go.z-band.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:00:c1:4b:8b:49:5f:47:fa:7d:5a:04:fb:8f:cf:ee:83:c4 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): 03:00:c1:4b:8b:49:5f:47:fa:7d:5a:04:fb:8f:cf:ee:83:c4
Serial Number (int): 261593791045799697679107929363237085021124
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: b7:0d:d3:01:4b:a7:19:85:8c:21:f3:75:d2:f4:00:34:1c:40:b5:51
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 33:c7:eb:1c:31:72:80:9e:87:2c:b9:bb:83:00:71:8c:6e:34:b1:23
Fingerprint (sha256): 76:e2:8c:57:3c:86:39:c1:04:e3:5c:08:53:fe:27:61:a9:b8:f0:1c:4e:22:5c:44:1c:1a:c7:56:86:c5:34:9e

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 261593791045799697679107929363237085021124
 . . . . . . . . [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 2019-05-24 04:32:22 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-08-22 04:32:22 +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 898046030287318854821031620449874850869443217039000680303241517184426963708592407087041613470257982136170446142150083004217046007845846451013154998648625997068887528064730038830885640631415359405964666299085086509290739299543755308812349216816656634425883614626800273109256179858608235301108941024034444926249780186066742118517496137816337582711171519680848101971783880609393885811312747011121437573073464595958740419383772148628089523639956969133444686781888537537686711546154997017150214975160080819123987688966442394565973209021479738791360470669091511776177030039665653651580788873751308513083953219331317623495781349917816522585048654026088121372905028926119675132882297045468378096717840431394804214710544996250892487949802351933833718059009084587753564089497009888672237649366742795216558742944287988035561216808838522924911650337661359993267010308911078496806003566346765687135761184139883804132883986404539830994397555272477941800462532821128795758773060370296672512447085643275241216857676482130243396425948985804543944050045772748696771196142182574379445905966860051836955782301657116809968529687790717296146898726505688926409073586806729294248047997192783561432528261398956042114264568592020999018876256639182613480943673
 . . . . . . . . . . . . . . . . . . . . [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)
							b70dd3014ba719858c21f375d2f400341c40b551
 . . . . . . . . . . . . . . . . [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)
							00f0007600e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe0000016ae8536d650000040300473045022068f65f23f65c50d7c59cb9d97b9f3d79cc29bb1f2f4d8096b17328aaf7333561022100b4ca001f9495054e2d7efbc24ad1221ae890535270f555c2bf8f99ddc6147f0300760063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d0000016ae8536d900000040300473045022100821c146038650c60c4f1ada42fa76f794027c2d85f8727b0a427d353dca9a6e2022040bd1e729aeab13a8eb5f77d5ceae56cbb4aaf065afa007eb92d55156228e1f2
 . . . . [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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