zsico.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:57:bf:25:0a:1c:39:f7:68:c0:e4:ec:25:59:df:9a:18:2e 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=zsico.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:57:bf:25:0a:1c:39:f7:68:c0:e4:ec:25:59:df:9a:18:2e
Serial Number (int): 378307784516401741959993823489185839454254
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 04:68:4f:96:be:eb:44:8c:f8:6f:63:e2:5d:b4:b8:80:4b:8e:ca:e2
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 2c:29:5e:17:79:69:e4:0c:be:c0:fe:ae:a5:57:59:07:71:34:23:df
Fingerprint (sha256): 09:e4:39:93:12:5a:3b:f7:32:cc:bc:61:07:c2:4f:d5:9e:a2:8f:15:85:48:ab:f4:16:27:b2:9e:55:21:8b:79

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 zsico.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for zsico.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

zsico.com

Other certificates including the domain name zsico.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for zsico.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 378307784516401741959993823489185839454254
 . . . . . . . . [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 2019-12-12 15:34:21 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-11 15:34:21 +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 'zsico.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 771546784548653451722579447246594012095744316422603637289554954209316524782708580543079059946315039790339389337383343249347687389896993149362862861761516588897805973050846775153676300867836466158863993564924847217875443295312883468435581427851574827216199086402916363140827575954627161101964843205215267402912764322584315131809821376812539855113668407582631952171642528474164704154755203675024779849112235992375454041314021152709261901295010632036978171995844904504009910209418939161634549648107558248278142286307762625602004721809317663163834556936356045613846855991494445113334201486599773370576682314661664926455426457713323415626430495851921248553290800707180840141002585500761596743601173391860841721729577668972767246897389991014293796315080310248640332136385752475746531187813976811321120991022070637296522849147921255172756226387697048397212141633178682305414357758320222240021239042894312757483503926900026960042813692011102697917735384963520610135797195514008321816848290706095796989575229177414734835504461281219068531957488288419006099233522604121241549303535005557000014853913600078937476517507054459819294206136674277527176648168582377099053240550213046908454528203371759090213674106394476846082294807096451564983155327
 . . . . . . . . . . . . . . . . . . . . [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)
							04684f96beeb448cf86f63e25db4b8804b8ecae2
 . . . . . . . . . . . . . . . . [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 (13 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'zsico.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)
							00f1007700b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016efaf616da0000040300483046022100ebfc8a1852f54646eaa4924cefb2554a6a198125793ca4b629b6c70ae3ec59c6022100a1c03159f7d57412e806c763fbc3070d4266e24b82380c59fcd6f5ddc71f646d0076006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016efaf6170b000004030047304502203e1f5ee44f6f46e7d654cc9419f9fd00a9d9eaa73c02113fb52239fa64b38cb90221009b22438899b142c5cfc69ac43d18d64b2f676e431ccdc2502b84b4e5f83bd014
 . . . . [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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