go.z-band.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:8b:1a:24:88:3e:6c:ac:b2:e8:8c:10:62:d1:96:13:79:33 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): 03:8b:1a:24:88:3e:6c:ac:b2:e8:8c:10:62:d1:96:13:79:33
Serial Number (int): 308670856411221986761455111844629841148211
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 40:7e:4f:6a:ee:83:57:86:14:8d:ff:ae:33:8a:ac:c3:c6:b2:56:38
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 04:af:ff:15:dd:d9:65:59:64:98:40:31:16:80:ab:53:e3:b9:ab:f2
Fingerprint (sha256): 77:bb:17:f5:3f:e6:66:49:3a:84:16:2d:6f:21:1a:59:0e:94:71:af:12:a1:50:80:e6:25:0d:47:1f:8f:80:5e

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 308670856411221986761455111844629841148211
 . . . . . . . . [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 2019-01-22 14:55:37 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-04-22 14:55:37 +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 747139727058860506908465868407544446696009715049990937236958636820866039181328258941615199846530644693693283833881233176486539089913204475143182109557871617262337359086752548688761028291173053266647670473909360138004616523995294121624112960937766629410134487769552786029420186499860270383006891490856973387846249960946290918991493864429736996110035361016766260567342836598214295077937106983206443940483281739476910059474631759042568477345152207374113456294023223525722820944686884256177062838527439298875375110537081908586508261275277449178186471968857075773871320883529404366831885030202410199863987151507667362973395922870192811822745583388947850758456064454852571165956562422456289457631062007479208432597938168532145109608906820892375854318514676672966381113397799127703825364700360012850702245841829252434438580123235800834202040508868230929934976526463811450171431339794737248900646082700223690310899380678085687577349489452053479141765330006400193955953439747452613387485888298268219568696427859461250852905725877946230890662588890584608636439969945276845074218145171298309853672403112197707486342782024554134470921159267538389778810179804907283651954938550823912718919055139934369185826423577538122859353235143398945740124811
 . . . . . . . . . . . . . . . . . . . . [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)
							407e4f6aee835786148dffae338aacc3c6b25638
 . . . . . . . . . . . . . . . . [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)
							00f1007700747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc56000001687646314800000403004830460221009ac224b85c89b575cfac0c90b4dbeec2a8165996b866bd58d68319c88c0e0ae1022100be51b8ee9e0631a08cb8717893ead9696e3b85699baee7dd96cff2d482e2ea66007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f478000001687646315800000403004730450220084509773c4dc7959a7c3ac99dd501d29930d0a0fff7e40be5b4ff75f0240b35022100c4588791dbe0eedc2c5c95f8c9a8ab1996d37158f23b4786a81a7280a047bb07
 . . . . [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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