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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

xturbo.net.br · 177.52.104.9:443

Unverified
Certificate verification failed. These are unverified certificate details presented by the server. Peer certificate CN=`mail.assinexturbo.com.br' did not match expected CN=`xturbo.net.br'

Certificate verification failed

Subject
CN=mail.assinexturbo.com.br
Issuer
C=US O=Let's Encrypt CN=YR1
Valid from
2026-08-11T18:02:09+00:00
Expires
2026-11-09T18:02:08+00:00
Days remaining
40
Serial (hex)
0577EA7116333DBCFE3ECCA5F3AD945648FA
Signature
RSA-SHA256
Public key
RSA 4096

Subject alternative names (SAN)

DNS:mail.assinexturbo.com.br

SHA-256 fingerprint

E0:89:D8:85:2B:92:4B:59:07:AD:BD:EB:80:13:D6:55:D4:0B:71:F6:C4:EB:24:79:C4:D6:F9:D4:DA:92:B1:A5
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:FALSE
subjectKeyIdentifier
6D:F5:C4:45:4C:A3:B4:F0:89:30:26:42:10:0C:05:AA:02:21:7E:73
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:mail.assinexturbo.com.br
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://yr1.c.lencr.org/123.crl
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : AF:67:88:3B:57:B0:4E:DD:8F:A6:D9:7E:F6:2E:A8:EB: 81:0A:C7:71:60:F0:24:5E:55:D6:0C:2F:E7:85:87:3A Timestamp : Aug 11 19:00:40.296 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:CA:5E:18:36:C9:60:FE:F0:77:71:47: B4:57:B4:DE:0C:D4:AA:26:10:78:63:4D:48:A4:05:B3: 6B:D6:BB:70:98:02:20:22:09:36:DD:18:17:DC:5C:B7: 11:B6:54:BE:5E:4E:8F:AF:8A:BB:7D:42:E7:CB:80:7C: 3C:ED:04:BA:74:D9:F8 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 1A:8B:9D:6B:0F:FE:BF:81:B4:79:39:C6:D2:31:0A:86: D6:D1:02:D4:F0:46:E2:18:2C:9D:E3:5F:5E:26:25:EF Timestamp : Aug 11 19:00:40.986 2026 GMT Extensions: 00:00:05:00:33:BD:A8:4C Signature : ecdsa-with-SHA256 30:44:02:20:1D:C8:86:3B:AF:3B:14:59:59:E6:B8:52: 45:9A:CC:82:93:43:6D:9C:E1:36:53:FA:F3:44:4C:CC: FB:37:6D:AB:02:20:19:46:31:13:C4:76:4E:06:47:F7: C7:56:C8:CB:44:EA:AB:BB:57:A2:5A:2D:AB:35:A8:C1: 02:30:D8:9B:73:A3
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-09-30T13:44:41+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
703
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
2164
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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