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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

dns3.scit.ch · 94.130.26.225:443

Verified

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

Subject
CN=dns3.scit.ch
Issuer
C=US O=Let's Encrypt CN=YR2
Valid from
2026-09-21T01:05:46+00:00
Expires
2026-12-20T01:05:45+00:00
Days remaining
84
Serial (hex)
057736F41D8D87D8DA43A4F912EC22D69D39
Signature
RSA-SHA256
Public key
RSA 4096

Subject alternative names (SAN)

DNS:dns3.scit.ch

SHA-256 fingerprint

E2:A6:D8:0B:FC:93:AD:DD:1A:A1:A3:3C:8B:C2:09:69:FB:85:F0:0D:32:BD:92:4E:79:C8:BA:AF:23:BB:37:3F
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:FALSE
subjectKeyIdentifier
D9:EB:26:97:35:56:9B:20:E8:8A:98:62:82:CF:A3:6D:EC:49:32:12
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:dns3.scit.ch
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://yr2.c.lencr.org/58.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 21 02:04:17.048 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:F6:A8:3B:89:CE:EE:A0:32:6C:A1:6D: F5:81:9E:B1:F0:DA:93:4A:5D:9D:E4:46:1E:FE:65:62: 22:42:93:37:C5:02:20:72:9A:E1:F4:CD:26:29:D5:4A: A1:4D:C2:10:29:C8:22:A4:1F:F2:BB:78:7C:65:4C:04: 33:2F:57:7B:AB:CB:9C 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 21 02:04:14.621 2026 GMT Extensions: 00:00:05:00:44:87:75:AD Signature : ecdsa-with-SHA256 30:46:02:21:00:D1:CF:51:8D:FA:8F:F2:F0:DD:AD:CE: 82:FE:BB:9C:8D:5A:F9:EA:A3:1F:F4:89:FA:43:18:1E: 2A:18:4D:15:42:02:21:00:C1:DC:33:AD:B4:29:C2:ED: 46:E8:95:57:4E:5E:28:58:C1:67:A2:62:12:CF:3C:17: C8:8D:7D:87:73:CE:0B:86
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-09-26T07:25:39+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
707
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
2168
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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