go.z-band.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:0e:0d:4f:51:0b:e4:a2:77:0d:b9:a7:6b:0f:ec:c6:2e:4e 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): 03:0e:0d:4f:51:0b:e4:a2:77:0d:b9:a7:6b:0f:ec:c6:2e:4e
Serial Number (int): 266118502731388353259968399624868557368910
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 35:a4:f9:14:6a:52:91:16:cf:da:4e:6a:3e:c4:3f:53:a3:bf:5d:0e
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 0a:df:64:26:87:cc:69:72:93:7a:ab:2c:61:d5:f7:f3:fc:b1:33:f6
Fingerprint (sha256): 8d:3f:16:e3:fe:df:6d:bb:49:0e:91:d6:61:25:25:43:96:bc:8a:f5:d8:c3:d2:26:2d:20:46:b8:17:4c:91:d2

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-----
MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAzg988um4JtFuMAwHfkm9
/9dZ2lgYMOV8l5PW+E4pJRR6oCftA9TAwg/7FqYbfcuE+Bfr9jv11KOXX4S0jR4G
iDNriK0c/4x5hfXpE8b/BTfHX9ymu/3mTFhAh8JObj3njz4sKsAPsc15ECo0chYV
9hz6aEKNXZu97bKjWcOe7NDisV+dScDCkKSnK9t6SFgbPZdV/5nJ7PPtAmVk/fiZ
j39Is3KCP+JRzfO2jsxPGSQv8Wmz9dTsxcomW0/p/pSJNoiBTA0uMb+5d0isHbFX
KrvHa7ryrLRp/KowxY2pDih3nTrtDJqhrvOLPeecmUOpKLn9/B9S1RoYF/BuOSa6
ElubCJtJ/PkShmiq/WFGlJzWDbWHta13IhVKq1+f09yhJaE9yNAZxr8Z3H3KBL7b
jROKeiSmST6sjoKTdLqNSwtD2P3KHH483gPiZ2nt3716125UtOPg0acoojC/yVZc
48cklrka9B7YlF4ouPgxJISuuUhmrv2wCREqRuU/64h4Ad7aNuVQpI0xHiU2Cv+R
g/a4U1aBxdPAY5xUOUMV0I0sbs7iGTDOqlkTJol7QO4sPtgyWvk1tyzJQSt8xlLk
ykkDwLwFW9RxGu3oN5vgobx1rvASk8/jrRFVvCRkbums+/mPxKwfPP7xChun9+mA
lb1yFyKKosmCfboefpIjrEMCAwEAAQ==
-----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 266118502731388353259968399624868557368910
 . . . . . . . . [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 2019-07-23 12:39:20 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-10-21 12:39:20 +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 840653497777974007934672624792902699010425465311189280728935099535297502121502904035717409998981193319242763327023922471963147004720525645615507841184143101019547709838553844129555075438387891083237452772023876436517523887470706615800509093726111173229173911641200339716437978255444896007433278236926280981425661834708477189051802855253737994849736574536369200150866507373973228702582635545158754793286710087896920846324182832766022913889717145939929438341978764532989569144419430757202550412189151025507117540839791734258064336807976360616141565889328552697470415354349815067871886907842915215582128758830118805503689754748365993140798072741819719953860444782043436809814743826319817437009189592061404578002803474870404388527959815842669739579334827358333049063193927450362312872798343356164483414567962859078281687241645348029055123955112120810763687368225367486016896595254985510450646310507825244438286580961842395371292745892458401847383178650696365432070094700236708533280217036429637080604490243049419531213993780059590530975717042808523684326957665447417830665457195399375870216791314702614022964426764086011685639169984116636264390880121978849020035916426521900629111255777438695730260512560010652991916114815187222995905603
 . . . . . . . . . . . . . . . . . . . . [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)
							35a4f9146a529116cfda4e6a3ec43f53a3bf5d0e
 . . . . . . . . . . . . . . . . [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)
							00f1007700747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc560000016c1f0ed2680000040300483046022100cf8eb76adf7b20609ea443ddca839fd7632d8f665c6bdf7321cc782e16be23d3022100c86a3ccdbc84038f83e90706223c48b8b18270416fa5d8e64ebc7c2da74f336400760063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d0000016c1f0ed2870000040300473045022100bad47b742cfa8f44a67fbdbe1e718069a4fe2722e189a9fe0d1b7f8b4be736b9022049967a7751a3e5b34fc919a9f59d9a34ebc81b54f2211c5b7b735094c6b2ef2a
 . . . . [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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