zenztech.com

Issued by R3

About this certificate

This digital certificate with serial number 04:41:cc:15:6e:d7:ed:12:5f:81:b2:2a:ad:bf:06:9f:40:09 was issued on by Let's Encrypt.

With 3 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:
  • Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)

Certificate Subject

CN=zenztech.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:41:cc:15:6e:d7:ed:12:5f:81:b2:2a:ad:bf:06:9f:40:09
Serial Number (int): 370838771374448620282327798458186756734985
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 46:07:e6:41:94:ef:81:e8:90:81:63:f4:5e:66:6c:6d:ff:5a:ba:7c
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 86:08:0c:cd:0c:9f:f0:dc:f1:60:a4:96:6f:ee:71:e0:53:97:87:f7
Fingerprint (sha256): c5:6d:d2:a4:8d:9d:8e:70:e4:25:dc:3b:75:a8:c5:e7:ae:8f:3d:8a:21:9e:ab:17:66:72:c0:cc:81:28:4d:fc

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

Revocation information

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

Check the revocation status for certificate zenztech.com

3

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for zenztech.com

Public Key Algorithm

RSA

Key Size

4096

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

www.zenztech.com
zenzte.site.transip.me
zenztech.com

Other certificates including the domain name zenztech.com

(limited to 100 certificates)

Certificate

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

Certificate (PEM)

-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----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-----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 370838771374448620282327798458186756734985
 . . . . . . . . [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 2023-08-09 11:25:46 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-11-07 11:25:45 +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 'zenztech.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 (4208 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 908086883838104331241112117588944650035920154098117803101430317119163933638161461805837535550336153031207948558991791429619223031864966272697192420489237897076722250668450182069556447385755016781952357201019951802063600061612657670922021871703636602113225639088310414175078043402637657613520710565125529006359534924611250000633355670453079775970001256088499205591505465650735455521995618694247725002519223644516826774219566910946099393174813458244039449241415472656368100606378557202031045273557483040838255194841883585586424493525711277599893114233971471928795121017876327010859884827379356829757401470498883839964343369142750081797224713847080135461466619429807231760803703911898736325236728416197838712477464539973673526364791874264291202143343484522285222753906484725909045431602986280296959981194199418990596703107419511007106705467710213936291745895198772140670634530131075986739692405164454278921547537025874966100878439775330762261667968390987578097055189075474153872374108425387340645442519820404518966936723379712281936318464222750432270335435590757317966292686289900375420073065264732871199707091518402345946749101104577684503827551112581947948186012215142676651024837298912520630329774985654639150440313167268465984144443
 . . . . . . . . . . . . . . . . . . . . [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)
							4607e64194ef81e8908163f45e666c6dff5aba7c
 . . . . . . . . . . . . . . . . [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 (58 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.zenztech.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'zenzte.site.transip.me'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'zenztech.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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef007600b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb49900000189da42a0c000000403004730450220453f628a5439abb457bdb83adeb9a4e0b0b8f160b2a18db3cbfa212b7944bd81022100db25581b7ad06ed43f61b735415848da6551325f653728cd9afc52caa493c2ed0075007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb5200000189da42a0d1000004030046304402203ddc8f2818d88bbd7908610893dee87e75a6043fe712c18595711333fd98b83202202558fde9a3ec3613622e305d079251b3d56f38eb481aef1294af9f9c80f3966a
 . . . . [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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