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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

scit.ch · 5.9.25.247:443

Verified

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

Subject
CN=scit.ch
Issuer
C=US O=Let's Encrypt CN=YR2
Valid from
2026-09-01T04:52:02+00:00
Expires
2026-11-30T04:52:01+00:00
Days remaining
68
Serial (hex)
05FC163DABD8B161D4C6ACF11100043075E8
Signature
RSA-SHA256
Public key
RSA 4096

Subject alternative names (SAN)

DNS:scit.ch, DNS:www.scit.ch

SHA-256 fingerprint

04:A4:29:23:4D:47:86:30:3D:4C:DF:39:3A:FB:25:8F:C8:77:B7:3E:2E:1C:43:A4:D9:D8:F1:D7:85:B2:E4:F7
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:FALSE
subjectKeyIdentifier
C7:24:4B:86:E1:AF:41:D7:6D:24:FD:6A:38:76:BF:57:C4:C8:73:AB
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:scit.ch, DNS:www.scit.ch
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://yr2.c.lencr.org/105.crl
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 : Sep 1 05:50:33.004 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:28:1B:D0:41:C4:2D:FB:0E:9C:31:37:D5: 6E:15:2A:A3:8B:69:C8:DD:28:5C:81:92:37:67:BF:59: 9A:34:AB:E9:02:20:49:E6:16:F4:EC:16:99:B4:5F:9F: 27:0C:B8:8A:00:A8:98:7D:69:83:B5:F5:74:84:BD:38: 47:B1:80:33:FA:24 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 26:E3:64:6E:58:69:21:23:BC:34:3F:47:24:35:9B:37: 92:CD:24:5A:88:D8:15:D3:93:33:FD:99:18:AB:47:23 Timestamp : Sep 1 05:50:31.168 2026 GMT Extensions: 00:00:05:00:3B:7B:80:5D Signature : ecdsa-with-SHA256 30:45:02:21:00:97:25:57:E2:6F:45:F9:51:2C:34:69: 24:25:8C:6C:0B:56:FD:AF:46:C7:2C:C7:DF:49:6F:DB: 6B:D8:0F:23:F3:02:20:2E:B4:F4:D7:E6:1A:F8:94:4A: AB:85:32:44:BC:0A:C7:50:87:E5:A3:D7:16:96:80:6B: 90:1D:98:22:25:60:FF
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-09-22T21:00:19+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
711
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
2172
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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