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

smtp.fortinet.com · 208.91.113.81:443

Verified

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

Subject
C=US ST=California L=Sunnyvale O=Fortinet, Inc. CN=fortinet.com
Issuer
C=US O=DigiCert Inc CN=DigiCert Global G2 TLS RSA SHA256 2020 CA1
Valid from
2026-09-25T00:00:00+00:00
Expires
2027-04-11T23:59:59+00:00
Days remaining
154
Serial (hex)
05A4D24B5B30415CC1C9DA2D25B34558
Signature
RSA-SHA256
Public key
RSA 4096

Subject alternative names (SAN)

DNS:fortinet.com, DNS:*.mss.fortinet.com, DNS:fortiguard.com, DNS:*.fortiguard.com, DNS:minio-server-api.k8s.devops.corp.fortinet.com, DNS:*.corp.fortinet.com, DNS:*.van.corp.fortinet.com, DNS:*.fortivoice.com, DNS:*.myfortinet.com, DNS:*.fortinet.net, DNS:forticloud.com, DNS:*.forticloud.com, DNS:*.fortinet.com, DNS:*.lacework.com, DNS:*.lacework.net, DNS:*.polygraph.com, DNS:*.nextdlp.com, DNS:test.mfcts.mss.fortinet.com, DNS:fortinextdlp.tech, DNS:forticlient.com, DNS:www.forticlient.com, DNS:fortidemo.com, DNS:www.fortidemo.com, DNS:fortinet.org, DNS:www.fortinet.org, DNS:submission.fortimail.com, DNS:zonefox.com, DNS:www.zonefox.com, DNS:forticnp-aws.com, DNS:www.forticnp-aws.com, DNS:fortinetaccelerate.com, DNS:fortiiam.com, DNS:fortimeet.com, DNS:fortiteams.com, DNS:repo.fortisoar.fortinet.com, DNS:www.concourselabs.com, DNS:forti.net, DNS:fortinextdlp.art, DNS:fortinextdlp.cloud, DNS:fortinextdlp.co.uk, DNS:fortinextdlp.info, DNS:fortinextdlp.net, DNS:fortinextdlp.online, DNS:fortinextdlp.store, DNS:faz3.us.soc.fortinet.com, DNS:*.soc.fortinet.com, DNS:faz1.us.soc.fortinet.com, DNS:faz2.us.soc.fortinet.com

SHA-256 fingerprint

B9:52:4D:64:C9:F6:A3:0E:DE:40:5C:DB:70:59:DB:90:FA:BE:C3:46:98:54:E3:A4:BD:DD:B2:7E:93:B7:71:1D
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
76:8D:B9:88:57:BD:AC:6C:2C:8B:98:F6:A2:1A:14:B9:51:FD:91:99
subjectAltName
DNS:fortinet.com, DNS:*.mss.fortinet.com, DNS:fortiguard.com, DNS:*.fortiguard.com, DNS:minio-server-api.k8s.devops.corp.fortinet.com, DNS:*.corp.fortinet.com, DNS:*.van.corp.fortinet.com, DNS:*.fortivoice.com, DNS:*.myfortinet.com, DNS:*.fortinet.net, DNS:forticloud.com, DNS:*.forticloud.com, DNS:*.fortinet.com, DNS:*.lacework.com, DNS:*.lacework.net, DNS:*.polygraph.com, DNS:*.nextdlp.com, DNS:test.mfcts.mss.fortinet.com, DNS:fortinextdlp.tech, DNS:forticlient.com, DNS:www.forticlient.com, DNS:fortidemo.com, DNS:www.fortidemo.com, DNS:fortinet.org, DNS:www.fortinet.org, DNS:submission.fortimail.com, DNS:zonefox.com, DNS:www.zonefox.com, DNS:forticnp-aws.com, DNS:www.forticnp-aws.com, DNS:fortinetaccelerate.com, DNS:fortiiam.com, DNS:fortimeet.com, DNS:fortiteams.com, DNS:repo.fortisoar.fortinet.com, DNS:www.concourselabs.com, DNS:forti.net, DNS:fortinextdlp.art, DNS:fortinextdlp.cloud, DNS:fortinextdlp.co.uk, DNS:fortinextdlp.info, DNS:fortinextdlp.net, DNS:fortinextdlp.online, DNS:fortinextdlp.store, DNS:faz3.us.soc.fortinet.com, DNS:*.soc.fortinet.com, DNS:faz1.us.soc.fortinet.com, DNS:faz2.us.soc.fortinet.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 : 4C:63:DC:98:E5:9C:1D:AB:88:F6:1E:8A:3D:DE:AE:8F: AB:44:A3:37:7B:5F:9B:94:C3:FB:A1:9C:FC:C1:BE:26 Timestamp : Sep 25 17:48:56.720 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:92:DD:BA:4B:54:8E:24:83:B9:51:70: 5D:58:AA:6E:59:BB:4A:2E:BE:2C:99:30:B0:B8:79:2D: 13:1C:23:AB:C2:02:20:7B:43:9E:0C:E8:3C:6B:84:E8: F1:BB:B0:4E:C1:E0:35:8F:48:78:6C:26:13:EB:FB:0E: CD:D9:F7:CA:08:17:7C Signed Certificate Timestamp: Version : v1 (0x0) Log ID : D6:D5:8D:A9:D0:17:53:F3:6A:4A:A0:C7:57:49:02:AF: EB:C7:DC:2C:D3:8C:D9:F7:64:C8:0C:89:19:1E:9F:02 Timestamp : Sep 25 17:48:56.723 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:8A:68:96:EC:5B:96:56:D7:79:56:A7: 3F:64:8C:8D:35:3F:86:3D:86:EF:84:F1:F1:FC:9A:D1: A7:00:0C:5D:6B:02:20:3E:52:18:71:78:62:0A:8A:E1: D7:26:AF:C7:30:C0:0F:29:6B:2D:33:CB:48:BD:55:F3: 88:39:C8:5F:05:67:9F Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 44:C2:BD:0C:E9:14:0E:64:A5:C9:4A:01:93:0A:5A:A1: BB:35:97:0E:00:EE:11:16:89:68:2A:1C:44:D7:B5:66 Timestamp : Sep 25 17:48:56.779 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:E4:82:EB:AD:44:C3:8F:F6:1F:C5:B4: 5A:3E:3D:B4:16:AA:C3:6E:BC:55:5C:E2:03:32:40:F2: 4D:BF:A0:7B:E5:02:21:00:A7:39:78:47:8F:90:F5:3F: B2:BA:D7:B4:BA:18:4D:4D:FF:AC:24:E5:1D:2C:4C:DD: 64:25:74:9F:51:BB:15:1E
-----BEGIN CERTIFICATE-----
MIILbzCCClegAwIBAgIQBaTSS1swQVzBydotJbNFWDANBgkqhkiG9w0BAQsFADBZ
MQswCQYDVQQGEwJVUzEVMBMGA1UEChMMRGlnaUNlcnQgSW5jMTMwMQYDVQQDEypE
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qCiSJI8clwGr4XUv8fUikXCV/WjR6zVB3CmZuWW3ecaU0FB8xqiudaBQXdyeUn2r
A653tXcOKsgKVgxvmsw+V4XnVERcAvvvqDQY4JyAk/4r6ILh11FmTAdjL68tJ8LD
fVfxzyvj12vDg6lL2VuL4rPLj102fHs6TsyDr9+wAVCOAxwdg9DQkryo06FMXLmK
UDLv
-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-11-08T11:36:10+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
1602
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-----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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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