go.z-band.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:f2:77:d1:31:59:ad:2c:b4:4b:0a:b5:8e:f3:06:71:33:72 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=go.z-band.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:f2:77:d1:31:59:ad:2c:b4:4b:0a:b5:8e:f3:06:71:33:72
Serial Number (int): 343844454912632658859405046381955815388018
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: b7:8c:e3:a7:ba:44:e2:6e:25:21:ea:9a:cd:5a:d9:2d:37:5b:17:a2
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): d5:b3:a1:3b:7b:d6:34:93:c7:10:66:02:ff:2b:ec:02:55:34:07:6d
Fingerprint (sha256): 28:bf:56:c9:27:eb:90:0f:5c:b6:ef:09:26:2b:5b:49:a7:18:d7:c4:26:31:31:bc:af:2c:19:d3:4d:69:36:cf

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 go.z-band.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for go.z-band.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

go.z-band.com

Other certificates including the domain name z-band.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for go.z-band.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 343844454912632658859405046381955815388018
 . . . . . . . . [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 2019-09-22 00:24:14 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-12-21 00:24:14 +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 'go.z-band.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 660099794211363790212821988487201028672634279407605338980123447580834685339802398147440475545284196384422510695005736149717658238124466302569769184193624581408503250193135655513932526094446992727845866655761093331807245562559308558491965810418874803234886235835148920608925825004045498999389339755055792482758755050857992388083894620563560386965423053973997475608647555838971017611124609814680159932077485682208297169439524091374371250914302284485596173136810430827514583388353563423230413369639629173249176267404800060945714385854106858809942240745571472494295899793403647881492769672959619559302362437351225305663341216408770874405945102744440856560442742143399510196775216462327363935589974604209767865944523938080560736566107647551328473940433810856653374245805351398113458458400131778222454369258768101951100400548869759010307995547158688301961877474240317995355969581159966030247013715076635053921448839876195065802490910771233896017376398258439867798693749817956802465687649032142060371435249726308687017511214098133976225154915081561244312111049885163409641695208871526324849190219466945990030020490038964062293639927428784075566754751742980283296129501096670222744690878243634786076555081343586550107419409251694298560545717
 . . . . . . . . . . . . . . . . . . . . [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)
							b78ce3a7ba44e26e2521ea9acd5ad92d375b17a2
 . . . . . . . . . . . . . . . . [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 'go.z-band.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)
							00f1007600747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc560000016d5691bacc0000040300473045022100c79d925dd04a927c2b4c05349a5d4d9b3b3b8fb4b8739c6e119086e0d3637218022013ec2111f499fdcc358ddca8c287fb9062d133cfc0092904401c44f5373f995300770063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d0000016d5691bae20000040300483046022100e12064624e3381d1a1a114a32bc8f637a9798f819221bca6724c1792ef0f81e9022100bb5bf751d31881eda30bae326b56ebeeb3b8db6c60bcfb8701d4fa389188ebd4
 . . . . [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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