blog.z-band.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:90:95:1b:33:df:fa:ee:b2:e4:18:b6:a0:15:b4:88:e5:b5 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=blog.z-band.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:90:95:1b:33:df:fa:ee:b2:e4:18:b6:a0:15:b4:88:e5:b5
Serial Number (int): 310535714847431441432511695393070542022069
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: e4:a3:e0:ee:5a:10:9d:65:f2:2b:c0:1d:c7:76:b5:93:55:e4:4c:c3
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 2e:d7:66:43:0e:a2:d3:2d:92:f6:6d:a6:da:34:ee:58:40:37:e9:91
Fingerprint (sha256): 10:b4:87:bd:e9:cb:34:43:70:df:71:fe:01:40:f4:df:4b:4c:49:78:d4:01:6c:c8:cc:5b:31:fa:09:bd:58:65

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 blog.z-band.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for blog.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

blog.z-band.com

Other certificates including the domain name z-band.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for blog.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 310535714847431441432511695393070542022069
 . . . . . . . . [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 2020-04-02 03:59:03 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-07-01 03:59:03 +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 'blog.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 732963961563846828347267520400853499366744570791374799907671396540748980994430483130758128454931363362482058587749566139376625227165561395628865903072027099424581750193224732992359207925458947554214790809656819986675402166026860859950962827814748341746461573964514560904889346077522564649474588470943383682318032171972497558003427077365762133026308099429384558035357916609044957632250376413197610482490121939024791314820681084625277103742146527941224264986256281741790568258253368763555580078128192789777535600719857046571545681384641588487579564000311453352088511236831034849433561151896566657350621252084201653087393767903467209961406603407257383166005156026644363010830806082405658355837603806182413859712579415686678623525189138584838598426385197404803112270770866659450766231141031869966820292086887984781342583619594723591052705180054597972148332593798263462737287758032559791663511150628600144955384914369350798089322668232108405002151819383727219086812791549779476103100197085975027741851190905969759740972589859348882565155793432989661844631160885847911708468837654095150843396273359109597539989986235616885544965726251691925312807578773705244557606975340712830043260916009134352598657925002420398355086916527915478072833053
 . . . . . . . . . . . . . . . . . . . . [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)
							e4a3e0ee5a109d65f22bc01dc776b59355e44cc3
 . . . . . . . . . . . . . . . . [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 (19 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'blog.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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef007600f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb273000001713941c55c0000040300473045022100964015837ae16755d58477e8b11fb51f7105a15fdf75cd6223fc022370686a7d0220030fee44d8c15ca1c2a96c45ea7e4c83f96a708d63edd31e9ceb95e6ab76333200750007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c000001713941c5840000040300463044022033a8894e26f8b214c70e55421f688a1015f1eb0e28320f4958eee855bd72b1bb02204308a2139eb612a5f9973bd28e7f27eba374b3f88e8c88ad32326e730467ebc6
 . . . . [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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