blog.z-band.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:a2:f3:a0:e7:5b:a4:0e:29:0e:f4:f8:fd:27:f5:e6:46:41 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:a2:f3:a0:e7:5b:a4:0e:29:0e:f4:f8:fd:27:f5:e6:46:41
Serial Number (int): 316786439099443025043273605107287029335617
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 49:fa:cd:34:fa:9b:f5:bf:3d:d4:85:7e:88:3c:f5:d0:b2:4d:d6:bf
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): d4:f6:38:81:fa:3f:46:40:d4:fd:91:e7:51:df:f1:d2:bd:08:81:07
Fingerprint (sha256): 91:02:26:de:37:3f:9c:bb:18:92:50:2c:50:7d:fc:1b:95:91:9f:6c:55:14:ae:6c:f8:08:32:a8:69:33:78:7e

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 316786439099443025043273605107287029335617
 . . . . . . . . [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 2019-03-20 04:54:28 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-06-18 04:54:28 +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 654282767279412516389864667840393540394786630538927793432754449478443701056928033767838834802108520643629825499244302967456750157507425109384882971738778571848593204795359022395350428790050055105132369800988594610089854059947229905084396268856559418553161786491484565662814813756914404758603029377716715796169166753675296192021279076342900816228151877569016701122896992361613023711345417246744723555945109451851013941580411822742384587700966237683778210978829907742856940762645222175107028617635894808517218564743048283198671888488193410709908524222630729814625008355713838464455321038557093557375171026008434542390407251714161945008145511977529948071556954041497704467802926605648179635043342124785547481964214188310519603435948118354363735961807287834492811480810542185848289390906216901864381553916822920310787018937845980820673581346749581293724552767028517089286066864848935850858143418701684634511282356917345694213369631774633179558468681397360575720246971902992573434751882360321136624191027746342342338707670737248385577725391685146633863907444899309247923381368228559718938346637701386320974271846276295338249500698137277488898435768808197814446126157492001816118291364509575787574296463550782228008317954823860526696399859
 . . . . . . . . . . . . . . . . . . . . [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)
							49facd34fa9bf5bf3dd4857e883cf5d0b24dd6bf
 . . . . . . . . . . . . . . . . [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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f1007700e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe0000016999aa4fe80000040300483046022100b7f28ad8a5fa60a8d7fd0c6f869bdb997fb51f4d02e21214534ef75ad05d6caf022100c163bad069cc7615beda0a6b247c950fd66fd464512e9cebbd2eb648f9ca3f2900760063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d0000016999aa503d0000040300473045022100b7492eeb5bf03266133731b11dd72bd04352c692ddccb376ebf76263315ed5c8022055512cf2f54f8eb9aea615600e5f08b98f5addd1833ac72eae72348d07260a2c
 . . . . [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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