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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

atento.com · 20.122.54.115:443

Verified

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

Subject
C=ES ST=Madrid L=Madrid O=Atento Spain Holdco S.L CN=*.atento.com
Issuer
C=US O=DigiCert Inc OU=www.digicert.com CN=GeoTrust TLS RSA CA G1
Valid from
2025-11-27T00:00:00+00:00
Expires
2026-12-11T23:59:59+00:00
Days remaining
75
Serial (hex)
0FC06B1BF6D62B34684FE73918227FDF
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:*.atento.com, DNS:atento.com

SHA-256 fingerprint

33:C1:87:CC:6C:5D:E6:09:29:76:B0:4F:1F:D7:A4:38:FF:C1:F7:28:49:44:F8:EC:2B:1B:8F:51:41:71:9F:01
Certificate extensions & PEM
authorityKeyIdentifier
94:4F:D4:5D:8B:E4:A4:E2:A6:80:FE:FD:D8:F9:00:EF:A3:BE:02:57
subjectKeyIdentifier
85:4C:31:FC:9B:E5:55:E2:ED:F5:C0:2A:B2:0F:5E:16:DF:BD:BB:B8
subjectAltName
DNS:*.atento.com, DNS:atento.com
certificatePolicies
Policy: 2.23.140.1.2.2 CPS: http://www.digicert.com/CPS
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
crlDistributionPoints
Full Name: URI:http://cdp.geotrust.com/GeoTrustTLSRSACAG1.crl
authorityInfoAccess
OCSP - URI:http://status.geotrust.com CA Issuers - URI:http://cacerts.geotrust.com/GeoTrustTLSRSACAG1.crt
basicConstraints
CA:FALSE
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 : Nov 27 20:13:51.337 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:4E:12:B5:5F:56:F1:47:3D:F3:75:1B:10: 0C:B0:49:21:46:7E:4F:CF:BD:C4:72:25:3C:2C:86:78: A4:D1:42:44:02:20:77:A9:39:CB:6C:A0:68:3A:F5:EC: 80:EE:85:FB:31:C7:1D:9A:62:36:0B:F3:A1:2F:DA:FF: 63:E1:91:0B:A4:2F 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 : Nov 27 20:13:51.319 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:38:58:27:5C:B7:8C:75:78:D4:E9:B6:BC: 01:57:83:6C:01:40:77:04:17:20:19:42:2E:B9:63:28: FD:24:66:3A:02:20:24:6E:EE:64:B4:9F:A8:51:8D:74: F4:E6:55:3C:D4:C3:11:66:DD:45:98:8E:EA:9E:87:79: F8:CC:AB:71:76:51 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 : Nov 27 20:13:51.337 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:C9:87:94:EF:BA:EA:05:F7:9F:C8:A1: E0:92:6E:E8:FB:3B:15:38:B2:47:49:3C:2B:5D:DC:BC: B5:31:21:5C:9F:02:20:6A:11:5E:83:E5:D6:FE:30:33: 29:16:81:0C:98:1C:ED:06:2E:93:46:47:02:28:D4:6C: 08:69:AA:80:9A:B4:3A
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-09-27T12:02:44+00:00

Server-presented chain · 1 additional certificate

Chain certificate 1

Subject
C=US O=DigiCert Inc OU=www.digicert.com CN=GeoTrust TLS RSA CA G1
Issuer
C=US O=DigiCert Inc OU=www.digicert.com CN=DigiCert Global Root G2
Valid from
2017-11-02T12:23:37+00:00
Expires
2027-11-02T12:23:37+00:00
Days remaining
401
Serial (hex)
0D07782A133FC6F9A57296E131FFD179
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

C0:6E:30:7F:7C:FC:1D:32:FA:72:A4:C0:33:C8:7B:90:01:9A:F2:16:F0:77:5D:64:97:8A:2E:CA:6C:8A:23:0E
Certificate extensions & PEM
subjectKeyIdentifier
94:4F:D4:5D:8B:E4:A4:E2:A6:80:FE:FD:D8:F9:00:EF:A3:BE:02:57
authorityKeyIdentifier
4E:22:54:20:18:95:E6:E3:6E:E6:0F:FA:FA:B9:12:ED:06:17:8F:39
keyUsage
Digital Signature, Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
basicConstraints
CA:TRUE, pathlen:0
authorityInfoAccess
OCSP - URI:http://ocsp.digicert.com
crlDistributionPoints
Full Name: URI:http://crl3.digicert.com/DigiCertGlobalRootG2.crl
certificatePolicies
Policy: X509v3 Any Policy CPS: https://www.digicert.com/CPS
-----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.

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