*.zenztech.com

Issued by R3

About this certificate

This digital certificate with serial number 03:c6:bc:b5:3e:66:c8:8e:0d:d7:40:7f:fb:9f:01:37:83:f8 was issued on by Let's Encrypt.

With 2 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): 03:c6:bc:b5:3e:66:c8:8e:0d:d7:40:7f:fb:9f:01:37:83:f8
Serial Number (int): 328963602380218251431177195499768962843640
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 6c:64:9f:7e:80:f2:41:fe:d5:43:9b:84:3e:d5:e9:8c:8a:e5:be:b1
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 7d:cd:05:c3:77:97:73:7b:33:e7:9b:14:6f:6b:93:1e:5e:f6:f3:37
Fingerprint (sha256): ac:bd:17:ec:da:71:e4:8d:9e:45:73:12:48:89:10:5b:a6:34:ed:4c:8b:f7:99:1f:f5:27:e5:c1:db:c2:74:d9

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

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for *.zenztech.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

*.zenztech.com
zenztech.com

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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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAssjt2Zja7N6xJ8+4JsFk
cmmWrGu5cqDMOXna7SQyqE/IbQRn0I/2d+fDn6r3WAkMRk+TV3DH8OS85YjNfX/L
TxKUe4h2rgbk2jhBI/lYCKbXUs7I8PJcBbQ2JM8teBPzjMXMWKx4GygGCb+B5382
7PH/a4CoHoAvupIwN7jBolP94y/d+i14EdQ9+lgsDjG748fOUqT4dX3jPZB064YD
B/A6fgnKnSEvR7X23wMNgHmU6HfgKFkTz1QagAsmjkk9nKs778X6wP1Mvl+KbYtw
KFaR1e1QtHo42r6CqNHKLrCk2/DmprEhkxg8wxmtKZ0Lk/AX57BszCQv8An/kVIf
EwIDAQAB
-----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 328963602380218251431177195499768962843640
 . . . . . . . . [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 2023-01-26 11:00:30 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-04-26 11:00:29 +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:12|false] UTF8String '*.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 (2160 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 22569500116747492192111260786196144720370104511448554351086948615850829829314673240237115441866858363286937280906779815399846327861255423185467576213007160966715489596242818684129094109559773586830659328110887242449259626377155226063978217872876010359783935000842358807003718096701070866103170158911576049261603233611668866231390780445828046467792033821970085084070238568994909932176189383261033918227087288510669668611780565810517017824638141656994075606513129287294105226981710489194164430005216878710814024706693474187943166132783500147402621793401159793550242786090722226815598136769396645724758557156268255092499
 . . . . . . . . . . . . . . . . . . . . [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)
							6c649f7e80f241fed5439b843ed5e98c8ae5beb1
 . . . . . . . . . . . . . . . . [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 (32 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.zenztech.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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 (69 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 1.3.6.1.4.1.44947.1.1.1
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.1 (cps)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:22|false] IA5String 'http://cps.letsencrypt.org'
 . . . . . . . . . . . . . . . . [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 (243 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (240 bytes)
							00ee007500b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb49900000185edf369ef00000403004630440220535e46adc8c6709618618af7b43b5e81e774d6dfce931574e1340bf47d4aaef90220293c35246715fa306a68bdbfdd3db3c84685159171e346741faf154297fc69b80075007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb5200000185edf36c010000040300463044022020149c62991696726e5a0fb165a7ce3e67edf9a83966aa23a90f5d4b7ddc71c302207122cb0a21394df21aa8231ed11de2a3a8700add8c1907d2a9f018365b785837
 . . . . [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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