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

powerb.swiss · 92.42.191.241:443

Verified

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

Subject
CN=powerb.swiss
Issuer
C=US O=Let's Encrypt CN=YR2
Valid from
2026-09-30T07:42:00+00:00
Expires
2026-12-29T07:41:59+00:00
Days remaining
49
Serial (hex)
0610EEC54762CE0D81523172B5996EA6BD62
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:powerb.de, DNS:powerb.es, DNS:powerb.eu, DNS:powerb.it, DNS:powerb.net, DNS:powerb.pt, DNS:powerb.swiss, DNS:smartersolutions.ch, DNS:www.powerb.de, DNS:www.powerb.es, DNS:www.powerb.eu, DNS:www.powerb.it, DNS:www.powerb.net, DNS:www.powerb.pt, DNS:www.powerb.swiss, DNS:www.smartersolutions.ch

SHA-256 fingerprint

64:C6:18:D4:42:DD:BB:F8:9A:FA:05:3C:2D:5D:95:35:1F:6D:DA:32:C3:9E:0E:62:2C:09:41:BD:4F:3D:94:4C
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:FALSE
subjectKeyIdentifier
2B:62:AA:99:02:A7:2A:7F:9C:DC:41:4B:E9:68:48:35:E7:E9:72:AF
authorityKeyIdentifier
40:15:2D:26:79:ED:32:20:9E:DF:9A:72:1D:D6:32:1F:81:0C:81:0C
authorityInfoAccess
CA Issuers - URI:http://yr2.i.lencr.org/
subjectAltName
DNS:powerb.de, DNS:powerb.es, DNS:powerb.eu, DNS:powerb.it, DNS:powerb.net, DNS:powerb.pt, DNS:powerb.swiss, DNS:smartersolutions.ch, DNS:www.powerb.de, DNS:www.powerb.es, DNS:www.powerb.eu, DNS:www.powerb.it, DNS:www.powerb.net, DNS:www.powerb.pt, DNS:www.powerb.swiss, DNS:www.smartersolutions.ch
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://yr2.c.lencr.org/99.crl
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : CB:38:F7:15:89:7C:84:A1:44:5F:5B:C1:DD:FB:C9:6E: F2:9A:59:CD:47:0A:69:05:85:B0:CB:14:C3:14:58:E7 Timestamp : Sep 30 08:40:31.023 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:F0:21:F3:D8:52:C8:3E:17:45:74:CD: BC:19:B7:55:AC:99:A1:2D:54:9D:A2:EC:DB:9C:F8:5D: 3E:42:10:69:C0:02:21:00:FA:96:1D:C7:39:F1:78:54: 2A:D8:22:DD:BF:84:FF:70:37:1A:FD:2B:CA:C7:58:6E: 0F:9C:CF:28:42:25:79:25 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 : Sep 30 08:40:31.862 2026 GMT Extensions: 00:00:05:00:18:74:CD:9E Signature : ecdsa-with-SHA256 30:44:02:20:7B:AB:E3:17:04:48:74:4E:30:AE:78:08: CA:07:8F:2D:73:5B:79:EB:FB:0F:E0:DB:31:0A:A0:5F: 37:D9:57:E5:02:20:72:5A:1A:22:8C:A2:78:54:B6:4A: 13:76:E3:3D:8F:30:E2:B9:33:A3:13:11:6C:98:8E:C5: 5E:0F:8B:04:35:4D
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-11-09T16:21:36+00:00

Server-presented chain · 2 additional certificates

Chain certificate 1

Subject
C=US O=Let's Encrypt CN=YR2
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
663
Serial (hex)
4EBD24947E24D394802D84A52FD5B319
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

23:8B:85:A0:09:9C:65:B9:70:47:7D:57:24:F1:A1:D4:75:CE:50:58:CF:FE:4E:FA:87:33:89:9B:DB:86:3C:47
Certificate extensions & PEM
keyUsage
Digital Signature, Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:TRUE, pathlen:0
subjectKeyIdentifier
40:15:2D:26:79:ED:32:20:9E:DF:9A:72:1D:D6:32:1F:81:0C:81:0C
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
2124
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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