www.zyse.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:17:b1:45:04:93:ed:1d:b3:51:3b:85:c6:ab:15:bf:de:8c 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.zyse.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:17:b1:45:04:93:ed:1d:b3:51:3b:85:c6:ab:15:bf:de:8c
Serial Number (int): 269398983951049055769321699616314011672204
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: df:35:37:92:24:36:e1:c8:8f:67:de:00:36:5a:24:5b:8e:0b:f0:c6
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): c1:d6:72:71:14:ad:93:7b:d0:51:35:2b:34:0a:4d:6d:0d:c9:64:6d
Fingerprint (sha256): 3e:8f:c8:89:44:b6:47:3d:5d:1f:75:d7:f0:46:38:f1:f3:54:10:9f:77:e6:47:3b:8a:b6:ec:18:67:da:9f:af

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.zyse.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.zyse.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.zyse.com

Other certificates including the domain name zyse.com

(limited to 100 certificates)
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zyse.com
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troy.consulting
carlentini.org
www.zyse.com
www.zyse.com
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iowaequipmentsales.com
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www.zyse.com

Certificate

The complete raw certificate details for www.zyse.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 269398983951049055769321699616314011672204
 . . . . . . . . [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 2019-10-12 08:31:39 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-10 08:31:39 +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.zyse.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 803404752365347100317431544539600379967716291627981379776729430975265609288285203593490882198554581433493481655517632547075720701537542916839939134843830795593981962575946759247844804210817350464747400696812835621636522757247369463405266752225961226874882761625616945546883175192762515337555724553179443304626780857155162304453356535214664152441930971920200891679226847157381581508505910606454911564803079267329837444029817475476270552985044833547480589530190872557029889136167310232784577283053719785956450423942047608205408640310293173401609310753413957706841473188495872165046068452114888500818496751877229498405539278695633386404623563254871622677699262423706639155252525827887791500093672840536953692222729122340807281693944702196020573526097674208842771626278239146970641141911133286061718578224028967032618696240062125852635297437542707132003501924535467231819824702626478617588076589941167536329766357979883362473371443819251499789556682762822329038077117761024793033049248993471869174797905739285670307013200803821621253040330151344808825075676166242674813595577475643935634935586948117817706920451805304614084779059747867733602172020116638108217774278453044613055423175534072872896204299775593653340477549598603266991978377
 . . . . . . . . . . . . . . . . . . . . [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)
							df3537922436e1c88f67de00365a245b8e0bf0c6
 . . . . . . . . . . . . . . . . [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 (16 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.zyse.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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007700b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016dbf4f29560000040300483046022100bcc75085a5826ba0ad49820513c127df223ee47260e1af8fa39f6e7f0c2812b302210091aecc97d00cd82e441c873ff68247208dbef810342075c0eb36e27f8c0b9d1b0075005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016dbf4f2b20000004030046304402205655fc040338da4acb2dd68e5cb5cc154e005adcf50cbb7270b33f60c3564ee202203ce85ba21fa0511a44edf4a321f4407e6c31737905f34dc7e650a799f083e977
 . . . . [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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