www.zenztech.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:d5:ce:a2:4a:38:52:65:75:c7:3d:19:81:5d:16:f9:fa:ea was issued on by Let's Encrypt.

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=www.zenztech.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:d5:ce:a2:4a:38:52:65:75:c7:3d:19:81:5d:16:f9:fa:ea
Serial Number (int): 334091665574023996168992224994669073398506
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 21:8a:c6:74:06:44:58:c2:e6:63:8a:30:d2:a2:fb:d9:5c:28:61:ce
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 14:42:ba:d8:45:26:de:8c:05:93:21:70:6f:86:9d:ef:a5:9c:34:fa
Fingerprint (sha256): ce:5f:14:a0:e0:60:a2:37:b7:d3:97:3d:3a:07:9f:1e:d3:f9:27:52:74:2a:77:22:24:f5:ab:50:39:c9:73:8a

Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x3.letsencrypt.org

Check the revocation status for certificate www.zenztech.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.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

www.zenztech.com

Other certificates including the domain name zenztech.com

(limited to 100 certificates)
remoteapp.zenztech.com
www.thevnomad.com
tmapuam.com
get.billy.inout.money
zenztech.com
app.superdense.com
petersappliance.com
www.cv.nu
transavia.zenztech.com
www.zenztech.com
www.zenztech.com
www.doctor-ai.chat
angelloor.dev
skillsfinderapp.com
appprod.incendi.io
zodiac.zenztech.com
www.jasonwang.dev
ofira.host
ucademio.com
zenztech.com
auth.supertalent.io
graba.beer
www.nearestschool.com
adamsstate.co
www.zenztech.com
me.memeal.ai
zenztech.com
zenztech.com
www.artwins.app
zenztech.com
tmapuam.com
web.tiss.app
phillipichurchofchrist.com
www.canfund.io
www.zenztech.com
uren.zenztech.com
rsvp.bransonlim.com
raywess.pjaguar.com
www.longpham.ca
*.zenztech.com
www.egamebook.com
zenztech.com
zenztech.com
www.zenztech.com
zenztech.com
zodiac.zenztech.com
www.zenztech.com
arkoinad.com
*.zenztech.com
zenztech.com
www.inkfinitec.com
*.zenztech.com
*.zenztech.com
vps.zenztech.com
www.samatva.club
transavia.zenztech.com
zenztech.com
demo.kesselring.nl
mijn.v1.klikkie.be
www.longpham.ca
zenztech.com
claudinasballet.com
cryptoport.biz
remoteapp.zenztech.com
www.zenztech.com
www.zenztech.com
batman.rocola.es
contabilizoaqui.com.br
www.referro.co
zenztech.com
portal.squad.ai
viz.photos.r42.ca
ucademio.com
zenztech.com
*.zenztech.com
zenztech.com
union-bauzentrum-roehlinger.de

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAsqduLCFO6LkYVZMhIOgO
GF3+wljYtLkrIRnk/mpuwx3nOovWlvtn4qN2CYABhl9wsW7kWkv2DPeRFXG2neyj
ndX0vru3bO21C4dcUaA7YUFUKRG4ZHMrcLKW9Cs+Gji3hgpJ94jCd4NJdMbR2rZD
4lRRfmrm3jZw9lgYU4eEdA5lD839fnpPA/FwYgGMQ0pAk90RK37yJ6eEgi6Ql4nI
qhBj9djrnhBHsddO0Sf7djntbKoIRPmo0Dx9qoGlpDcEf3T06YTyf82nZqwlB4lA
kr4iPtM5G2H3rM/hgTMHaRc+smfXzchHuTvqjD6IkEUQ8XbPWqcOe2yd6RLfrqOI
twIDAQAB
-----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 334091665574023996168992224994669073398506
 . . . . . . . . [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 'Let's Encrypt Authority X3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-01-25 08:51:13 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-04-25 08:51:13 +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 'www.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 22552981272069147262546307212499891281434791544340372673433427434255151177892712892177349365087517578091659599647629518717603172590698350645931117894060241255073302697511470184114424968935224547780435118952181171134230342583854536458805945680381577575890401618400391001409757788810267975708886377171648568665175322228351159183583268087446771926262289954625242656007991024900928210127223815797960784617299164650828501362030824712061331498413414042330349980720507098033547913679723015751632856455250807078255020203587532719057724608571659671550493092050298562081695971589435321146853540818235032518758046388429881837751
 . . . . . . . . . . . . . . . . . . . . [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)
							218ac674064458c2e6638a30d2a2fbd95c2861ce
 . . . . . . . . . . . . . . . . [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 a84a6a63047dddbae6d139b7a64565eff3a8eca1
 . . . . . . . . . . . . . . . . [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 (99 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://ocsp.int-x3.letsencrypt.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://cert.int-x3.letsencrypt.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 (20 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f1007600747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc5600000168846ba5af0000040300473045022033eba77e93dedc79b2369c1f9a13ad284bc02fae767ac2dd5c77561e45ac6355022100dcc0f440cbca7a863735ae654a35d91a6f56954ab0b873ec8efc323c8ae65bc600770063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d00000168846ba5f50000040300483046022100a3816c347e9bfc6635e83e26fc839dc8f706c3da1709e8960ac56a62992f8ff4022100cd0ad0b6dde90e9ebe49ede78fc5064b2ef0d367ab1e8a5866388314df825335
 . . . . [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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