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

cologix.com · 192.124.249.105:443

Verified

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

Subject
CN=cologix.com
Issuer
C=US O=Starfield Technologies CN=Starfield TLS Intermediate CA DV - R1v1
Valid from
2026-10-15T17:17:27+00:00
Expires
2027-01-13T17:17:27+00:00
Days remaining
79
Serial (hex)
E1746F26D6EBBCA6
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:www.cologix.com, DNS:cologix.com

SHA-256 fingerprint

92:E4:96:8F:86:7A:29:8D:67:5F:C6:5B:96:74:B4:87:5E:97:0F:82:1A:31:DE:F6:E3:3C:43:43:44:28:D6:A1
Certificate extensions & PEM
basicConstraints
CA:FALSE
extendedKeyUsage
TLS Web Server Authentication
keyUsage
Digital Signature, Key Encipherment
crlDistributionPoints
Full Name: URI:http://crl.starfieldtech.com/sfr1v1dv_s1-1.crl
certificatePolicies
Policy: 2.23.140.1.2.1 Policy: 2.16.840.1.114414.1.7.23.1 CPS: http://certificates.starfieldtech.com/repository/
authorityInfoAccess
CA Issuers - URI:http://certificates.starfieldtech.com/repository/sf_tls_issuing_dv-r1v1.crt OCSP - URI:http://ocsp.starfieldtech.com/
authorityKeyIdentifier
99:B4:6D:DD:8D:0C:6D:FA:2D:A0:9F:22:21:E8:73:C2:18:BC:85:D9
subjectAltName
DNS:www.cologix.com, DNS:cologix.com
subjectKeyIdentifier
F5:46:94:AB:F0:FD:32:D0:B6:BB:49:DF:89:F5:6A:B8:EA:98:EA:AB
ct_precert_scts
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 : Oct 15 17:17:35.118 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:8A:8B:5F:77:4E:F8:1C:7E:9B:7A:61: 9A:5A:F5:56:5E:48:C1:5B:A0:40:FB:4E:93:66:5E:8A: FD:EC:92:A6:3F:02:20:29:FF:BA:88:45:EA:4A:59:BC: 8D:CD:B9:B8:C6:98:AD:C5:EF:8D:F7:8F:01:2A:74:A6: 71:FB:16:C8:15:9F:87 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 : Oct 15 17:17:35.504 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:34:31:C6:D3:67:BC:70:2B:D3:14:1F:8B: 2C:F4:3A:5E:05:9C:E3:0F:23:40:E4:70:67:57:A4:E9: 05:00:AF:04:02:20:5D:8A:A6:D4:B7:AD:A0:9F:93:27: 4A:A8:D6:08:1D:FE:E2:A0:48:71:F3:09:4B:D2:CA:7E: 56:B0:5C:1A:66:AE Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 60:4C:9A:AF:7A:7F:77:5F:01:D4:06:FC:92:0D:C8:99: EB:0B:1C:7D:F8:C9:52:1B:FA:FA:17:77:3B:97:8B:C9 Timestamp : Oct 15 17:17:35.939 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:FD:EF:54:3F:59:0A:8E:AF:3E:7A:67: E9:39:D3:36:8C:A4:AB:40:78:0B:D0:BB:5B:03:CA:C3: 6A:7D:54:1B:F0:02:20:0F:32:AE:D8:75:F9:E2:A8:9A: 1F:2F:69:1A:65:F9:B5:52:51:B3:E9:F6:F0:C5:49:CE: 32:11:B1:F8:8F:63:EE
-----BEGIN CERTIFICATE-----
MIIHWjCCBUKgAwIBAgIJAOF0bybW67ymMA0GCSqGSIb3DQEBCwUAMGAxCzAJBgNV
BAYTAlVTMR8wHQYDVQQKExZTdGFyZmllbGQgVGVjaG5vbG9naWVzMTAwLgYDVQQD
EydTdGFyZmllbGQgVExTIEludGVybWVkaWF0ZSBDQSBEViAtIFIxdjEwHhcNMjYx
MDE1MTcxNzI3WhcNMjcwMTEzMTcxNzI3WjAWMRQwEgYDVQQDEwtjb2xvZ2l4LmNv
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zy6Bc/qH9rWl7baP3qtjh/Et6gmSR/yGD1NbQVETtJ6FrjV/8LzMHKxAKoZCIwdH
QfsV2H6DzMiJ6coG0OtTuXRbUXqietmkx7ecQmAtmudD/tVvaiGHa8Jlh+K+U0N7
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AwEwDgYDVR0PAQH/BAQDAgWgMD8GA1UdHwQ4MDYwNKAyoDCGLmh0dHA6Ly9jcmwu
c3RhcmZpZWxkdGVjaC5jb20vc2ZyMXYxZHZfczEtMS5jcmwwYwYDVR0gBFwwWjAI
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LmNydDAqBggrBgEFBQcwAYYeaHR0cDovL29jc3Auc3RhcmZpZWxkdGVjaC5jb20v
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AaFAkb2QAAAEAwBGMEQCIDQxxtNnvHAr0xQfiyz0Ol4FnOMPI0DkcGdXpOkFAK8E
AiBdiqbUt62gn5MnSqjWCB3+4qBIcfMJS9LKflawXBpmrgB2AGBMmq96f3dfAdQG
/JINyJnrCxx9+MlSG/r6F3c7l4vJAAABoUCRv0MAAAQDAEcwRQIhAP3vVD9ZCo6v
Pnpn6TnTNoykq0B4C9C7WwPKw2p9VBvwAiAPMq7YdfniqJofL2kaZfm1UlGz6fbw
xUnOMhGx+I9j7jANBgkqhkiG9w0BAQsFAAOCAgEAFRdvGyOAmuL67jams9RRn2Cw
DHfsDp/dwRFaDbpnMLEkBISUH0K6yOC9y32/xD0tf9OiAcODgdpLx27JHhIf6yIC
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egrQEGyGFawkTxnzcVd57ZgBKYI8aMrvBQNVxw/9RtagS49ZUx8tW9Fbx/k8ZSKH
UZfRbbSUePGbZqeAyZQtcAU4KW4/ywxRxo65Jj/xepdJ9vLl903PfkcErtHsOyTL
wSOqz0pLsnTWClauOPeO7VWOPv4U5HsX2dRDIIOfXkL7U3naD5hX4g2lpxFrJqz0
tbIGTbKd/A4KClZpbx+eUqxjMUhoVEJC28iE/KntBZium7+OGZnsk56E3zY/TRf4
Ul3E+dAn6CEOON+ek4NPCPFpFXpztMZkPLkhNdU3txZ6uIM3WpxNNAVG9C3Wbpih
FCJK4oOF5/8T47lsCOc=
-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-10-26T05:30:57+00:00

Server-presented chain · 2 additional certificates

Chain certificate 1

Subject
C=US O=Starfield Technologies CN=Starfield TLS Intermediate CA DV - R1v1
Issuer
C=US O=Starfield Technologies CN=Starfield TLS Root CA - R1
Valid from
2025-08-27T12:00:00+00:00
Expires
2040-08-23T11:59:59+00:00
Days remaining
5050
Serial (hex)
C5E225A10DF67804EC5305DCF38E5234
Signature
RSA-SHA256
Public key
RSA 4096

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

06:89:1C:34:A2:E4:68:7C:63:0B:29:85:0C:C9:F6:D4:5D:ED:39:49:1C:F8:77:C7:24:6B:6E:C6:33:58:7A:2C
Certificate extensions & PEM
keyUsage
Digital Signature, Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:TRUE, pathlen:0
subjectKeyIdentifier
99:B4:6D:DD:8D:0C:6D:FA:2D:A0:9F:22:21:E8:73:C2:18:BC:85:D9
authorityKeyIdentifier
65:79:A6:5B:CD:9B:07:16:A5:40:86:B7:49:8E:22:47:C6:0B:DE:4B
authorityInfoAccess
CA Issuers - URI:http://certificates.starfieldtech.com/repository/sf_tls_root-r1.crt
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://crl.starfieldtech.com/sf_tls_root-r1.crl 
-----BEGIN CERTIFICATE-----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MIIBMTAOBgNVHQ8BAf8EBAMCAYYwEwYDVR0lBAwwCgYIKwYBBQUHAwEwEgYDVR0T
AQH/BAgwBgEB/wIBADAdBgNVHQ4EFgQUmbRt3Y0MbfotoJ8iIehzwhi8hdkwHwYD
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CCsGAQUFBzAChkNodHRwOi8vY2VydGlmaWNhdGVzLnN0YXJmaWVsZHRlY2guY29t
L3JlcG9zaXRvcnkvc2ZfdGxzX3Jvb3QtcjEuY3J0MBMGA1UdIAQMMAowCAYGZ4EM
AQIBMEAGA1UdHwQ5MDcwNaAzoDGGL2h0dHA6Ly9jcmwuc3RhcmZpZWxkdGVjaC5j
b20vc2ZfdGxzX3Jvb3QtcjEuY3JsMA0GCSqGSIb3DQEBCwUAA4ICAQBix5GX3AW/
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a5/gEUNw0bxTZsYZVSaAO3iGxvzYlmPC1m9ja+odus6IIUpNUAxhKt3gP+tCK4og
ltuTnopStKEwaqQhtOSrvUSWEae/4g8MpBA1NyVui2IikPd0qHNy/z90K1JlAVgr
JhEOR8X9VIbdI7jQIM40jAT4qYnmBaZ58/MEifm6yyk282QLeY/TEFQKRQKXGZdm
tLHQJA6593R30PuBYsuzE0geX71eum/QCTImiAdUWlDPmfnTBZ5Im7eDWg/4tibj
MKzmt0OCUp+Cuduynlxp/HPyxUKtXZUn2f34RKOqpO75Gof08DUhhTwNY/MJ0kjl
8oXScJvIVhApiQ/S+USkxNVGKSUxw3ge5RdSNBWXHXVmbE4fnn7iknIZxaeqxQF2
3oi6BiMgFaiJ2GSJEQnwcKcZ01WQ6lGOeQ==
-----END CERTIFICATE-----

Chain certificate 2

Subject
C=US O=Starfield Technologies CN=Starfield TLS Root CA - R1
Issuer
C=US ST=Arizona L=Scottsdale O=Starfield Technologies, Inc. CN=Starfield Root Certificate Authority - G2
Valid from
2025-09-24T12:00:00+00:00
Expires
2037-12-31T23:59:59+00:00
Days remaining
4084
Serial (hex)
466702AA31941FA2C196EFE6D09BAF6C
Signature
RSA-SHA256
Public key
RSA 4096

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

26:A9:3D:60:03:90:77:65:4C:0D:DA:1F:B6:34:AF:5F:F5:C1:14:C7:AC:1F:D0:44:9B:1C:9D:21:78:B0:28:FF
Certificate extensions & PEM
keyUsage
Digital Signature, Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:TRUE
subjectKeyIdentifier
65:79:A6:5B:CD:9B:07:16:A5:40:86:B7:49:8E:22:47:C6:0B:DE:4B
authorityKeyIdentifier
7C:0C:32:1F:A7:D9:30:7F:C4:7D:68:A3:62:A8:A1:CE:AB:07:5B:27
authorityInfoAccess
CA Issuers - URI:http://certificates.starfieldtech.com/repository/sfroot-g2.crt
certificatePolicies
Policy: 2.23.140.1.2.1 Policy: 2.23.140.1.2.2 Policy: 2.23.140.1.1
crlDistributionPoints
Full Name: URI:http://crl.starfieldtech.com/sfroot-g2.crl 
-----BEGIN CERTIFICATE-----
MIIFqjCCBJKgAwIBAgIQRmcCqjGUH6LBlu/m0JuvbDANBgkqhkiG9w0BAQsFADCB
jzELMAkGA1UEBhMCVVMxEDAOBgNVBAgTB0FyaXpvbmExEzARBgNVBAcTClNjb3R0
c2RhbGUxJTAjBgNVBAoTHFN0YXJmaWVsZCBUZWNobm9sb2dpZXMsIEluYy4xMjAw
BgNVBAMTKVN0YXJmaWVsZCBSb290IENlcnRpZmljYXRlIEF1dGhvcml0eSAtIEcy
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HzAdBgNVBAoTFlN0YXJmaWVsZCBUZWNobm9sb2dpZXMxIzAhBgNVBAMTGlN0YXJm
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CgKCAgEAvNSD5nT/Q7nsKjT/WYTPv9vp1eACaDM7U4cR+DCt3Yz6QOwbKDTwZ+io
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x7uvTkA87NU5vqOzpWtpNiXvt+DSGrFAJDyah2ia9fbS2ActrWWsBsThFt3cTHNi
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II+2LaSzPjUGN28f/HfSBpec/4sfkd6Ubw1SbP9Zq8pBlnJKznU9Muh8RXuRQJoE
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aWVsZHRlY2guY29tL3Nmcm9vdC1nMi5jcmwwDQYJKoZIhvcNAQELBQADggEBALhF
42TCewfSOa+2nSV2OzCt7A+n9KJ/6Y8F5PXW++VpYZVWy6kZMrJlDus7K3oACiKE
R+Id7BldmcKxWSw6UeKOQ74DhDTJf+KTDubHDhoCHnK1d2XWJ2W+rOacLfVnvHAv
HBsLeOP6xRT4E+5zdtpnjdW/JSEeLEGETUmEkOvoJIWQptQ2AxIuEIP3FsRneiLZ
SDOyjvtLMOe3a2q8xmiOxTlqi9QmwTV/9IfoDoqsg1C5YL4eiD0xRc1m6NvecSEW
jHIMyCiFWlzO3faUOm067YthhZwzjYLghIra11NvVpsWEgpiGPBhd2UN7nGn1M0j
dZT7YeQWOBjip238/4o=
-----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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