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

bnetza.de · 194.156.220.33:443

Verified

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

Subject
CN=www.bundesnetzagentur.de
Issuer
C=US O=Let's Encrypt CN=YR1
Valid from
2026-09-23T04:11:22+00:00
Expires
2026-12-22T04:11:21+00:00
Days remaining
68
Serial (hex)
05BB42A79B24E1173EC84844E03FD5890D2C
Signature
RSA-SHA256
Public key
RSA 4096

Subject alternative names (SAN)

DNS:bnetza.de, DNS:bundesnetzagentur.de, DNS:digitalclusterbonn.de, DNS:digitalservicescoordinator.de, DNS:dsc.bund.de, DNS:elektronische-vertrauensdienste.com, DNS:elektronische-vertrauensdienste.de, DNS:elektronische-vertrauensdienste.eu, DNS:gigabitforum.de, DNS:gigabitgrundbuch.bund.de, DNS:www.bnetza.de, DNS:www.bundesnetzagentur.de, DNS:www.digitalclusterbonn.de, DNS:www.digitalservicescoordinator.de, DNS:www.dsc.bund.de, DNS:www.elektronische-vertrauensdienste.com, DNS:www.elektronische-vertrauensdienste.de, DNS:www.elektronische-vertrauensdienste.eu, DNS:www.gigabitforum.de, DNS:www.gigabitgrundbuch.bund.de

SHA-256 fingerprint

B2:62:A0:DB:6B:1D:FD:70:F5:63:6D:86:30:E9:C2:68:D9:AA:10:42:A1:65:3E:64:24:58:7C:1D:85:9D:2D:C1
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:FALSE
subjectKeyIdentifier
2C:B0:ED:19:C4:D0:E1:35:8E:C3:C8:C4:5C:87:AF:83:EA:CB:1B:D0
authorityKeyIdentifier
1F:2F:35:BE:46:14:82:CD:40:B1:AE:79:2C:55:78:FA:F7:D4:68:FB
authorityInfoAccess
CA Issuers - URI:http://yr1.i.lencr.org/
subjectAltName
DNS:bnetza.de, DNS:bundesnetzagentur.de, DNS:digitalclusterbonn.de, DNS:digitalservicescoordinator.de, DNS:dsc.bund.de, DNS:elektronische-vertrauensdienste.com, DNS:elektronische-vertrauensdienste.de, DNS:elektronische-vertrauensdienste.eu, DNS:gigabitforum.de, DNS:gigabitgrundbuch.bund.de, DNS:www.bnetza.de, DNS:www.bundesnetzagentur.de, DNS:www.digitalclusterbonn.de, DNS:www.digitalservicescoordinator.de, DNS:www.dsc.bund.de, DNS:www.elektronische-vertrauensdienste.com, DNS:www.elektronische-vertrauensdienste.de, DNS:www.elektronische-vertrauensdienste.eu, DNS:www.gigabitforum.de, DNS:www.gigabitgrundbuch.bund.de
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://yr1.c.lencr.org/45.crl
ct_precert_scts
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 : Sep 23 05:09:52.192 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:4A:96:D3:B6:62:BE:6E:6B:37:28:0D:00: 5A:70:C4:CB:50:A1:ED:8F:CC:61:1C:FB:52:05:A8:EC: 26:1B:FF:52:02:21:00:D7:31:96:23:F2:D4:12:05:1D: 9B:07:A4:30:97:73:69:8F:15:68:75:D7:C6:8A:C6:59: 77:4D:E9:EE:89:02:A5 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : A2:81:00:18:73:4E:17:6E:1D:47:E0:95:40:F3:81:BA: 54:66:97:CD:63:A8:43:50:71:6E:B8:09:4E:DA:F1:0D Timestamp : Sep 23 05:09:52.653 2026 GMT Extensions: 00:00:05:00:12:F9:14:17 Signature : ecdsa-with-SHA256 30:45:02:21:00:9E:DD:4E:F3:45:D8:B2:1F:EE:42:65: A0:75:0B:2D:C0:A6:26:69:E8:38:0E:CE:A4:08:34:6A: 2C:8E:DB:48:26:02:20:67:FA:75:27:0B:09:55:F9:66: 45:96:54:CA:6F:99:48:BF:5F:A4:3C:B1:4D:BA:80:39: 92:61:69:62:F6:04:DF
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-10-15T03:57:52+00:00

Server-presented chain · 2 additional certificates

Chain certificate 1

Subject
C=US O=Let's Encrypt CN=YR1
Issuer
C=US O=ISRG CN=Root YR
Valid from
2025-09-03T00:00:00+00:00
Expires
2028-09-02T23:59:59+00:00
Days remaining
688
Serial (hex)
A20253F15F2691C05DC1CE13B9BCCA4E
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

13:94:96:34:D9:9C:D6:FD:6A:A8:0B:C0:34:FE:FA:CC:EB:19:69:FE:EF:98:65:86:71:3E:CD:BB:05:75:8D:3F
Certificate extensions & PEM
keyUsage
Digital Signature, Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:TRUE, pathlen:0
subjectKeyIdentifier
1F:2F:35:BE:46:14:82:CD:40:B1:AE:79:2C:55:78:FA:F7:D4:68:FB
authorityKeyIdentifier
DE:E7:5B:60:D0:22:6D:40:28:7D:3F:0D:01:FE:A4:B5:52:B4:51:94
authorityInfoAccess
CA Issuers - URI:http://yr.i.lencr.org/
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://yr.c.lencr.org/ 
-----BEGIN CERTIFICATE-----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=
-----END CERTIFICATE-----

Chain certificate 2

Subject
C=US O=ISRG CN=Root YR
Issuer
C=US O=Internet Security Research Group CN=ISRG Root X1
Valid from
2026-05-13T00:00:00+00:00
Expires
2032-09-02T23:59:59+00:00
Days remaining
2149
Serial (hex)
F24B6D17F9D9AD7CB1C9FEA78782699F
Signature
RSA-SHA256
Public key
RSA 4096

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

07:26:39:D0:B1:40:D5:BF:FA:E1:6A:D9:C3:F6:CC:60:86:04:06:21:F5:1E:E6:1A:6D:46:A8:91:5C:07:CF:76
Certificate extensions & PEM
keyUsage
Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:TRUE
subjectKeyIdentifier
DE:E7:5B:60:D0:22:6D:40:28:7D:3F:0D:01:FE:A4:B5:52:B4:51:94
authorityKeyIdentifier
79:B4:59:E6:7B:B6:E5:E4:01:73:80:08:88:C8:1A:58:F6:E9:9B:6E
authorityInfoAccess
CA Issuers - URI:http://x1.i.lencr.org/
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://x1.c.lencr.org/ 
-----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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