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

TLSv1.2

infosys.com · 35.71.178.178:443

Unverified
Certificate verification failed. These are unverified certificate details presented by the server. SSL operation failed with code 1. OpenSSL Error messages: error:0A000086:SSL routines::certificate verify failed
The certificate expires within 30 days.

Certificate verification failed

Subject
C=IN ST=Karnataka L=Banglore O=Infosys Limited CN=infosys.com
Issuer
C=IN O=eMudhra Technologies Limited CN=EM OV TLS CA - G2A-1
Valid from
2026-10-16T10:52:45+00:00
Expires
2026-11-07T07:46:33+00:00
Days remaining
13
Serial (hex)
E3981CCFBC3A731142058AE66D6638
Signature
RSA-SHA384
Public key
RSA 2048

Subject alternative names (SAN)

DNS:infosys.com

SHA-256 fingerprint

08:19:F5:A8:0A:5C:CA:E9:A9:CD:72:E5:62:BF:6F:D6:C2:59:F3:5F:75:77:A7:BE:27:D4:8C:30:D8:9D:A2:ED
Certificate extensions & PEM
authorityKeyIdentifier
37:C4:D2:4A:F9:28:65:41:CE:F8:94:13:7F:20:15:EE:A7:80:5D:37
subjectKeyIdentifier
E0:E0:87:A1:66:B7:7A:42:73:4B:07:10:A1:D1:42:97:0E:0D:9A:DC
subjectAltName
DNS:infosys.com
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication
crlDistributionPoints
Full Name: URI:http://crl.emsign.com?EMOVTLSCAG2A1.crl
certificatePolicies
Policy: 1.3.6.1.4.1.50977.1.2.110 Policy: 1.3.6.1.4.1.50977.1.0.1.1 CPS: http://repository.emsign.com Policy: 2.23.140.1.2.2
authorityInfoAccess
OCSP - URI:http://ocsp-a.emsign.com CA Issuers - URI:http://repository.emsign.com/certs/EMOVTLSCAG2A1EE.p7c
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 : Oct 16 10:52:46.191 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:5D:6E:D5:10:97:49:B8:F1:B7:D8:04:8B: 7B:DC:C6:0E:81:B1:B5:28:30:CF:46:E3:64:E1:55:05: 16:FD:14:FE:02:21:00:97:E2:72:A8:EE:EC:3A:8E:C6: 4E:23:27:51:B1:0B:9F:67:C1:36:18:D7:97:A7:07:3D: 14:20:53:83:2E:0C:64 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : CB:38:F7:15:89:7C:84:A1:44:5F:5B:C1:DD:FB:C9:6E: F2:9A:59:CD:47:0A:69:05:85:B0:CB:14:C3:14:58:E7 Timestamp : Oct 16 10:52:46.135 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:EA:00:28:B2:93:63:D6:18:11:E6:8C: 8A:1F:C7:A0:67:1B:E4:12:6A:73:DB:5E:24:BD:86:6C: 40:B3:AC:4E:5A:02:21:00:D1:7D:76:8A:13:10:5D:E0: 7F:19:BB:D1:0C:94:03:31:86:59:87:7E:E5:75:71:DE: BE:CC:EA:2E:FD:A3:88:14 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 : Oct 16 10:52:46.752 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:71:19:A9:6D:51:FB:5E:D6:2E:CC:E3:AF: CF:87:9A:A9:38:EC:1F:18:91:1F:BE:28:C1:25:68:6A: F9:76:70:68:02:21:00:DA:B7:C2:FA:DF:D5:2A:AA:04: 22:7F:D1:5D:E5:DB:88:88:97:20:4D:C6:9C:92:FF:84: C7:BD:A0:76:5E:8C:98
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: ECDHE-RSA-AES128-GCM-SHA256 · Checked 2026-10-24T08:46:06+00:00

Server-presented chain · 2 additional certificates

Chain certificate 1

Subject
C=GB ST=Greater Manchester L=Salford O=Comodo CA Limited CN=AAA Certificate Services
Issuer
C=GB ST=Greater Manchester L=Salford O=Comodo CA Limited CN=AAA Certificate Services
Valid from
2004-01-01T00:00:00+00:00
Expires
2028-12-31T23:59:59+00:00
Days remaining
799
Serial (hex)
01
Signature
RSA-SHA1
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

D7:A7:A0:FB:5D:7E:27:31:D7:71:E9:48:4E:BC:DE:F7:1D:5F:0C:3E:0A:29:48:78:2B:C8:3E:E0:EA:69:9E:F4
Certificate extensions & PEM
subjectKeyIdentifier
A0:11:0A:23:3E:96:F1:07:EC:E2:AF:29:EF:82:A5:7F:D0:30:A4:B4
keyUsage
Certificate Sign, CRL Sign
basicConstraints
CA:TRUE
crlDistributionPoints
Full Name: URI:http://crl.comodoca.com/AAACertificateServices.crl Full Name: URI:http://crl.comodo.net/AAACertificateServices.crl 
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Chain certificate 2

Subject
C=IN O=eMudhra Technologies Limited CN=EM OV TLS CA - G2A-1
Issuer
C=GB ST=Greater Manchester L=Salford O=Comodo CA Limited CN=AAA Certificate Services
Valid from
2025-06-18T00:00:00+00:00
Expires
2028-12-31T23:59:59+00:00
Days remaining
799
Serial (hex)
49CA1A0221C19698975E1EC6F4EDA4D1
Signature
RSA-SHA256
Public key
RSA 4096

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

E0:DA:30:FF:73:84:B9:87:3E:DE:9F:B2:DB:A7:F1:35:3C:7E:60:ED:59:BB:9A:43:77:9F:9E:84:94:A4:7B:AC
Certificate extensions & PEM
authorityKeyIdentifier
A0:11:0A:23:3E:96:F1:07:EC:E2:AF:29:EF:82:A5:7F:D0:30:A4:B4
subjectKeyIdentifier
37:C4:D2:4A:F9:28:65:41:CE:F8:94:13:7F:20:15:EE:A7:80:5D:37
keyUsage
Certificate Sign, CRL Sign
basicConstraints
CA:TRUE, pathlen:0
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
certificatePolicies
Policy: 2.23.140.1.2.2 Policy: 1.3.6.1.4.1.50977.1.0.1 Policy: 1.3.6.1.4.1.50977.1.2.110
crlDistributionPoints
Full Name: URI:http://crl.comodoca.com/AAACertificateServices.crl
authorityInfoAccess
OCSP - URI:http://ocsp.comodoca.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

Registration / WHOIS →DNS records →