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

deutsche-glasfaser.de · 34.49.65.61:443

Verified

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

Subject
CN=www.deutsche-glasfaser.de
Issuer
C=US O=Google Trust Services CN=WR3
Valid from
2026-09-26T09:50:02+00:00
Expires
2026-12-25T10:45:57+00:00
Days remaining
74
Serial (hex)
3D7F795DFBEC72440954F9F03405F236
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:www.deutsche-glasfaser.de, DNS:deutsche-glasfaser.de

SHA-256 fingerprint

C1:99:F1:F0:77:FF:DF:13:48:8B:38:24:43:97:86:3D:9B:6E:5C:8B:55:DC:71:3F:A7:6C:25:FD:57:BA:8E:85
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:FALSE
subjectKeyIdentifier
C6:29:EE:F8:A6:AE:7B:95:E1:9A:1C:AC:03:9A:6A:29:73:BA:AC:A5
authorityKeyIdentifier
C7:81:F5:FD:8E:88:D9:00:3C:4D:63:A2:50:31:24:A0:CE:23:FE:23
authorityInfoAccess
CA Issuers - URI:http://i.pki.goog/wr3.crt
subjectAltName
DNS:www.deutsche-glasfaser.de, DNS:deutsche-glasfaser.de
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://c.pki.goog/wr3/nMI7ramGKcs.crl
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 : Sep 26 10:50:02.806 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:10:79:C2:C1:E9:57:30:B3:7E:C7:53:E7: C5:D2:B4:D9:0A:F0:2C:EE:F3:49:47:88:E7:7C:1A:EC: F4:B3:58:92:02:21:00:F4:B5:FD:6D:1D:CE:D2:48:BB: A3:FB:14:E7:0A:E4:92:31:A7:B2:1D:CA:1A:D9:52:4A: 67:B3:84:0A:84:7E:55 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 25:B7:EF:DE:A1:13:01:93:ED:93:07:97:70:AA:32:2A: 26:62:0D:E3:5A:C8:AA:7C:75:19:7D:E0:B1:A9:E0:65 Timestamp : Sep 26 10:50:02.941 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:42:43:AC:65:31:42:D3:0C:F0:6D:12:A4: 6C:DB:68:49:B0:E2:05:8E:9F:FA:F3:DB:A2:FB:7C:C6: E3:EA:55:53:02:20:58:BD:AF:37:8D:65:87:78:AE:E1: 77:60:33:90:FD:1B:0B:84:B6:81:56:0B:03:25:44:4B: A2:68:01:DA:1D:FF
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-10-11T15:47:09+00:00

Server-presented chain · 2 additional certificates

Chain certificate 1

Subject
C=US O=Google Trust Services CN=WR3
Issuer
C=US O=Google Trust Services LLC CN=GTS Root R1
Valid from
2023-12-13T09:00:00+00:00
Expires
2029-02-20T14:00:00+00:00
Days remaining
862
Serial (hex)
7FF005A91568D63ABC22861684AA4B5A
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

2F:E3:57:DB:13:75:1F:F9:16:0E:87:35:49:75:B3:40:74:98:F4:1C:9B:D1:6A:48:65:78:66:E6:E5:A9:B4:C7
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
C7:81:F5:FD:8E:88:D9:00:3C:4D:63:A2:50:31:24:A0:CE:23:FE:23
authorityKeyIdentifier
E4:AF:2B:26:71:1A:2B:48:27:85:2F:52:66:2C:EF:F0:89:13:71:3E
authorityInfoAccess
CA Issuers - URI:http://i.pki.goog/r1.crt
crlDistributionPoints
Full Name: URI:http://c.pki.goog/r/r1.crl
certificatePolicies
Policy: 2.23.140.1.2.1
-----BEGIN CERTIFICATE-----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=
-----END CERTIFICATE-----

Chain certificate 2

Subject
C=US O=Google Trust Services LLC CN=GTS Root R1
Issuer
C=BE O=GlobalSign nv-sa OU=Root CA CN=GlobalSign Root CA
Valid from
2020-06-19T00:00:42+00:00
Expires
2028-01-28T00:00:42+00:00
Days remaining
473
Serial (hex)
77BD0D6CDB36F91AEA210FC4F058D30D
Signature
RSA-SHA256
Public key
RSA 4096

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

3E:E0:27:8D:F7:1F:A3:C1:25:C4:CD:48:7F:01:D7:74:69:4E:6F:C5:7E:0C:D9:4C:24:EF:D7:69:13:39:18:E5
Certificate extensions & PEM
keyUsage
Digital Signature, Certificate Sign, CRL Sign
basicConstraints
CA:TRUE
subjectKeyIdentifier
E4:AF:2B:26:71:1A:2B:48:27:85:2F:52:66:2C:EF:F0:89:13:71:3E
authorityKeyIdentifier
60:7B:66:1A:45:0D:97:CA:89:50:2F:7D:04:CD:34:A8:FF:FC:FD:4B
authorityInfoAccess
OCSP - URI:http://ocsp.pki.goog/gsr1 CA Issuers - URI:http://pki.goog/gsr1/gsr1.crt
crlDistributionPoints
Full Name: URI:http://crl.pki.goog/gsr1/gsr1.crl
certificatePolicies
Policy: 2.23.140.1.2.1 Policy: 2.23.140.1.2.2 Policy: 1.3.6.1.4.1.11129.2.5.3.2 Policy: 1.3.6.1.4.1.11129.2.5.3.3
-----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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