go.z-band.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:93:58:5b:66:2a:b9:d4:8d:e6:46:5e:04:bc:6d:d2:5d:e2 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): 03:93:58:5b:66:2a:b9:d4:8d:e6:46:5e:04:bc:6d:d2:5d:e2
Serial Number (int): 311475812367492767422379185374197122751970
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 1b:da:b5:c8:9a:ac:e5:86:17:60:e2:8a:e5:be:18:88:91:64:25:9a
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 77:e9:a2:00:13:8f:5a:cc:cb:3e:a8:6d:52:32:71:f5:d0:3e:fc:05
Fingerprint (sha256): 62:4a:cf:74:ef:ca:9c:49:94:8c:52:0e:92:5f:2b:1a:12:52:da:53:d2:86:fa:e1:e7:cf:71:8b:8f:4a:09:28

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 311475812367492767422379185374197122751970
 . . . . . . . . [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 2019-03-24 06:28:10 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-06-22 06:28:10 +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 724891535812099887776360928258355338042923573363627031574455927793691869297059678315285578126819099124517612070312743635476569144284913248112322332395071414867732028890177277666264024397737275726093815797536735484690465965597609452303156640752484165924062841124249410319073856312698056870842426569828966111513241716230045876797929771056027513201407249061217811116061205688618028804131777799036427153016080760339381470064487483089067394791242156463953509470543946955580674251450874271095947279611069366953331617731208191144461224546554681607900791225357518904667437030971682588274046754935873915264257689174475281373671114635811901169846075880353884536139041871699648248629430322852930512493325603400483240846895754205296272039896404728319230861827239906123986567280013100823007771719623723931558738879790336727911372070120753625098789294132078993023140464309285784304706238843235263703118069287048745468016662280530433725297115057931514174762629238258959056917101294449545688641634483368363881988417231375129561354888428384890802875583697067034135757801864113835030261195839094346275511993671761619921582874428767232936785956036668943560412134726055203477125127922542741045728970505794953783624722800143025441933458433541030408726941
 . . . . . . . . . . . . . . . . . . . . [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)
							1bdab5c89aace5861760e28ae5be18889164259a
 . . . . . . . . . . . . . . . . [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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f000760063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d00000169ae9985620000040300473045022100bec3e22011d7d9e9a99ce04f1fa0e19cefef307761f1540a52b957ec616155b902205b15a595fc0a429f6989090ddb9548b28557d8faeee230520e1d1ba829745615007600e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe00000169ae998710000004030047304502205d592e9d3b503f388f943fc108bfff3586d2d667fe106d4ea5b85e8e37155b0b022100bd9cd76055b009c34411097137e81aa3923945e22fb19533f6a6e5a8512a5e14
 . . . . [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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