tekmanagement.com

Issued by R3

About this certificate

This digital certificate with serial number 03:1c:eb:9b:8b:e2:e3:b1:c7:b7:3a:17:38:02:dd:ec:25:07 was issued on by Let's Encrypt.

With 4 subject alternative names this certificate can be used to secure multiple fqdn's. This certificate has already expired and will cause a warning or error message in the browser it's still listed on this site to allow you to look back on previously issued certificates. If we have found any compliance issues with this certificate they will be shown below. I hope this certificate review is providing you the detailed information in a simple form you where looking for.


We have idenified some issues with this certificate:
  • DV certificate contains a subject common name, this is not recommended. If certificate policy 2.23.140.1.2.1 (CA/B BR domain validated) is included, only country and/or common name is allowed in SubjectDN. (BRs: 7.1.2.7.2)
  • Subscriber certificates use of Subject Key Identifier is NOT RECOMMENDED (BRs v2: 7.1.2.7.6)
  • Subscriber Certificate: commonName is NOT RECOMMENDED. (BRs: 7.1.2.7.1)

Certificate Subject

CN=tekmanagement.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:1c:eb:9b:8b:e2:e3:b1:c7:b7:3a:17:38:02:dd:ec:25:07
Serial Number (int): 271177940291320512701297320879069590201607
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 5d:99:04:11:3e:11:57:89:f1:3c:9e:66:5c:36:5e:18:68:91:a9:7a
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): c7:c6:0b:25:56:8d:9b:21:46:a8:f2:92:c5:29:3a:69:17:27:82:7f
Fingerprint (sha256): ea:05:43:cd:93:bd:4a:13:e3:ad:c9:c5:7a:02:38:7e:2f:ea:c3:7a:16:06:a0:8a:ba:b4:9a:57:3b:cc:e1:ac

Issuing Certificate URL: http://r3.i.lencr.org/

Revocation information

OCSP Server: http://r3.o.lencr.org

Check the revocation status for certificate tekmanagement.com

4

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for tekmanagement.com

Public Key Algorithm

RSA

Key Size

2048

Signature Algorithm

SHA256 with RSA

Key Usage

Digital Signature
Key Encipherment

Extended Key Usages

Server Authentication
Client Authentication

Extensions

9 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

admin.tekmanagement.com
tekmanagement.com
webmail.tekmanagement.com
www.tekmanagement.com

Other certificates including the domain name tekmanagement.com

(limited to 100 certificates)
tekmanagement.com
docs.tekmanagement.com
tekmanagement.com
tekmanagement.com
tekmanagement.com
meet.tekmanagement.com
mail.tekmanagement.com
tekmanagement.com
connect.tekmanagement.com
tekmanagement.com
tekmanagement.com
tekmanagement.com
tekmanagement.com
tekmanagement.com
mail.tekmanagement.com
tekmanagement.com
support.tekmanagement.com
meet.tekmanagement.com
sso.tekmanagement.com
tekmanagement.com
docs.tekmanagement.com
tekmanagement.com
tekmanagement.com
sc.tekmanagement.com
tekmanagement.com
meet.tekmanagement.com
tekmanagement.com
tekmanagement.com
connect.tekmanagement.com
tekmanagement.com
tekmanagement.com
book.pragmaticleaders.io
tekmanagement.com
bookings.paoma.mu
tekmanagement.com
book.pragmaticleaders.io
meet.tekmanagement.com
tekmanagement.com
tekmanagement.com
connect.tekmanagement.com
tekmanagement.com
sso.tekmanagement.com
tekmanagement.com
tekmanagement.com
tekmanagement.com
tekmanagement.com
meet.tekmanagement.com
meeting.secureelance.com
tekmanagement.com
tekmanagement.com

Certificate

The complete raw certificate details for tekmanagement.com in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIFOjCCBCKgAwIBAgISAxzrm4vi47HHtzoXOALd7CUHMA0GCSqGSIb3DQEBCwUA
MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD
EwJSMzAeFw0yNDA0MDMyMDQ5MjBaFw0yNDA3MDIyMDQ5MTlaMBwxGjAYBgNVBAMT
EXRla21hbmFnZW1lbnQuY29tMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKC
AQEAud4Y+DQWTHXGFPneHoZ68CrIQw5mhyKMKMBJVOLYLbqLOIyF8vGA+P7z+er4
hIQvK/+lel7rhd/u13IvszvkX/EnMrrajaol5ai0vJvQxZYqHBk4nWQbT8hW3Xj9
Hhix4jBsSkzVTdgh16oXjMPG3bH3WGzq078azE6LdPCZbmmbiScAW5aJHsEkbSZj
btsaojqWpCLFMS5zQc4K5TezcRIKqFBDeFRGKzZCSwXx/JieWLYvEpcuTMWUVWnw
3jOkuhsDotnQ5Q8/K7gkxM366fn0nHjg867gKVLDL0EpVGAvXDP4Oi6fhF3SQWWt
78Qx+xmDt1zNONPW4gBEm4VsXQIDAQABo4ICXjCCAlowDgYDVR0PAQH/BAQDAgWg
MB0GA1UdJQQWMBQGCCsGAQUFBwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0G
A1UdDgQWBBRdmQQRPhFXifE8nmZcNl4YaJGpejAfBgNVHSMEGDAWgBQULrMXt1hW
y65QCUDmH6+dixTCxjBVBggrBgEFBQcBAQRJMEcwIQYIKwYBBQUHMAGGFWh0dHA6
Ly9yMy5vLmxlbmNyLm9yZzAiBggrBgEFBQcwAoYWaHR0cDovL3IzLmkubGVuY3Iu
b3JnLzBnBgNVHREEYDBeghdhZG1pbi50ZWttYW5hZ2VtZW50LmNvbYIRdGVrbWFu
YWdlbWVudC5jb22CGXdlYm1haWwudGVrbWFuYWdlbWVudC5jb22CFXd3dy50ZWtt
YW5hZ2VtZW50LmNvbTATBgNVHSAEDDAKMAgGBmeBDAECATCCAQQGCisGAQQB1nkC
BAIEgfUEgfIA8AB3AEiw42vapkc0D+VqAvqdMOscUgHLVt0sgdm7v6s52IRzAAAB
jqXwHH0AAAQDAEgwRgIhAPQx2b/58sb0M3XhfjiI98VCoQ6MHa4ny5m1rFlDuUNa
AiEA4E+t72H4IQY9WndCoZoVk/y45AzA6JKlW/ENxxoRJg4AdQAZmBBxCfDWUi4w
gNKeP2S7g24ozPkPUo7u385KPxa0ygAAAY6l8ByRAAAEAwBGMEQCIAgL8tZyOFx7
XBLPeILU0uMEAdeIJR9RvILQetQ/qm2XAiA+eY9yasCr7q3Czt0+68uqW+R+UsiI
WwNWTVWV7BlEFTANBgkqhkiG9w0BAQsFAAOCAQEAJAPZRJFySZjrQQg/jw/9NYsY
D74/1VlOjaoGK777XjS1LWIlfeI1mxWIwklnhDsHVZ2Leqqt5QIUDnAKNVWazZ9q
bkIIdnTIdanQ/K0BApRKdBQitVM7m+LZZHIpEvPkGUpJWnWsLdKYg3hNgiLWfBZL
blOovHZyDH9LB71tg4xbW7hAlZfZmJjet03NRRocaFIEoYtCEDEp+8pGLz+lQOTT
Sg/6EHylbkCYqkAAR5/RmnoF5hbgf7fewT6JLbJhrs7b3Kgtf9VRupK9U7ro5GV4
9gzcETr1FVHwX0RwfZBHoIDyFUXxy1Z0NfiTXLN1/SZ0xVSFfmzG106U/u5APw==
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAud4Y+DQWTHXGFPneHoZ6
8CrIQw5mhyKMKMBJVOLYLbqLOIyF8vGA+P7z+er4hIQvK/+lel7rhd/u13Ivszvk
X/EnMrrajaol5ai0vJvQxZYqHBk4nWQbT8hW3Xj9Hhix4jBsSkzVTdgh16oXjMPG
3bH3WGzq078azE6LdPCZbmmbiScAW5aJHsEkbSZjbtsaojqWpCLFMS5zQc4K5Tez
cRIKqFBDeFRGKzZCSwXx/JieWLYvEpcuTMWUVWnw3jOkuhsDotnQ5Q8/K7gkxM36
6fn0nHjg867gKVLDL0EpVGAvXDP4Oi6fhF3SQWWt78Qx+xmDt1zNONPW4gBEm4Vs
XQIDAQAB
-----END PUBLIC KEY-----

ASN.1 decoded

 [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . [c:0|t:2|false] INTEGER 2
 . . . . . . . . [c:0|t:2|false] INTEGER 271177940291320512701297320879069590201607
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11 (sha256WithRSAEncryption)
 . . . . . . . . . . . . [c:0|t:5|false] NULL 
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.6 (countryName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'US'
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.10 (organizationName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Let's Encrypt'
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.3 (commonName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'R3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-04-03 20:49:20 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-07-02 20:49:19 +0000 UTC
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.3 (commonName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'tekmanagement.com'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.1 (rsaEncryption)
 . . . . . . . . . . . . . . . . [c:0|t:5|false] NULL 
 . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (2160 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 23463606796236113361166816120261117217728742259491473293973216969128976812101904581391235034951196644794301492980040244566659488952193036740370890738626651951950305456889740404124337087667341789054044436719603365760377091843133731704273138312962982477773595734176326856444773471421324459716814348123075000353427121903813702147450188364313469602517630920468343554600999187373267279592259843095015239733616153813740958804022928113498104482448978873240960839665837111431889107877471415662050851924489153979122380334247995573986314955007152798027441673831919780386212207638009249676588491996019781814550766970214505868381
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 65537

 . . . . . . . . [c:2|t:3|true] ORAddress 
 . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.15 (keyUsage)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (4 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (3 bits)
							05a0
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.37 (extKeyUsage)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.1 (serverAuth)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.2 (clientAuth)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.19 (basicConstraints)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (2 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.14 (subjectKeyIdentifier)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (20 bytes)
							5d9904113e115789f13c9e665c365e186891a97a
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.35 (authorityKeyIdentifier)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName 142eb317b75856cbae500940e61faf9d8b14c2c6
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.1.1 (authorityInfoAccess)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (73 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.1 (ocsp)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r3.o.lencr.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2 (caIssuers)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r3.i.lencr.org/'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.17 (subjectAltName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (96 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'admin.tekmanagement.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'tekmanagement.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'webmail.tekmanagement.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.tekmanagement.com'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.32 (certificatePolicies)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (12 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.23.140.1.2.1 (Domain Validation Certificates Policy)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f000770048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018ea5f01c7d0000040300483046022100f431d9bff9f2c6f43375e17e3888f7c542a10e8c1dae27cb99b5ac5943b9435a022100e04fadef61f821063d5a7742a19a1593fcb8e40cc0e892a55bf10dc71a11260e0075001998107109f0d6522e3080d29e3f64bb836e28ccf90f528eeedfce4a3f16b4ca0000018ea5f01c9100000403004630440220080bf2d672385c7b5c12cf7882d4d2e30401d788251f51bc82d07ad43faa6d9702203e798f726ac0abeeadc2cedd3eebcbaa5be47e52c8885b03564d5595ec194415
 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11 (sha256WithRSAEncryption)
 . . . . . . . . [c:0|t:5|false] NULL 
 . . . . [c:0|t:3|false] BIT STRING (2048 bits)
		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