go.z-band.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:b5:be:b7:8b:95:60:2c:4d:e9:4b:29:7c:95:09:80:f8:02 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:b5:be:b7:8b:95:60:2c:4d:e9:4b:29:7c:95:09:80:f8:02
Serial Number (int): 323181472548584542959862460822560236959746
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: d7:bb:bf:c4:86:d9:51:52:0b:d7:aa:60:15:f9:af:64:06:64:83:41
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 4a:ed:6b:b2:7d:10:6d:ae:f7:07:59:97:d2:e6:94:2e:26:64:e4:b4
Fingerprint (sha256): e4:65:70:fa:46:e7:11:85:c0:4d:3e:f8:8a:5b:08:64:c9:67:74:aa:c1:4b:8a:82:d6:92:13:38:bd:5a:1f:d1

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 323181472548584542959862460822560236959746
 . . . . . . . . [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 2018-11-23 01:52:57 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-02-21 01:52:57 +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 787389728668188089025622525668748461686072992457720007241188423257934414716158874879409269355976875652328769583239770142828223335768411063838332672718592209869791517099692451857512872229625939994963899770014853840399152917201824756184668732192506130597624888098827351299070255564665123497095430772675904192338975995883817348381099788995452795001537302451453959592296621895208591556548862290071870261569283418028354910498805433749874634183601812171059890838342425241757065927151833893233937116257650190914049732084043419794829469557505184382503399802270387051186532019452893712894341906419737760563067505351176764812731489903824703643122428835461629500738423419001488955716167692154660840534406442700030934591225658333307790650640693746319997406739860694518452714427830343820639295043410671076033634945038793379881703900514722821283957184811836567904256137694198451011339421862877763886535803085685541576996131808662918507722600694658510051241494331871002854207315236374150541798965054096045867492205607302120007696542271094352530700819506125998946168582138113600681983952447993647957619143327431447334042522339173023081592603679525358853709808041328239641343646238785153613116655068462564838726111288850566199253624308496757021977753
 . . . . . . . . . . . . . . . . . . . . [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)
							d7bbbfc486d951520bd7aa6015f9af6406648341
 . . . . . . . . . . . . . . . . [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 (247 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes)
							00f2007700e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe000001673e7c12600000040300483046022100ffef7ad41cd84ee8c5344c5e5716fb1786da28d509f11592ae6ad00d43164b4a022100fb2d94d34289ba89aba7d9f9fefe7d494db9e255e1aff9a53f5c446a2bd327ce007700293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f478000001673e7c14540000040300483046022100a8712200daf9596b00540f5c461a7159e171e0daacba42ea44dfad0f05b88c9c022100d528ff241ff57d7c5adcdce2eed9d1addfcbfb5d56be5874f13dfee854baa950
 . . . . [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)
		00254c0cfd3b12784d1cd1bfccc50429ebc22e31e53c1f4d209a180ebff4e2eab2379dcf7f0696a800cddae28f857e79c1e75a3644f4373d7a4ffabf9872680061b580df7f2f3984ae134641ee5286c92653e2ed58628aa8dbbfcf5249502d978e866061f2184fd20370dcadae5ab9a0f63317026ba94505c0c3574f45d23516ce66bb27fcd528a33c9dc0f1c6087f05b76c00e1ab421aba3ee5ed43c513efdc76723557de57d28f6734861c1bdf0cd07199bffc3403fc91d8bc1d42ef4edb2686b59f1e4851d34d0723c216f5c1d9e719fea5e6acf93df4c5db307fe55c74348f299d232170de08bf89bafb44828e79c6805cb418e6ec408ac943c27dfd175117