tekmanagement.com

Issued by R3

About this certificate

This digital certificate with serial number 04:3a:f3:1c:5e:eb:49:75:40:af:57:cd:6e:3b:75:0f:c1:02 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): 04:3a:f3:1c:5e:eb:49:75:40:af:57:cd:6e:3b:75:0f:c1:02
Serial Number (int): 368508670720931046089273503448682982260994
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: bf:94:a8:8c:3f:6d:50:1b:5f:6a:7f:22:0d:97:b8:03:a2:a8:fe:f5
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): b3:13:1d:2c:ac:92:25:62:fa:f9:19:23:a2:64:52:f8:de:cf:6b:04
Fingerprint (sha256): fc:1e:26:11:d3:99:81:b7:ca:5f:5b:5d:6b:3d:db:9f:d2:32:1e:5c:ec:d4:e7:28:47:19:36:82:08:82:4e:87

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA7ZkZp11lPk41JtmmbPwG
6gd+BfhzmafiJgG81nhFYc2fHHVod5whds67wIUvIKJN8uwvc0Y6Zjzx9hYf9ipO
BQDRvYJpNwWSXkU4Y6JI7sa0OXSSdudNf+M79yr693Ng8yXzG7nD0WKPHH5ksAwl
cW4L1KfkscYOs6MSgR8Xtb6OmodNcDepcsUhbQNLDelT5LNnmhPHEzy4IvNg0q19
8X2SEqGkGxQqLk//21yhE5I6YqdcCT9rwAHOeSrQJp+zTF3DN9M/WeWmKcH1wLHP
JVP8MKk/gz1UMRKk42KQqbZyB7Ohl6qc2gPBg4sGVEwcxVsisSJMbIY+EjRwfiqe
7QIDAQAB
-----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 368508670720931046089273503448682982260994
 . . . . . . . . [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 2024-01-25 22:39:20 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-04-24 22:39:19 +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 29993974804318052389324812144546114430974190733154290747118292160404331276349402769401346720997533396405485362372282819363895040742474046321820112008243748342405438081580472401934004817778796055751430572315506638344379762227386821015736516267362466758586891152237268805210530449844725881505692472016994184847677480506562166392711335917320112314012595481858478844959540621433763965029550246446027622192805730873073861318529443420117340795762027625735327155566993773937303781776621606293702552762849120833882949212406574902629178741286963313537147471217165659482595833756663371815541611339322411409036517610003309960941
 . . . . . . . . . . . . . . . . . . . . [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)
							bf94a88c3f6d501b5f6a7f220d97b803a2a8fef5
 . . . . . . . . . . . . . . . . [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)
							00f000760048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018d42fe0530000004030047304502203438bf8828e7770fc96d48c43938a8385c51b386a06255ec212d363ae6418262022100ca56812b27c46cfe5ea739ca8581e457f4b651cb1d6b54e037de0f885acec2b400760076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018d42fe06320000040300473045022100abd59e0d9fd7d07a598aeb1d67a28d5ecf616f9c49bf21a03eac5926854282ee02203318d8642ff7950078167985b8c17886bc1952617be215272c87e3cfff5253e7
 . . . . [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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