www.zsico.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:86:8c:24:17:e8:7e:02:c4:78:24:a3:03:36:05:2f:bf:b4 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.zsico.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:86:8c:24:17:e8:7e:02:c4:78:24:a3:03:36:05:2f:bf:b4
Serial Number (int): 307120974289698642564152010658801402232756
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: b1:8d:11:85:da:56:27:87:39:9b:a3:92:84:bd:dd:e4:68:ef:c3:63
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 96:fa:22:ac:72:e6:c6:1c:8f:fa:5a:22:28:95:75:e3:fc:99:0f:ec
Fingerprint (sha256): f4:bc:a9:d4:92:73:be:08:37:79:41:eb:f8:07:18:69:63:f4:24:d1:71:a9:3f:a2:c6:9d:c1:14:01:05:07:72

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.zsico.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.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

www.zsico.com

Other certificates including the domain name zsico.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.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 307120974289698642564152010658801402232756
 . . . . . . . . [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 15:33:17 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-11 15:33:17 +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.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 841941083733321993835923304279693273051346251791394545638344134382864085733033992147064415708561509985964565618778716239248192626418032548019137625025925224769851178025321897405004338621198603593180809857236116712408701046317113962445223479910208126771468098260873719859196481118428084851368247456730321706084557318042000690609904973045274894813702071164375171852595696294006114912045149774940630983678944141837981125508025729503203240022578279599565252875965859245141262531923069273732906235545259358813924907375577999154237854173803723004986417304742326577742585647075833059003959793948010049861241760718640644377778121729521265832670079859731515260555425973337026575628534305983492983870163089544780906445929563153778896750715412766523567544035726568625616700909815758064503736000217011789498439215819967810159682177769540774413798102726800838647392709169712636348041550037585159284523606825894299077162592262918681816098236760964984577580940407225844092848164317560004112261530387514951788356286578895504132847208125008468375151105752229350165917941100322507532269919849843073078695085997340389673426181598246114838331457813825345950150415852112690557204377547068127722631953300372423087728321264773240994994322659940070088244187
 . . . . . . . . . . . . . . . . . . . . [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)
							b18d1185da562787399ba39284bddde468efc363
 . . . . . . . . . . . . . . . . [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 (17 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.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 (243 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (240 bytes)
							00ee0075006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016efaf51cce00000403004630440220596ffb6d312ecc7d2e0ef6d2d6495832a8be5118509429a012540b92fb4f8bc302206f8330ce2e6204c3786c9f20f9724fe8cb1d68e8e85f8fcc7bd05d82665d1da500750007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016efaf51cca000004030046304402205a63da8e35b375f37b6e563ed957d58d1ab8807ce78c8ad062d0a0bbbaf37fcd022037d57b832c05d666eae7c687276f0e0bc0a77334db0bc095fdc70b059795ace5
 . . . . [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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