blog.z-band.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:1d:5d:f6:48:2f:70:b4:50:74:b3:af:ad:92:80:4c:24:e5 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): 03:1d:5d:f6:48:2f:70:b4:50:74:b3:af:ad:92:80:4c:24:e5
Serial Number (int): 271329943408715247532866539054289973421285
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: d6:09:c6:30:77:87:7d:ff:f4:1a:86:ff:6d:1b:e4:6d:be:13:a3:8d
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 08:96:a1:46:79:e3:dc:93:07:31:29:9a:80:83:47:3e:45:7d:61:9a
Fingerprint (sha256): 88:7c:67:26:36:3f:59:a3:ea:00:6b:2d:7d:15:8e:47:ea:8a:14:7a:57:bf:28:0a:2a:05:55:9c:52:bb:f0:f6

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 271329943408715247532866539054289973421285
 . . . . . . . . [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 2019-05-20 02:27:28 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-08-18 02:27:28 +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 765082727070738452042111327927082505596339684735835470259696144863721637160617431348226906499891077772957636020523719379198086852281347892395536506172184171510036713133392623257585598363043716796317627520822067420464389789237037599315914225614480407099799587281450574970000166549932693682487247882445197704306182892277034031001790831832943988444277005451925602625847152107641008839794152654740995336735214959145083179478190447082910222519287302437841410856381684373265656759224135638317865079864184071209023518857794346302337152650790590571026909016910699707325734251920116179939221999501850750665185759291562452496980692871766087133373903329775438911869146097255856380928851214293154330189294526264716966790580727013155383557531894369719464566521358072178382228944364827253698870331738364596684357486294310831737372165280582262642666865304234610194274067085575505564890175810981883927219870583130806918396319555307548940594166859934786947621106188531268113018896337374278966274254883696991247405711583415713218380523634488603599789586249225743163016308563510977869247277994074382317908668435775770080441823370684951600256340479826066635802128791212180649877935478272752297833148274897175682450919867871872928340580337084791507999843
 . . . . . . . . . . . . . . . . . . . . [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)
							d609c63077877dfff41a86ff6d1be46dbe13a38d
 . . . . . . . . . . . . . . . . [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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007600e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe0000016ad347a4e30000040300473045022100988b64fa5de03356010e88ee9c12ab7d4b0478531633f0991c351a2c90551101022027f701c1343547896bcefe4761c1d843f4e699f29a781e405fdca83937a9a66e00760063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d0000016ad347a5040000040300473045022100eb6c34881065b17d1ac2656ae520012f23e6bda864aaa5b5113b73de42d3aef1022048f0a054991776f3c59e05d158f530db6ef7ae21e5695df494d4482f2d5987f3
 . . . . [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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