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

silicom.com.br · 138.97.107.62:443

Verified

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

Subject
CN=silicom.com.br
Issuer
C=US O=Let's Encrypt CN=YR2
Valid from
2026-09-08T12:34:07+00:00
Expires
2026-12-07T12:34:06+00:00
Days remaining
66
Serial (hex)
060403913C9DC8F87755BD2D56DB84DD92B7
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:*.silicom.com.br, DNS:sili.com.br, DNS:sili.net.br, DNS:sili.psi.br, DNS:silicom.com.br, DNS:silicom.net.br, DNS:silicom.psi.br, DNS:silicon.com.br, DNS:www.sili.com.br, DNS:www.sili.net.br, DNS:www.sili.psi.br, DNS:www.silicom.net.br, DNS:www.silicom.psi.br, DNS:www.silicon.com.br

SHA-256 fingerprint

19:77:BD:55:42:31:1E:4E:EE:14:03:E7:F5:A6:9A:7B:1D:E5:58:AD:6C:6A:5B:03:59:84:50:5F:CB:B0:E3:8D
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:FALSE
subjectKeyIdentifier
5E:EB:D1:67:5A:5B:50:30:EB:F6:A1:0A:FC:14:F9:3C:FB:F7:46:A0
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:*.silicom.com.br, DNS:sili.com.br, DNS:sili.net.br, DNS:sili.psi.br, DNS:silicom.com.br, DNS:silicom.net.br, DNS:silicom.psi.br, DNS:silicon.com.br, DNS:www.sili.com.br, DNS:www.sili.net.br, DNS:www.sili.psi.br, DNS:www.silicom.net.br, DNS:www.silicom.psi.br, DNS:www.silicon.com.br
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://yr2.c.lencr.org/56.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 8 13:32:37.331 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:B4:96:DA:3F:8E:5A:5B:05:49:5A:0E: 98:49:AD:23:60:24:36:83:FA:37:4D:01:A0:83:8A:A6: 01:B0:C2:0B:F2:02:20:60:A4:32:52:BA:5F:D3:A3:76: 84:26:0B:E0:5B:3D:C9:14:22:27:A0:6A:60:FE:0F:4E: 18:FE:3F:3B:F9:A3:12 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 6C:FE:50:19:43:A8:5E:A9:16:BC:52:D1:33:E4:DC:C9: 1E:F1:41:1C:7D:25:84:20:D1:73:80:9E:18:18:EB:3A Timestamp : Sep 8 13:32:37.662 2026 GMT Extensions: 00:00:05:00:30:49:E4:E9 Signature : ecdsa-with-SHA256 30:46:02:21:00:D3:DB:D7:50:25:49:37:6B:76:A7:50: 47:3F:95:EC:82:94:4D:FF:90:2E:5D:18:22:E9:CF:A0: 25:C6:F1:03:02:02:21:00:84:89:D7:7C:75:4D:FD:F9: 87:8B:94:C4:69:EB:F8:0F:B2:FC:EB:E2:28:88:04:2F: 46:74:1B:E3:0F:1F:49:1B
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-10-02T01:00:08+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
701
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
2162
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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