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

ewr.de · 150.171.109.100:443

Verified

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

Subject
CN=ewr.de
Issuer
C=US O=DigiCert Inc OU=www.digicert.com CN=GeoTrust TLS RSA CA G1
Valid from
2026-06-23T00:00:00+00:00
Expires
2026-12-22T23:59:59+00:00
Days remaining
47
Serial (hex)
06D8D900C8CE30657F6175B86EFFF51E
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:ewr.de

SHA-256 fingerprint

F8:89:61:98:0E:42:14:3F:AC:A7:AD:7F:61:30:3B:92:1C:B3:4A:B2:CA:53:FA:9D:CF:3F:33:5B:0E:BC:25:F6
Certificate extensions & PEM
authorityKeyIdentifier
94:4F:D4:5D:8B:E4:A4:E2:A6:80:FE:FD:D8:F9:00:EF:A3:BE:02:57
subjectKeyIdentifier
AF:B9:B4:9F:A6:58:5B:71:E1:FE:FF:51:A2:D7:72:98:F3:77:7E:1C
subjectAltName
DNS:ewr.de
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.geotrust.com/GeoTrustTLSRSACAG1.crl
authorityInfoAccess
OCSP - URI:http://status.geotrust.com CA Issuers - URI:http://cacerts.geotrust.com/GeoTrustTLSRSACAG1.crt
basicConstraints
CA:FALSE
ct_precert_scts
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 : Jun 23 05:52:44.320 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:C9:AC:E3:39:64:D0:F8:19:F2:09:3E: 19:9D:B2:C3:F1:51:D7:25:C8:7C:11:FF:86:3B:D6:40: 68:C3:45:6C:F4:02:20:52:2C:D6:23:D0:E4:1E:3C:95: E5:D5:6A:9F:2C:41:A7:A8:2E:5A:6D:64:30:C8:D9:32: C5:31:A8:4F:CE:B6:AC Signed Certificate Timestamp: Version : v1 (0x0) Log ID : D8:09:55:3B:94:4F:7A:FF:C8:16:19:6F:94:4F:85:AB: B0:F8:FC:5E:87:55:26:0F:15:D1:2E:72:BB:45:4B:14 Timestamp : Jun 23 05:52:44.344 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:8D:16:25:8A:82:B1:88:55:F3:CD:16: 63:6B:D1:5F:44:9C:BE:8B:A4:D3:EB:BD:38:46:80:D9: E2:4D:CE:D7:21:02:21:00:C4:E9:AC:AE:B0:19:D2:2E: 05:62:E4:5A:06:0E:B8:0D:0E:BA:41:A4:B4:FC:26:A8: D5:0E:83:91:9C:D6:CF:45 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 : Jun 23 05:52:44.335 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:19:5C:22:12:59:CB:20:CE:F2:5E:5C:E3: 39:57:AE:A8:5E:D7:7F:AD:70:C1:8C:09:E1:11:DD:84: B7:24:BC:1A:02:21:00:C6:10:89:49:A3:DC:35:A4:FC: 17:AE:D2:8A:C1:B6:7A:86:54:AB:12:71:22:05:5B:4F: B0:6D:C8:FA:79:30:2A
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-11-05T01:37:46+00:00

Server-presented chain · 2 additional certificates

Chain certificate 1

Subject
C=US O=DigiCert Inc OU=www.digicert.com CN=GeoTrust TLS RSA CA G1
Issuer
C=US O=DigiCert Inc OU=www.digicert.com CN=DigiCert Global Root G2
Valid from
2017-11-02T12:23:37+00:00
Expires
2027-11-02T12:23:37+00:00
Days remaining
362
Serial (hex)
0D07782A133FC6F9A57296E131FFD179
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

C0:6E:30:7F:7C:FC:1D:32:FA:72:A4:C0:33:C8:7B:90:01:9A:F2:16:F0:77:5D:64:97:8A:2E:CA:6C:8A:23:0E
Certificate extensions & PEM
subjectKeyIdentifier
94:4F:D4:5D:8B:E4:A4:E2:A6:80:FE:FD:D8:F9:00:EF:A3:BE:02:57
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-----

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 G2
Valid from
2013-08-01T12:00:00+00:00
Expires
2038-01-15T12:00:00+00:00
Days remaining
4089
Serial (hex)
033AF1E6A711A9A0BB2864B11D09FAE5
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

CB:3C:CB:B7:60:31:E5:E0:13:8F:8D:D3:9A:23:F9:DE:47:FF:C3:5E:43:C1:14:4C:EA:27:D4:6A:5A:B1:CB:5F
Certificate extensions & PEM
basicConstraints
CA:TRUE
keyUsage
Digital Signature, Certificate Sign, CRL Sign
subjectKeyIdentifier
4E:22:54:20:18:95:E6:E3:6E:E6:0F:FA:FA:B9:12:ED:06:17:8F:39
-----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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