuers - URI:http://secure.globalsign.com/cacert/gsgccr46ovtlsca2025.crt OCSP - URI:http://ocsp.globalsign.com/gsgccr46ovtlsca2025
- certificatePolicies
- Policy: 2.23.140.1.2.2
- crlDistributionPoints
- Full Name: URI:http://crl.globalsign.com/gsgccr46ovtlsca2025.crl
- subjectAltName
- DNS:*.vnpt.vn, DNS:www.vnpt.vn, DNS:owa.vnpt.vn, DNS:mail.vnpt.vn, DNS:autodiscover.vnpt.vn, DNS:vnpt.vn
- authorityKeyIdentifier
- 69:74:3E:AF:C3:5B:01:95:49:EE:14:41:5A:93:FA:B1:30:98:DA:A2
- extendedKeyUsage
- TLS Web Server Authentication
- subjectKeyIdentifier
- FB:6A:67:61:10:50:B3:21:AA:73:61:37:AA:6F:60:89:88:62:79:5C
- 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 : Aug 19 04:23:12.203 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:E5:3A:41:10:57:C9:D0:3C:B9:3A:68: 45:75:B0:C1:07:40:E9:78:E8:43:EC:A9:9D:06:4F:B7: C1:C9:51:28:98:02:20:5C:02:F0:32:68:92:AE:6C:10: 39:21:D0:02:FC:A1:EF:3B:33:68:94:9D:59:ED:A7:F4: 7A:87:DD:48:11:ED:3C 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 : Aug 19 04:23:11.535 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:FC:81:47:FD:06:FE:EE:BD:8D:7D:38: 99:5F:11:0F:22:A1:7C:5C:C7:C6:B0:C0:D8:DA:BC:69: 42:C9:A0:5D:B8:02:21:00:B5:33:6F:44:4C:7A:32:DD: B5:02:E1:7D:D8:D4:9B:0E:EF:20:B7:E6:50:11:07:A2: 6A:83:97:06:2E:D8:EB: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 : Aug 19 04:23:12.007 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:91:AE:22:57:F0:95:F5:E8:8B:27:D7: D3:0C:4B:B7:70:34:27:82:CB:C9:30:9A:89:72:7B:01: 1E:C8:12:12:5E:02:21:00:95:E9:93:F6:02:B8:1B:D0: 94:E2:39:3F:6B:EE:2D:D3:8E:FF:4A:04:B6:C9:ED:E4: D1:FE:8A:82:C6:F6:C6:58
-----BEGIN CERTIFICATE----- MIIGnTCCBYWgAwIBAgIME1wbNfgJUjeb1UneMA0GCSqGSIb3DQEBCwUAMFQxCzAJ BgNVBAYTAkJFMRkwFwYDVQQKExBHbG9iYWxTaWduIG52LXNhMSowKAYDVQQDEyFH bG9iYWxTaWduIEdDQyBSNDYgT1YgVExTIENBIDIwMjUwHhcNMjYwODE5MDQyMzAz WhcNMjcwMzA2MDQyMzAzWjB4MQswCQYDVQQGEwJWTjEPMA0GA1UECBMGSGEgTm9p MQ8wDQYDVQQHEwZIYSBOb2kxMzAxBgNVBAoTKlZJRVROQU0gUE9TVFMgQU5EIFRF TEVDT01NVU5JQ0FUSU9OUyBHUk9VUDESMBAGA1UEAwwJKi52bnB0LnZuMIIBIjAN BgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEArBUXF6ZyL7BPOHocEio8SwmZrKOd GoQHyxu5sTpnRZ3FIKuMG/ttBCLpP7xan39FtkMK6tdqqWh/IvI7Oxcs7Ya2I10l 0hQKIsepEBT8drwQekHO0+hxXtTui2tO9hF8tKRj2zZ3AjwfxlP1M+YCpOralooU p9Lyxc0tvuvOTN/r9vhgYjyfiPyE5MAq6rI7pQRclh7LZ3sPZ4jabZYD6ZxClAEW bTiieqp+YsigVR/7muAMCig1RKF93ZOAU4tDtqA2cd3g7dUzMNkaZ4deMoY67ePz 75wwsjFxPAvw2/L5zyGZgtzlXUG3BBnBguGhkn84EgbjKu7nwqOWBezYdwIDAQAB o4IDSTCCA0UwDgYDVR0PAQH/BAQDAgWgMAwGA1UdEwEB/wQCMAAwgZUGCCsGAQUF BwEBBIGIMIGFMEcGCCsGAQUFBzAChjtodHRwOi8vc2VjdXJlLmdsb2JhbHNpZ24u Y29tL2NhY2VydC9nc2djY3I0Nm92dGxzY2EyMDI1LmNydDA6BggrBgEFBQcwAYYu aHR0cDovL29jc3AuZ2xvYmFsc2lnbi5jb20vZ3NnY2NyNDZvdnRsc2NhMjAyNTAT BgNVHSAEDDAKMAgGBmeBDAECAjBCBgNVHR8EOzA5MDegNaAzhjFodHRwOi8vY3Js Lmdsb2JhbHNpZ24uY29tL2dzZ2NjcjQ2b3Z0bHNjYTIwMjUuY3JsMFsGA1UdEQRU MFKCCSoudm5wdC52boILd3d3LnZucHQudm6CC293YS52bnB0LnZuggxtYWlsLnZu cHQudm6CFGF1dG9kaXNjb3Zlci52bnB0LnZuggd2bnB0LnZuMB8GA1UdIwQYMBaA FGl0Pq/DWwGVSe4UQVqT+rEwmNqiMBMGA1UdJQQMMAoGCCsGAQUFBwMBMB0GA1Ud DgQWBBT7amdhEFCzIapzYTeqb2CJiGJ5XDCCAYAGCisGAQQB1nkCBAIEggFwBIIB bAFqAHYAHJ9oLOn68EVpUPgbloqH3dsyENhM5siy44JSSsTPWZ8AAAGgGEJISwAA BAMARzBFAiEA5TpBEFfJ0Dy5OmhFdbDBB0DpeOhD7KmdBk+3wclRKJgCIFwC8DJo kq5sEDkh0AL8oe87M2iUnVntp/R6h91IEe08AHcATGPcmOWcHauI9h6KPd6uj6tE ozd7X5uUw/uhnPzBviYAAAGgGEJFrwAABAMASDBGAiEA/IFH/Qb+7r2NfTiZXxEP IqF8XMfGsMDY2rxpQsmgXbgCIQC1M29ETHoy3bUC4X3Y1JsO7yC35lARB6Jqg5cG LtjrYQB3AGBMmq96f3dfAdQG/JINyJnrCxx9+MlSG/r6F3c7l4vJAAABoBhCR4cA AAQDAEgwRgIhAJGuIlfwlfXoiyfX0wxLt3A0J4LLyTCaiXJ7AR7IEhJeAiEAlemT 9gK4G9CU4jk/a+4t047/SgS2ye3k0f6Kgsb2xlgwDQYJKoZIhvcNAQELBQADggEB ACTEU7Da2wu7uQ4b5r5TpU7rpbfkUfiNpkVgdnfc1UC67yBYD51L5K+XIdZZC9Y4 MNKhasE0c0NMsKOikTbCj3DdJYk5dnEwh65sFEkL9stjMAitKQploSuly1yVWsCn nelmivdjhRmW6/SQ49rm7PpW78x4SaA4DMElWYDOccCTAICKjlfyaMbt+qugRlt9 O/ZdNffFJ9nLD7tnzx46fYN599Ic91sCaOqzw9kj+enWTr991C+NbiCEyj0n7M9W 0Ri/Y9ONlOM4LmQUHz2WB+B2oVZEYUn2TeIc4cbOekjz/VXIzYagfZFo9gCdahe4 ggMYW2wMxYxnsYR9kt4Ve7U= -----END CERTIFICATE-----
Cipher: ECDHE-RSA-AES128-GCM-SHA256 · Checked 2026-10-22T06:01:32+00:00
Server-presented chain · 2 additional certificates
Chain certificate 1
- Subject
- C=BE O=GlobalSign nv-sa CN=GlobalSign GCC R46 OV TLS CA 2025
- Issuer
- C=BE O=GlobalSign nv-sa CN=GlobalSign Root R46
- Valid from
- 2025-09-17T02:55:56+00:00
- Expires
- 2029-06-23T00:00:00+00:00
- Days remaining
- 974
- Serial (hex)
- 84435890836F67394182CB9C9A5DC99F
- Signature
- RSA-SHA256
- Public key
- RSA 2048
Subject alternative names (SAN)
No SAN extension was presented.
SHA-256 fingerprint
D1:60:E2:DE:4E:56:CB:10:B6:6C:1C:B0:AD:CB:79:CF:93:C7:8D:CD:9D:B3:0C:20:18:22:02:62:C0:40:63:F9
Certificate extensions & PEM
- keyUsage
- Digital Signature, Certificate Sign, CRL Sign
- extendedKeyUsage
- TLS Web Server Authentication
- basicConstraints
- CA:TRUE, pathlen:0
- subjectKeyIdentifier
- 69:74:3E:AF:C3:5B:01:95:49:EE:14:41:5A:93:FA:B1:30:98:DA:A2
- 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: 2.23.140.1.2.2 Policy: 1.3.6.1.4.1.4146.10.1.2
-----BEGIN CERTIFICATE----- MIIFfDCCA2SgAwIBAgIRAIRDWJCDb2c5QYLLnJpdyZ8wDQYJKoZIhvcNAQELBQAw RjELMAkGA1UEBhMCQkUxGTAXBgNVBAoTEEdsb2JhbFNpZ24gbnYtc2ExHDAaBgNV BAMTE0dsb2JhbFNpZ24gUm9vdCBSNDYwHhcNMjUwOTE3MDI1NTU2WhcNMjkwNjIz MDAwMDAwWjBUMQswCQYDVQQGEwJCRTEZMBcGA1UEChMQR2xvYmFsU2lnbiBudi1z YTEqMCgGA1UEAxMhR2xvYmFsU2lnbiBHQ0MgUjQ2IE9WIFRMUyBDQSAyMDI1MIIB IjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA1JyrGiv+210Lw4LTp9qxx9WC o6w8HnxcTKr5XwR6WwtKidGXriLqGXtBINGTi4HUZ1Vl3FUIvscLwNcq2DRLwjWs cYFNClVnuSw4CtwAcfa7Iltz+0FmFeh/KOWv5BfgCxAo9FaeXRG725b2eedo/7fb 0zBc6M/XcfQREVteZ6GovnLE96+T8RzRImvX38Y8vZoulp/XWv3p09C1pgp/53+1 itDl7xbrM4sglGNkeJ5LBN2dOR1sqWCMZ/V4a4cPQwopBtZis1vVh7/k4S6Ysgk0 CTi5vei0RSEIhxoFk48BHSXzTA4FJxqjfauYCZ4M5tmZ/R5VgXOZ4Ck/PifnXQID AQABo4IBVTCCAVEwDgYDVR0PAQH/BAQDAgGGMBMGA1UdJQQMMAoGCCsGAQUFBwMB MBIGA1UdEwEB/wQIMAYBAf8CAQAwHQYDVR0OBBYEFGl0Pq/DWwGVSe4UQVqT+rEw mNqiMB8GA1UdIwQYMBaAFANcq3OBh6jMsKbVlOI2lkn/BZksMHsGCCsGAQUFBwEB BG8wbTAuBggrBgEFBQcwAYYiaHR0cDovL29jc3AuZ2xvYmFsc2lnbi5jb20vcm9v dHI0NjA7BggrBgEFBQcwAoYvaHR0cDovL3NlY3VyZS5nbG9iYWxzaWduLmNvbS9j YWNlcnQvcm9vdHI0Ni5jcnQwNgYDVR0fBC8wLTAroCmgJ4YlaHR0cDovL2NybC5n bG9iYWxzaWduLmNvbS9yb290cjQ2LmNybDAhBgNVHSAEGjAYMAgGBmeBDAECAjAM BgorBgEEAaAyCgECMA0GCSqGSIb3DQEBCwUAA4ICAQBEUTiKxe5jEintARUvLBm9 qWZtGiOSV9E+3bntbFFBDBAroqwB6Cj53Zp/W08HwgxaPXdkVaRNYHB/eAatEtSm 1ldtoorfPc+mVlzbwCwfbpIs2uqW5rF78ne37qy2o+iVnJptq9AzPnlC03+zhhB9 JwmjUXVtPuqQZ96tFl0fAT77xGSLzCO8yfEDrxCqdWz2wneShSbCCsC15JB07OgO StE+MsVBkwe5+PNzAlAr8NZ6f8mzeY/FzaBzlhYw5+c1yyzXJqp+gjRXWrLpD3Ho hGOvIXIvCBnyVrYI/HPe6DR5w7oteui9Rt0xfUUudaTkt0iz7fc23eGboZ+bpvgT gbd/kYK6JOrxawMyfBYxrR5zDHIJX0Mws99DNgACKBUfFadKAfwFw0+0airY5WAI Xs8yhCb5XGwyzVpcB30BrQbWtqdI0PoE9usNvNbH3YFGfuS8oRmAJEgUUQnwOoGK jMWtHacw0n8QESdRM274LJvLd9nwawYU4svJpf06FtKPqGH3nXefL741NO9KzDAG PM11YScyJVfYdBDXFM86HU1fBGTKlkLcG/qMJxOqppY4wydRI3koSH6A78nO2QaJ yqjTOQyCNHaSlmGjdiOvhJ8y1PiazHnuvWBx6z+7JJF2ukqqfjlSARwyfkfnRUIY la7ZYEqcc56eoPAiElhvrg== -----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
- 7088
- 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----- MIIFWjCCA0KgAwIBAgISEdK7udcjGJ5AXwqdLdDfJWfRMA0GCSqGSIb3DQEBDAUA MEYxCzAJBgNVBAYTAkJFMRkwFwYDVQQKExBHbG9iYWxTaWduIG52LXNhMRwwGgYD VQQDExNHbG9iYWxTaWduIFJvb3QgUjQ2MB4XDTE5MDMyMDAwMDAwMFoXDTQ2MDMy MDAwMDAwMFowRjELMAkGA1UEBhMCQkUxGTAXBgNVBAoTEEdsb2JhbFNpZ24gbnYt c2ExHDAaBgNVBAMTE0dsb2JhbFNpZ24gUm9vdCBSNDYwggIiMA0GCSqGSIb3DQEB AQUAA4ICDwAwggIKAoICAQCsrHQy6LNl5brtQyYdpokNRbopiLKkHWPd08EsCVeJ OaFV6Wc0dwxu5FUdUiXSE2te4R2pt32JMl8Nnp8semNgQB+msLZ4j5lUlghYruQG vGIFAha/r6gjA7aUD7xubMLL1aa7DOn2wQL7Id5m3RerdELv8HQvJfTqa1VbkNud 316HCkD7rRlr+/fKYIje2sGP1q7Vf9Q8g+7XFkyDRTNrJ9CG0Bwta/OrffGFqfUo 0q3v84RLHIf8E6M6cqJaESvWJ3En7YEtbWaBkoe0G1h6zD8K+kZPTXhc+CtI4wSE y132tGqzZfxCnlEmIyDLPRT5ge1lFgBPGmSXZgjPjHvjK8Cd+RTyG/FWaha/LIWF zXg4mutCagI0GIMXTpRW+LaCtfOW3T3zvn8gdz57GSNrLNRyc0NXfeD412lPFzYE +cCQYDdF3uYM2HSNrpyibXRdQr4G9dlkbgIQrImwTDsHTUB+JMWKmIJ5jqSngiCN I/onccnfxkF0oE32kRbcRoxfKWMxWXEM2G/CtjJ9++ZdU6Z+Ffy7dXxd7Pj2Fxzs x2sZy/N78CsHpdlseVR2bJ0cpm4O6XkMqCNqo98bMDGfsVR7/mrLZqrcZdCinkqa ByFrgY/bxFn63iLABJzjqls2k+g9vXqhnQt2sQvHnf3PmKgGwvgqo6GDoLclcqUC 4wIDAQABo0IwQDAOBgNVHQ8BAf8EBAMCAYYwDwYDVR0TAQH/BAUwAwEB/zAdBgNV HQ4EFgQUA1yrc4GHqMywptWU4jaWSf8FmSwwDQYJKoZIhvcNAQEMBQADggIBAHx4 7PYCLLtbfpIrXTncvtgdokIzTfnvpCo7RGkerNlFo048p9gkUbJUHJNOxO97k4Vg JuoJSOD1u8fpaNK7ajFxzHmuEajwmf3lH7wvqMxX63bEIaZHU1VNaL8FpO7XJqti 2kM3S+LGteWygxk6x9PbTZ4IevPuzz5i+6zoYMzRx6Fcg0XERczzF2sUyQQCPtIk pnnpHs6i58FZFZ8d4kuaPp92CC1r2LpXFNqD6v6MVenQTqnMdzGxRBF6XLE+0xRF FRhiJBPSy03OXIPBNvIQtQ6IbbjhVp+J3pZmOUdkLG5NrmJ7v2B0GbhWrJKsFjLt rWhV/pi60zTe9Mlhww6G9kuEYO4Ne7UyWHmRVSyBQ7N0H3qqJZ4d16GLuc1CLgSk ZoNNiTW2bKg2SnkheCLQQrzRQDGQob4Ez8pn7fXwgNNgyYMqIgXQBztSvwyeqiv5 u+YfjyW6hY0XHgL+XVAEV8/+LbzvXMAaq7afJMbfc2hIkCwU9D9SGuTSyxTDYWnP 4vkYxboznxSjBF25cfe1lNj2M8FawTSLfJvdkzrnE6JwYZ+vj+vYxXX4M2bUdGc6 N3ec592kD3ZDZopD8p/7DEJ4Y9HiD2971KE9dJeFt0g5QdYg/NA6s/rob8SKunE3 vouXsXgxT7PntgMTzlSdriVZzH81Xwj3QEUxeCp6 -----END CERTIFICATE-----
One endpoint on port 443. Server-presented chain; no revocation, OCSP, CT or full TLS security scan.