go.z-band.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:0e:c8:f7:fc:58:a4:ba:d6:71:ee:6f:96:c1:ee:4e:eb:65 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:c8:f7:fc:58:a4:ba:d6:71:ee:6f:96:c1:ee:4e:eb:65
Serial Number (int): 266367944146845199541341399442825046584165
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: a8:b3:d8:1a:59:78:e7:94:25:df:69:ac:16:fc:36:b4:a9:f4:84:67
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 5c:e6:69:d2:aa:1e:5b:2b:cf:80:c1:27:61:ee:35:81:62:43:32:b7
Fingerprint (sha256): b2:24:15:98:89:46:57:62:76:62:e4:7e:ce:3c:03:1d:8f:a5:20:e5:9c:fe:88:8c:58:73:f5:60:56:3d:b2:c7

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 266367944146845199541341399442825046584165
 . . . . . . . . [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 2019-11-21 01:00:59 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-02-19 01:00:59 +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 750561613852632738654201730311442812780162776996131359031175121642175445583190023651354691601073029113412728183731332715025855545420354582668352290426681076520241670257404059640400582781612186570112452965603691111130654730033501704681170214381968975523955523575349715036664298952905884620687827196803663505575864166751772831442939227194606796659440206993904833290874158047122523766445082662728412977262923428313115742547026752899752452710430463117888981836107208429847847071763084393883123057765681779971026139141842027622205952068203368938218034228319983764527250254257540210381482436858779384064260384419829024212832897930265475146029206871217668889295680585372627431265467460417728772160007948620503310310753919292359321895037535120672972509875006709650947229293422898450797875933846998718239263440128695204760947545775757709298860753923535270072734863157925185097226497085909758473865337257632378480924855687385603834584984576578264022443114180321528271933894684981772247730629400924379728688505908608155517683449648261062436493838529834995379407440867549158119844787948601546348269616593978569373242842023786820665863611091880550989413495505258258253243668059190095051834355070913629670077241890892463705437459770480517728520793
 . . . . . . . . . . . . . . . . . . . . [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)
							a8b3d81a5978e79425df69ac16fc36b4a9f48467
 . . . . . . . . . . . . . . . . [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)
							00f1007700f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000016e8bb0f5bc0000040300483046022100dda52e488cc3150ae38f62e2eded06b1d2bb05e628e09f4fcd941309cdba826d022100b0807abe4002cbf3e182fcbae6b9bf1eeae05cefcb98899b20f28d2e5fd303c900760007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016e8bb0f5d3000004030047304502210096f1d6241851e54abc77aaa2542fc970172d9b6f416c61b4db1dcc44c0dd8b430220199e6a62654ba4bfea9add1aac07ee3baeb7718741a6996977ecd732a9c104de
 . . . . [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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