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

ns1.regzone.de · 23.92.29.43:443

Unverified
Certificate verification failed. These are unverified certificate details presented by the server. Peer certificate CN=`download2.zoner.com' did not match expected CN=`ns1.regzone.de'

Certificate verification failed

Subject
CN=download2.zoner.com
Issuer
C=US O=DigiCert, Inc. CN=Encryption Everywhere G3 TLS ECC P384 SHA384 2023 CA1
Valid from
2026-08-27T00:00:00+00:00
Expires
2027-03-13T23:59:59+00:00
Days remaining
169
Serial (hex)
0DEDB81D23DB85649CBD0FAC151866A5
Signature
ecdsa-with-SHA384
Public key
RSA 2048

Subject alternative names (SAN)

DNS:download2.zoner.com, DNS:www.download2.zoner.com

SHA-256 fingerprint

8F:AB:D9:26:26:40:18:29:9C:94:F6:7F:28:4C:31:0C:16:30:D5:C5:6B:44:DE:EB:3F:BB:1B:48:2C:A2:6D:F6
Certificate extensions & PEM
authorityKeyIdentifier
85:AD:24:14:28:40:EE:BA:F5:24:CF:12:C4:E7:AC:AE:D0:0C:CB:7D
subjectKeyIdentifier
62:5B:09:16:77:C0:F4:5C:65:A2:CC:B7:D6:00:30:6E:F3:AD:2E:E8
subjectAltName
DNS:download2.zoner.com, DNS:www.download2.zoner.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
authorityInfoAccess
OCSP - URI:http://ocsp.digicert.com CA Issuers - URI:http://cacerts.digicert.com/EncryptionEverywhereG3TLSECCP384SHA3842023CA1.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 : Aug 27 02:35:25.254 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:CB:BB:93:9D:41:36:A6:36:E8:72:95: 46:3A:72:33:9D:EA:EA:00:C3:92:97:80:EC:7C:8D:13: C7:FF:DD:9B:0D:02:20:10:75:00:2B:61:1A:94:A5:FE: 66:71:B8:F7:E0:46:AA:54:15:B6:BF:9B:8C:FB:86:F8: A0:B9:F5:31:2B:C6:3D 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 : Aug 27 02:35:25.242 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:83:78:32:7D:02:46:0A:97:DF:02:1F: 32:0F:31:2C:EF:2D:AB:91:DF:DA:66:69:D4:0E:88:62: D5:7F:E8:1B:87:02:21:00:A1:9D:09:AF:D2:D4:99:5E: 82:5B:AD:CF:48:A6:79:A5:9B:CA:7A:23:92:C9:E0:88: 68:33:91:93:23:0C:F8:B8 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 : Aug 27 02:35:25.315 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:67:FE:F7:E3:4C:34:A6:D1:0D:5F:EB:9B: F7:B1:6F:7D:2E:95:9C:56:64:A0:AB:F0:07:DE:1C:63: 95:E9:BD:B2:02:21:00:FF:5F:F3:DB:AE:F3:52:53:8B: FB:23:50:B6:45:04:33:5E:DB:58:77:6B:A5:C3:85:74: 5D:17:5F:B4:CB:9A:3F
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-09-25T18:51:52+00:00

Server-presented chain · 1 additional certificate

Chain certificate 1

Subject
C=US O=DigiCert, Inc. CN=Encryption Everywhere G3 TLS ECC P384 SHA384 2023 CA1
Issuer
C=US O=DigiCert Inc OU=www.digicert.com CN=DigiCert Global Root G3
Valid from
2023-02-02T00:00:00+00:00
Expires
2033-02-01T23:59:59+00:00
Days remaining
2321
Serial (hex)
02B20A412D8F34683BCDE248DFC1884A
Signature
ecdsa-with-SHA384
Public key
EC 384 secp384r1

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

DA:1F:7C:BF:32:2E:55:CC:08:22:76:F8:51:91:47:DF:A1:E8:0C:BA:F7:D5:79:9F:F7:71:35:88:32:ED:17:12
Certificate extensions & PEM
basicConstraints
CA:TRUE, pathlen:0
subjectKeyIdentifier
85:AD:24:14:28:40:EE:BA:F5:24:CF:12:C4:E7:AC:AE:D0:0C:CB:7D
authorityKeyIdentifier
B3:DB:48:A4:F9:A1:C5:D8:AE:36:41:CC:11:63:69:62:29:BC:4B:C6
keyUsage
Digital Signature, Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
authorityInfoAccess
OCSP - URI:http://ocsp.digicert.com CA Issuers - URI:http://cacerts.digicert.com/DigiCertGlobalRootG3.crt
crlDistributionPoints
Full Name: URI:http://crl3.digicert.com/DigiCertGlobalRootG3.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-----

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

View certificate JSON

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