go.z-band.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:4a:19:1f:b0:46:e6:5a:c1:ae:f0:17:17:0d:56:eb:92:2b 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): 03:4a:19:1f:b0:46:e6:5a:c1:ae:f0:17:17:0d:56:eb:92:2b
Serial Number (int): 286551148183848776601559436992645390111275
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 05:6d:c1:8a:96:9c:34:66:03:dd:ae:c7:b4:60:f6:0e:a3:d1:2f:e3
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): fb:dd:77:a6:fa:36:bd:db:d2:6f:c0:7b:56:06:8e:0e:89:47:04:b5
Fingerprint (sha256): da:b9:de:ff:a8:aa:f3:fa:9e:42:69:58:04:90:e5:52:86:89:87:cf:80:9e:10:82:e1:64:2e:92:77:db:39:2d

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-----
MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEA6s2a+6Ye58k/l4TTxGyb
HgTO8RVQTeIyu4hERSs7yzW+oqLD4AOEGf8TBfumQleeEfGvl/lQNDH89dte/30N
ocwJuduAmMeOsuXlddksY4SsCHsUDOTu5eB6U2zD/l88IUJAMxabYyVvZWBKDOxC
Y+OjK0sb3exYlEZxcFBpz38tMYZToXaxCn3C62gAmVQPc+vx1o4hoL9atmN6tD4s
hYROaCcVPQWoui9CB5xw4HtYPJOYA5MDzapNPbJTjQRSCpGTo3QmPSIN+QVQ9XgK
Mh9azsxiA/rANVQxmM8lj/O6ScIOg93XK4xMWeURC/rwQstDFHMMuShC9oW1kTtW
qdfJKv+RKX7QT9w7JtO7v4foXFdXdOAnkHXaoTMW3wiCSDgz/xiTA4i7O4BKtn3Y
9pS1eqb3XnrOU/UIcIx0FcnrILjqNsq/uKNJA/pxdQJBNkA5qRbNFTX+X2iyE1KD
NFo0DmnUgGIKx3SpxTh/sv792rzCoaY8eYZ2f6kiyQnRJZs41JTQy8YfqPKZ96Ei
WZbiBlDdXTJnqErSgjJD7mqY7g+OKA4o7MXIDLKRXRyMO5a8uBfwjq6h+nUVRyyd
Zw36j7MRytnMLD3JRvhxINhJxP8hZnb1OVT9+VCRtsHuGvC9WKW84SXfzekdfQdA
c76YanmgQqGeoSVPGULO3vECAwEAAQ==
-----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 286551148183848776601559436992645390111275
 . . . . . . . . [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 2020-02-19 18:29:30 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-05-19 18:29:30 +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 957913262151401751310778723536983273239237947021895618400578041280842687028593458582061298256626290661109751603090012669468447354809734059573797072727416088306171007964408769688654367897235181685219940799412582651445434519628239345287450258645788278213210701062589111243760711467773849759397294826699561142129116536071762687004020594143093097752729139880711017313175898847053397327126039288747891913230183996699451886244717317148989600052910836604970622935458976416271401751340667529837475529946618644773966206658997087794550878820765094522705965496709222848689442182514445642500361637184040642864394118324250326531996630642179814348170167506232365474974380433261568265937808022618182507717139675831560411580450858135854885641772916820306457586913244932187190145327497858572252605367850149302718526655969638709523380054085377028075885461427585134448575093831327654106923678373685556740049627168656240432801723220398531934303502783393509608401587831523140348591905419239739874603763997456893979878532347891821688330907116917501696516932284393560933307571228968959195198403782057758878324404325182138227297417143125291484555478359362104406450103512218888156922842053175211007877141413321724363094359982428531353528611709787284725227249
 . . . . . . . . . . . . . . . . . . . . [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)
							056dc18a969c346603ddaec7b460f60ea3d12fe3
 . . . . . . . . . . . . . . . . [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)
							00f1007700b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e000001705eed3d630000040300483046022100898d77bf7af7a8916071855f588dfea99cc5fc538021895313275e69d2fa1e69022100db4a38a0e10f235525d38ba47b7d0bd3b8d095faa25fd0265b5757751e5dbac20076005ea773f9df56c0e7b536487dd049e0327a919a0c84a112128418759681714558000001705eed3d440000040300473045022100cac8d3392ce04d3b124377bb90eb18ef6accca8a4ea9674e37d47ebc47ac99b7022017a63996de83f792d448e3cf61c75a95a857c6fd5cb681c333f4341c431cc799
 . . . . [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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