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

mail.nova.net.cn · 210.75.24.240:443

Verified

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

Subject
C=CN ST=Guangdong Province L=Shenzhen O=南凌科技股份有限公司 CN=*.nova.net.cn
Issuer
C=US O=DigiCert, Inc. CN=GeoTrust G2 TLS CN RSA4096 SHA256 2022 CA1
Valid from
2025-10-17T00:00:00+00:00
Expires
2026-11-17T23:59:59+00:00
Days remaining
33
Serial (hex)
07E98F7C0BEAC3A450A13C2E4BEFB47F
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:*.nova.net.cn, DNS:nova.net.cn

SHA-256 fingerprint

7C:A1:8F:07:F3:70:72:8A:B2:32:44:85:31:DC:DF:19:90:29:CE:1A:D6:80:07:C0:50:75:45:82:E8:49:A6:00
Certificate extensions & PEM
authorityKeyIdentifier
41:4E:8E:69:9D:F4:6E:25:EC:78:14:1C:7E:D7:CD:1D:99:CF:F9:6B
subjectKeyIdentifier
90:1C:1D:5A:02:F6:2D:2B:A8:4D:F5:CC:16:5E:F9:A8:8A:49:AB:3B
subjectAltName
DNS:*.nova.net.cn, DNS:nova.net.cn
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://crl.digicert.cn/GeoTrustG2TLSCNRSA4096SHA2562022CA1.crl
authorityInfoAccess
OCSP - URI:http://ocsp.digicert.cn CA Issuers - URI:http://cacerts.digicert.cn/GeoTrustG2TLSCNRSA4096SHA2562022CA1.crt
basicConstraints
CA:FALSE
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : D7:6D:7D:10:D1:A7:F5:77:C2:C7:E9:5F:D7:00:BF:F9: 82:C9:33:5A:65:E1:D0:B3:01:73:17:C0:C8:C5:69:77 Timestamp : Oct 17 08:14:29.102 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:EC:D2:C0:F1:04:A2:16:76:5D:A2:87: D3:77:1F:7B:74:75:1D:4A:EA:EA:56:CC:E3:53:BA:4B: 7C:B0:A7:74:CE:02:20:4E:8E:6C:E6:0F:5B:1B:EF:EB: 22:D5:87:4F:9C:66:25:91:BB:4D:52:D1:C3:62:7F:2E: B3:DB:43:A4:FE:23:72 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : C2:31:7E:57:45:19:A3:45:EE:7F:38:DE:B2:90:41:EB: C7:C2:21:5A:22:BF:7F:D5:B5:AD:76:9A:D9:0E:52:CD Timestamp : Oct 17 08:14:29.147 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:AE:71:D4:77:76:12:4D:E9:2F:16:E1: 16:CD:15:86:56:4F:CC:9A:1E:3F:BA:EF:49:85:DC:27: 80:CF:01:02:B2:02:20:42:75:1D:B5:99:BA:B1:DB:C0: F8:3F:00:A2:BE:67:02:AD:4F:C1:1F:BF:BB:81:B4:CB: F1:DB:4D:80:56:05:39 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 94:4E:43:87:FA:EC:C1:EF:81:F3:19:24:26:A8:18:65: 01:C7:D3:5F:38:02:01:3F:72:67:7D:55:37:2E:19:D8 Timestamp : Oct 17 08:14:29.168 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:B1:AD:F6:8F:39:AD:8D:35:14:60:89: 37:33:DB:CA:4B:4E:DD:9D:2A:2C:C0:17:0D:0D:A9:4D: D2:4F:8B:63:D2:02:20:33:07:29:B8:57:20:0D:1A:82: B4:BF:41:AE:7F:95:32:86:27:D9:90:25:79:01:23:FF: 04:00:5B:E1:0C:C1:A2
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-10-15T20:50:32+00:00

Server-presented chain · 2 additional certificates

Chain certificate 1

Subject
C=US O=DigiCert, Inc. CN=GeoTrust G2 TLS CN RSA4096 SHA256 2022 CA1
Issuer
C=US O=DigiCert Inc OU=www.digicert.com CN=DigiCert Global Root G2
Valid from
2022-12-15T00:00:00+00:00
Expires
2032-12-14T23:59:59+00:00
Days remaining
2252
Serial (hex)
0F06BB09306148267FCA1B71C1DB807D
Signature
RSA-SHA256
Public key
RSA 4096

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

05:DC:9E:DC:0F:DD:FA:97:5A:14:32:EF:80:6E:C7:80:07:8B:53:62:AD:45:AF:76:DB:15:C9:07:63:0D:B2:5D
Certificate extensions & PEM
basicConstraints
CA:TRUE, pathlen:0
subjectKeyIdentifier
41:4E:8E:69:9D:F4:6E:25:EC:78:14:1C:7E:D7:CD:1D:99:CF:F9:6B
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
authorityInfoAccess
OCSP - URI:http://ocsp.digicert.cn CA Issuers - URI:http://cacerts.digicert.cn/DigiCertGlobalRootG2.crt
crlDistributionPoints
Full Name: URI:http://crl.digicert.cn/DigiCertGlobalRootG2.crl
certificatePolicies
Policy: 2.16.840.1.114412.2.1 Policy: 2.23.140.1.1 Policy: 2.23.140.1.2.1 Policy: 2.23.140.1.2.2 Policy: 2.23.140.1.2.3
-----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 CA
Valid from
2024-01-18T00:00:00+00:00
Expires
2031-11-09T23:59:59+00:00
Days remaining
1851
Serial (hex)
0FE032AB844D033106C50C8E13C8B068
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

79:D5:7B:15:DF:A6:5C:28:70:EA:FE:11:B6:37:76:59:09:CF:E9:37:B4:9C:15:CE:7F:19:40:30:CA:B3:95:AD
Certificate extensions & PEM
basicConstraints
CA:TRUE
subjectKeyIdentifier
4E:22:54:20:18:95:E6:E3:6E:E6:0F:FA:FA:B9:12:ED:06:17:8F:39
authorityKeyIdentifier
03:DE:50:35:56:D1:4C:BB:66:F0:A3:E2:1B:1B:C3:97:B2:3D:D1:55
keyUsage
Digital Signature, Certificate Sign, CRL Sign
authorityInfoAccess
OCSP - URI:http://ocsp.digicert.cn CA Issuers - URI:http://cacerts.digicert.cn/DigiCertGlobalRootCA.crt
crlDistributionPoints
Full Name: URI:http://crl.digicert.cn/DigiCertGlobalRootCA.crl
certificatePolicies
Policy: X509v3 Any Policy
-----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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