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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

nuon.com · 91.192.14.204:443

Verified

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

Subject
CN=www.nuon.com
Issuer
C=US O=DigiCert Inc OU=www.digicert.com CN=Thawte TLS RSA CA G1
Valid from
2026-06-26T00:00:00+00:00
Expires
2027-01-10T23:59:59+00:00
Days remaining
66
Serial (hex)
02DF23CFDFA0E686E5C051C78925BF55
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:www.nuon.com, DNS:nuon.com

SHA-256 fingerprint

79:A9:A0:B2:83:90:FE:DD:2D:40:BB:ED:EA:43:33:8E:B4:3B:6B:A4:D9:4A:32:7E:93:F6:1C:00:4C:1F:BC:A6
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
2E:D4:80:78:A0:20:DD:EE:ED:0D:87:72:51:9C:7C:F7:2B:64:68:DD
subjectAltName
DNS:www.nuon.com, DNS:nuon.com
certificatePolicies
Policy: 2.23.140.1.2.1 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://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 : Jun 26 06:30:02.397 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:17:55:3A:62:54:54:06:61:FC:8B:AB:20: BF:17:37:65:43:6D:70:6D:71:C0:C2:D9:B6:86:E9:F5: CF:AB:07:AC:02:21:00:A2:8C:A5:A9:63:B8:6D:4B:A4: 14:36:3D:7B:5D:36:C9:83:3D:62:1E:4C:73:80:96:64: 6A:2D:CF:96:E8:E6:47 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : D6:D5:8D:A9:D0:17:53:F3:6A:4A:A0:C7:57:49:02:AF: EB:C7:DC:2C:D3:8C:D9:F7:64:C8:0C:89:19:1E:9F:02 Timestamp : Jun 26 06:30:02.408 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:98:83:4E:EA:9A:E7:78:02:8E:60:2E: 73:93:DC:DB:FC:2B:DD:4D:7E:DC:C6:E3:3A:A7:21:33: 6A:C8:14:34:95:02:21:00:9E:DB:AD:BA:3E:5F:0C:22: D3:AD:89:4F:C6:5B:44:44:DD:01:93:71:1C:6A:C5:B2: D1:9D:05:7A:5C:E4:27:8B Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 44:C2:BD:0C:E9:14:0E:64:A5:C9:4A:01:93:0A:5A:A1: BB:35:97:0E:00:EE:11:16:89:68:2A:1C:44:D7:B5:66 Timestamp : Jun 26 06:30:02.471 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:CE:3E:F1:83:77:DC:C8:F1:90:A2:82: 7A:C2:0A:2B:00:9A:63:5B:40:9F:57:4E:E9:8D:26:A5: F2:76:29:54:EA:02:21:00:85:D7:E0:FE:03:29:14:36: 13:FF:23:98:87:96:DB:A4:F6:39:38:D1:E2:85:79:37: F6:21:65:AF:69:B9:79:EF
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-11-05T23:51:44+00:00

Server-presented chain · 1 additional certificate

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
361
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-----

One endpoint on port 443. Server-presented chain; no revocation, OCSP, CT or full TLS security scan.

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