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

srv-dns-01.spread.com.br · 177.154.141.2:443

Unverified
Certificate verification failed. These are unverified certificate details presented by the server. Peer certificate subjectAltName did not match expected name `srv-dns-01.spread.com.br'

Certificate verification failed

Subject
CN=spreadup.spread.com.br
Issuer
C=AT O=ZeroSSL GmbH CN=ZeroSSL RSA DV SSL CA 2
Valid from
2026-06-09T00:00:00+00:00
Expires
2026-12-24T23:59:59+00:00
Days remaining
79
Serial (hex)
EDF61439202FC51C236088928603A508
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:spreadup.spread.com.br

SHA-256 fingerprint

74:2C:16:5D:CA:52:A4:C9:FB:2E:8C:FE:D1:0A:FB:85:51:6D:E1:F6:79:84:C0:6D:6F:67:A5:02:22:9E:1C:CD
Certificate extensions & PEM
authorityKeyIdentifier
4B:BE:FA:76:84:23:44:04:B9:CE:BE:31:6F:E9:F5:32:06:FF:0C:57
subjectKeyIdentifier
B0:64:27:E4:B6:72:16:26:BD:59:CD:B4:11:54:A6:CA:91:46:1C:1B
keyUsage
Digital Signature, Key Encipherment
basicConstraints
CA:FALSE
extendedKeyUsage
TLS Web Server Authentication
certificatePolicies
Policy: 2.23.140.1.2.1
authorityInfoAccess
CA Issuers - URI:http://crt.sectigo.com/ZeroSSLRSADVSSLCA2.crt OCSP - URI:http://ocsp.sectigo.com
subjectAltName
DNS:spreadup.spread.com.br
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : D7:6D:7D:10:D1:A7:F5:77:C2:C7:E9:5F:D7:00:BF:F9: 82:C9:33:5A:65:E1:D0:B3:01:73:17:C0:C8:C5:69:77 Timestamp : Jun 9 13:48:02.587 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:E8:4F:9A:C8:27:69:9D:0E:7B:A0:87: 13:A7:88:35:DF:8F:3E:B4:47:46:E9:CC:C2:97:F2:47: 8D:D6:AF:20:16:02:20:57:DF:31:A1:C6:B1:3B:79:80: 33:6B:EC:B0:ED:1A:00:B6:0E:CB:40:28:A3:3C:B5:E0: 52:E4:5C:F2:97:2D:CE Signed Certificate Timestamp: Version : v1 (0x0) Log ID : C8:A3:C4:7F:C7:B3:AD:B9:35:6B:01:3F:6A:7A:12:6D: E3:3A:4E:43:A5:C6:46:F9:97:AD:39:75:99:1D:CF:9A Timestamp : Jun 9 13:48:02.397 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:87:3C:64:4A:1C:D1:BF:E4:21:1A:F3: 2B:35:4D:E1:53:06:02:F5:50:AA:68:A3:74:00:1B:20: 8C:F9:56:F3:EF:02:21:00:CF:00:D9:CD:C5:48:46:B6: C1:68:33:27:A7:9E:5E:AE:77:A9:C0:2A:44:62:55:21: 3C:79:96:10:7A:40:1D:66 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 : Jun 9 13:48:03.140 2026 GMT Extensions: 00:00:05:00:03:82:19:D4 Signature : ecdsa-with-SHA256 30:46:02:21:00:F5:AF:A8:E8:7B:A2:90:35:C6:89:19: 30:BE:CD:17:2B:78:46:C5:CC:88:0B:2C:FD:52:49:26: BE:7C:42:56:62:02:21:00:80:1B:15:06:19:75:E4:34: 81:CD:65:01:AA:C2:4F:8B:96:0C:C0:2B:A9:84:1B:24: 2D:46:37:62:66:34:E4:ED
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-10-06T17:16:06+00:00

Server-presented chain · 1 additional certificate

Chain certificate 1

Subject
C=AT O=ZeroSSL GmbH CN=ZeroSSL RSA DV SSL CA 2
Issuer
C=GB O=Sectigo Limited CN=Sectigo Public Server Authentication Root R46
Valid from
2025-09-24T00:00:00+00:00
Expires
2035-09-23T23:59:59+00:00
Days remaining
3274
Serial (hex)
D0A908255F8E50E5F3396D1114702A37
Signature
RSA-SHA384
Public key
RSA 3072

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

EC:9D:6B:CA:B9:81:8B:7D:D5:9E:D6:1D:A2:3A:65:8A:96:A9:C4:E9:50:ED:EE:0D:2D:A9:3E:7C:F2:17:47:80
Certificate extensions & PEM
authorityKeyIdentifier
56:73:58:64:95:F9:92:1A:B0:12:2A:04:62:79:A1:40:15:88:21:49
subjectKeyIdentifier
4B:BE:FA:76:84:23:44:04:B9:CE:BE:31:6F:E9:F5:32:06:FF:0C:57
keyUsage
Digital Signature, Certificate Sign, CRL Sign
basicConstraints
CA:TRUE, pathlen:0
extendedKeyUsage
TLS Web Server Authentication
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://crl.sectigo.com/SectigoPublicServerAuthenticationRootR46.crl
authorityInfoAccess
CA Issuers - URI:http://crt.sectigo.com/SectigoPublicServerAuthenticationRootR46.p7c OCSP - URI:http://ocsp.sectigo.com
-----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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