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

vattenfall.de · 20.76.15.2:443

Verified

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

Subject
CN=www.vattenfall.de
Issuer
C=BE O=GlobalSign nv-sa CN=GlobalSign GCC R6 AlphaSSL CA 2025
Valid from
2026-01-20T11:40:12+00:00
Expires
2027-02-21T11:40:11+00:00
Days remaining
107
Serial (hex)
3A916062B58B3B66578B24A6
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:www.vattenfall.de, DNS:vattenfall.de

SHA-256 fingerprint

75:F4:31:47:75:28:F3:62:1D:C1:BE:FD:5D:BF:44:BE:EE:1A:0B:47:B8:62:69:F7:2A:88:98:B0:9E:CF:7F:D9
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
basicConstraints
CA:FALSE
authorityInfoAccess
CA Issuers - URI:http://secure.globalsign.com/cacert/gsgccr6alphasslca2025.crt OCSP - URI:http://ocsp.globalsign.com/gsgccr6alphasslca2025
certificatePolicies
Policy: 2.23.140.1.2.1 Policy: 1.3.6.1.4.1.4146.10.1.3 CPS: https://www.globalsign.com/repository/
crlDistributionPoints
Full Name: URI:http://crl.globalsign.com/gsgccr6alphasslca2025.crl
subjectAltName
DNS:www.vattenfall.de, DNS:vattenfall.de
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
authorityKeyIdentifier
C5:B4:93:8F:6F:2B:DC:1E:48:BF:B7:10:30:85:CE:D1:B2:BB:48:2D
subjectKeyIdentifier
0D:56:D3:26:B7:93:C5:F0:62:D2:65:C7:8D:E7:B5:BE:03:5E:D5:EC
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 8E:CA:47:0B:AC:DE:6A:F3:A2:06:B0:A4:7A:84:B7:46: FE:1F:C6:BF:95:3E:25:E6:9B:4E:E4:02:48:F3:C6:E8 Timestamp : Jan 20 11:40:20.186 2026 GMT Extensions: 00:00:05:00:01:A2:DD:52 Signature : ecdsa-with-SHA256 30:45:02:20:4A:E4:AB:DB:95:EE:98:13:FB:59:CE:C4: 88:A1:FE:86:BB:C5:BD:C3:33:F7:F0:BF:8A:9E:26:77: 62:DD:0A:01:02:21:00:BE:0A:22:8C:6C:EA:D1:E2:9B: 23:48:0E:4D:B5:8E:C5:D9:AC:64:9E:C2:B6:94:E6:90: 06:93:58:86:B2:1B:A0 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 : Jan 20 11:40:20.176 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:B5:D8:B0:EB:78:98:B9:24:01:F8:74: 1E:E9:35:FA:47:01:BB:E1:BE:D5:C0:C9:5A:64:3C:01: 10:AF:10:C8:4C:02:20:61:20:40:6A:82:60:86:F5:42: 6E:14:1D:91:CB:E5:0B:C7:1D:D0:46:35:79:60:5C:BA: 16:B3:6F:27:66:EC:7F 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 : Jan 20 11:40:19.409 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:AA:B8:92:F0:1C:95:5F:FB:80:0B:03: F6:F8:35:05:5F:96:BA:DC:51:24:4A:0F:48:94:EF:F3: 36:24:99:F5:A3:02:20:13:F4:C4:C2:22:C3:B1:74:C8: 8A:5F:0B:D6:9B:F1:17:61:E3:1A:6D:07:CA:8F:79:D9: 10:A6:19:F3:8D:3F:5E
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-11-05T23:35:47+00:00

Server-presented chain · 1 additional certificate

Chain certificate 1

Subject
C=BE O=GlobalSign nv-sa CN=GlobalSign GCC R6 AlphaSSL CA 2025
Issuer
OU=GlobalSign Root CA - R6 O=GlobalSign CN=GlobalSign
Valid from
2025-05-21T02:36:52+00:00
Expires
2027-05-21T00:00:00+00:00
Days remaining
196
Serial (hex)
837D4EB89E912FE72CAD3BC7692DDC20
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

A8:83:55:92:31:F8:38:8D:AF:35:CE:41:C8:10:10:40:AE:8F:D9:B6:56:43:42:47:B9:47:5A:F5:92:CC:08:CA
Certificate extensions & PEM
keyUsage
Digital Signature, Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
basicConstraints
CA:TRUE, pathlen:0
subjectKeyIdentifier
C5:B4:93:8F:6F:2B:DC:1E:48:BF:B7:10:30:85:CE:D1:B2:BB:48:2D
authorityKeyIdentifier
AE:6C:05:A3:93:13:E2:A2:E7:E2:D7:1C:D6:C7:F0:7F:C8:67:53:A0
authorityInfoAccess
OCSP - URI:http://ocsp2.globalsign.com/rootr6 CA Issuers - URI:http://secure.globalsign.com/cacert/root-r6.crt
crlDistributionPoints
Full Name: URI:http://crl.globalsign.com/root-r6.crl
certificatePolicies
Policy: 2.23.140.1.2.1 Policy: 1.3.6.1.4.1.4146.10.1.3
-----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

Registration / WHOIS →DNS records →