tekmanagement.com

Issued by R3

About this certificate

This digital certificate with serial number 03:40:39:d4:e3:e7:b8:8c:8e:74:b8:a1:65:12:4e:e8:a3:46 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): 03:40:39:d4:e3:e7:b8:8c:8e:74:b8:a1:65:12:4e:e8:a3:46
Serial Number (int): 283191800663380351923615727517696904438598
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 2e:96:b6:82:a3:05:b7:60:10:ec:ae:ff:66:5d:be:d3:8f:c2:99:0c
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): df:b7:e1:5a:41:07:58:08:ff:ed:9a:e2:d0:10:5b:5d:42:fb:05:27
Fingerprint (sha256): 9e:74:2e:44:b2:3a:21:54:13:02:c4:b8:7d:e8:dd:45:ed:e3:55:b8:9f:e4:3c:9e:34:1b:0f:00:37:e5:1e:a3

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-----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==
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvegwShZbnZKK022cnb3a
g7hHMezO/eMqTwmG7nRp1wicNZMtZAAxujPwN+CZlhLD1aSobVYGLeTznh6Ne6X3
S0fz4wXRZ41SNYvF6O3jjf3ZxjOWKLRw0yRpZEnojKthLi8Qef+5TDiaShh0xYn4
4fj1sWcNgvbFQNgzJnn6ioqobkOW7m8EYfjdKJjosBIz0NrxWDyMLf8s5Od20vxB
YjRBlOAg/0lvUPhuEJV/cSk5AR942GX0KaOhr41PcOXjRl8zlhI70Olf8+8VXwl6
q+uNqUS7jMnhIv5u9nhPScMgwVpSmL1SDWe1kSFewRa5adBmXAn0fYhbHOGJW66a
8QIDAQAB
-----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 283191800663380351923615727517696904438598
 . . . . . . . . [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 2023-11-18 00:34:43 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-02-16 00:34:42 +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 23973536119618546180618289253058838074998282544664828990899759183564190258712440916892329738749548452356726068046351127215276571355583783931897898361849027744597271818429416361628170390306881780409494215606579594686131914596960664768560631386085665374709553485566647529711323194060509709543351451204467540417497413707175746493824212048118491374877031268149995427054650229061901934787785301335385454699599361791467160886965562982130649631298947555043202075855701636337035241223217811533218445537813155280624973117275085002086051518463835082692827098135882235967238041532156553482892005255389397801970147311865983572721
 . . . . . . . . . . . . . . . . . . . . [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)
							2e96b682a305b76010ecaeff665dbed38fc2990c
 . . . . . . . . . . . . . . . . [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)
							00f000750048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018be010dd780000040300463044022019f525f3d71e97606bcb4b1276061f38bc36625bb54863b17f03c72a4eca10560220105750648b2667af38968201558f354e25b5ee524bf58694ba43de50bbb00b59007700eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018be010dd600000040300483046022100fd169a653f44023a593bd51d6a705da9dc5aeceeda2afdeae93539afd119d408022100a8727e644a4f45cf9731eb093663d8c5ba6bdda71cc08be8b520b902d68c64df
 . . . . [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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