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

jacobs.com · 3.230.178.39:443

Verified

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

Subject
C=US ST=Texas L=Dallas O=Jacobs Solutions Inc. CN=jacobs.com
Issuer
C=US O=DigiCert Inc CN=DigiCert Global G2 TLS RSA SHA256 2020 CA1
Valid from
2026-05-04T00:00:00+00:00
Expires
2026-11-18T23:59:59+00:00
Days remaining
42
Serial (hex)
0F2EEBD4CBBD0FEBFC38A305AE897763
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:jacobs.com, DNS:www.jacobs.com

SHA-256 fingerprint

A4:2C:1D:F2:62:C1:AE:39:C7:D0:79:A4:3C:C2:FD:B8:43:57:87:8A:D8:31:E1:80:C4:47:92:16:CC:45:6E:18
Certificate extensions & PEM
authorityKeyIdentifier
74:85:80:C0:66:C7:DF:37:DE:CF:BD:29:37:AA:03:1D:BE:ED:CD:17
subjectKeyIdentifier
F3:CE:81:B1:21:B3:34:C3:BD:55:32:44:E3:0C:05:61:5C:41:97:EE
subjectAltName
DNS:jacobs.com, DNS:www.jacobs.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
crlDistributionPoints
Full Name: URI:http://crl3.digicert.com/DigiCertGlobalG2TLSRSASHA2562020CA1-1.crl Full Name: URI:http://crl4.digicert.com/DigiCertGlobalG2TLSRSASHA2562020CA1-1.crl
authorityInfoAccess
OCSP - URI:http://ocsp.digicert.com CA Issuers - URI:http://cacerts.digicert.com/DigiCertGlobalG2TLSRSASHA2562020CA1-1.crt
basicConstraints
CA:FALSE
ct_precert_scts
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 : May 4 12:28:52.506 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:C0:8D:9A:B8:06:16:54:3B:38:3A:F2: B3:8A:41:07:4D:DA:75:E9:46:72:B4:B6:88:FD:79:E8: B9:56:20:81:BE:02:20:73:3A:11:4B:C5:44:40:80:9B: 5E:44:94:9F:D0:E7:35:AF:A8:37:16:85:7B:B5:32:08: 04:B1:09:45:72:1A:C6 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 : May 4 12:28:52.480 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:35:7A:38:BA:DB:91:10:FA:5F:09:F4:AF: B8:9F:95:8E:C3:E1:80:5D:E1:43:2B:9D:E4:A3:31:EA: D4:56:84:DA:02:21:00:95:53:34:6E:B7:2F:24:43:5E: F7:82:F1:EC:57:07:3B:98:AB:28:CA:F0:04:5F:6A:15: E1:1A:85:10:DE:19:F9 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 94:4E:43:87:FA:EC:C1:EF:81:F3:19:24:26:A8:18:65: 01:C7:D3:5F:38:02:01:3F:72:67:7D:55:37:2E:19:D8 Timestamp : May 4 12:28:52.525 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:09:43:19:19:B6:C7:F8:98:59:B5:BD:6D: 81:F9:AE:62:B6:FE:B9:73:93:28:B7:84:5A:2E:43:46: 6C:9C:99:06:02:21:00:E5:AA:EA:9C:69:08:CC:FD:9C: B8:3F:21:65:0D:97:9D:84:1F:45:3C:5F:1F:CD:57:24: 87:25:37:94:0D:9F:6A
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-10-07T13:00:03+00:00

Server-presented chain · 1 additional certificate

Chain certificate 1

Subject
C=US O=DigiCert Inc CN=DigiCert Global G2 TLS RSA SHA256 2020 CA1
Issuer
C=US O=DigiCert Inc OU=www.digicert.com CN=DigiCert Global Root G2
Valid from
2021-03-30T00:00:00+00:00
Expires
2031-03-29T23:59:59+00:00
Days remaining
1634
Serial (hex)
0CF5BD062B5602F47AB8502C23CCF066
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

C8:02:5F:9F:C6:5F:DF:C9:5B:3C:A8:CC:78:67:B9:A5:87:B5:27:79:73:95:79:17:46:3F:C8:13:D0:B6:25:A9
Certificate extensions & PEM
basicConstraints
CA:TRUE, pathlen:0
subjectKeyIdentifier
74:85:80:C0:66:C7:DF:37:DE:CF:BD:29:37:AA:03:1D:BE:ED:CD:17
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
authorityInfoAccess
OCSP - URI:http://ocsp.digicert.com CA Issuers - URI:http://cacerts.digicert.com/DigiCertGlobalRootG2.crt
crlDistributionPoints
Full Name: URI:http://crl3.digicert.com/DigiCertGlobalRootG2.crl
certificatePolicies
Policy: 2.16.840.1.114412.2.1 Policy: 2.23.140.1.1 Policy: 2.23.140.1.2.1 Policy: 2.23.140.1.2.2 Policy: 2.23.140.1.2.3
-----BEGIN CERTIFICATE-----
MIIEyDCCA7CgAwIBAgIQDPW9BitWAvR6uFAsI8zwZjANBgkqhkiG9w0BAQsFADBh
MQswCQYDVQQGEwJVUzEVMBMGA1UEChMMRGlnaUNlcnQgSW5jMRkwFwYDVQQLExB3
d3cuZGlnaWNlcnQuY29tMSAwHgYDVQQDExdEaWdpQ2VydCBHbG9iYWwgUm9vdCBH
MjAeFw0yMTAzMzAwMDAwMDBaFw0zMTAzMjkyMzU5NTlaMFkxCzAJBgNVBAYTAlVT
MRUwEwYDVQQKEwxEaWdpQ2VydCBJbmMxMzAxBgNVBAMTKkRpZ2lDZXJ0IEdsb2Jh
bCBHMiBUTFMgUlNBIFNIQTI1NiAyMDIwIENBMTCCASIwDQYJKoZIhvcNAQEBBQAD
ggEPADCCAQoCggEBAMz3EGJPprtjb+2QUlbFbSd7ehJWivH0+dbn4Y+9lavyYEEV
cNsSAPonCrVXOFt9slGTcZUOakGUWzUb+nv6u8W+JDD+Vu/E832X4xT1FE3LpxDy
FuqrIvAxIhFhaZAmunjZlx/jfWardUSVc8is/+9dCopZQ+GssjoP80j812s3wWPc
3kbW20X+fSP9kOhRBx5Ro1/tSUZUfyyIxfQTnJcVPAPooTncaQwywa8WV0yUR0J8
osicfebUTVSvQpmowQTCd5zWSOTOEeAqgJnwQ3DPP3Zr0UxJqyRewg2C/Uaoq2yT
zGJSQnWS+Jr6Xl6ysGHlHx+5fwmY6D36g39HaaECAwEAAaOCAYIwggF+MBIGA1Ud
EwEB/wQIMAYBAf8CAQAwHQYDVR0OBBYEFHSFgMBmx9833s+9KTeqAx2+7c0XMB8G
A1UdIwQYMBaAFE4iVCAYlebjbuYP+vq5Eu0GF485MA4GA1UdDwEB/wQEAwIBhjAd
BgNVHSUEFjAUBggrBgEFBQcDAQYIKwYBBQUHAwIwdgYIKwYBBQUHAQEEajBoMCQG
CCsGAQUFBzABhhhodHRwOi8vb2NzcC5kaWdpY2VydC5jb20wQAYIKwYBBQUHMAKG
NGh0dHA6Ly9jYWNlcnRzLmRpZ2ljZXJ0LmNvbS9EaWdpQ2VydEdsb2JhbFJvb3RH
Mi5jcnQwQgYDVR0fBDswOTA3oDWgM4YxaHR0cDovL2NybDMuZGlnaWNlcnQuY29t
L0RpZ2lDZXJ0R2xvYmFsUm9vdEcyLmNybDA9BgNVHSAENjA0MAsGCWCGSAGG/WwC
ATAHBgVngQwBATAIBgZngQwBAgEwCAYGZ4EMAQICMAgGBmeBDAECAzANBgkqhkiG
9w0BAQsFAAOCAQEAkPFwyyiXaZd8dP3A+iZ7U6utzWX9upwGnIrXWkOH7U1MVl+t
wcW1BSAuWdH/SvWgKtiwla3JLko716f2b4gp/DA/JIS7w7d7kwcsr4drdjPtAFVS
slme5LnQ89/nD/7d+MS5EHKBCQRfz5eeLjJ1js+aWNJXMX43AYGyZm0pGrFmCW3R
bpD0ufovARTFXFZkAdl9h6g4U5+LXUZtXMYnhIHUfoyMo5tS58aI7Dd8KvvwVVo4
chDYABPPTHPbqjc1qCmBaZx2vN4Ye5DUys/vZwP9BFohFrH/6j/f3IL16/RZkiMN
JCqVJUzKoZHm1Lesh3Sz8W2jmdv51b2EQJ8HmA==
-----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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