blog.z-band.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:2e:36:2d:3f:aa:5a:4c:24:f6:ae:19:92:27:d5:d1:6d:ba 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): 03:2e:36:2d:3f:aa:5a:4c:24:f6:ae:19:92:27:d5:d1:6d:ba
Serial Number (int): 277061859930063467144849043415007671446970
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 16:db:c1:5a:0e:4b:1e:37:58:18:ad:cb:78:10:08:05:ce:c5:a0:2b
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 57:5b:dd:98:0a:44:76:28:dd:03:94:01:30:82:af:1c:a0:67:30:cb
Fingerprint (sha256): 82:4e:c0:13:17:55:36:26:16:53:28:34:e3:5a:ab:62:62:93:10:fa:3f:c2:a8:66:61:bc:ec:9b:b1:5e:0c:86

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 277061859930063467144849043415007671446970
 . . . . . . . . [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 2019-01-18 13:45:15 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-04-18 13:45:15 +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 979385626050099777819984354911403532796666544271853348139233142418427603936565794268513971943954633422636109108901171673877578608140329741401908668862393565726330275447973773544438957401186452357029884993426081031416087361393211431796581961921275633352197738292533503030730974414019952588674066406768237365445694586108192016082183499978832304932282121610038773584278461810646981393493073208515531459571437621203944061499162819400666358286492802456062666974575987756160349991643772710417998776277645661501183124820309945513964194700967931811676814900114560559312839385092981931114705990378025035596779742076347639361559262834016019200604943912129559286624014148096273886598251560515954962503394790726015903131111441598441048296207074337055392160981276245876324817808216089692853091979183106587748756768841005529128404790609463942974676651961969261569022999626102600759923560754158316275800695392213771992124148025257100344767538225072876583448260333802815530313241889014265409049131129366642852555051917403970820993918232869694586865622855891500613099910466087621026986376597931010530497773572344400501761654231225321639546121847735945403635549758114784989382694060509563472197369226357708421394003032149833641099930754386371000173103
 . . . . . . . . . . . . . . . . . . . . [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)
							16dbc15a0e4b1e375818adcb78100805cec5a02b
 . . . . . . . . . . . . . . . . [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)
							00f0007600e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe00000168616c52d3000004030047304502205914bebc61045c307c30cb2cfaca86101e5d05d2cff3f9c4eb33988e7539e4ec022100a4c0816e253b3136f538a16807662ca4b8c8ec3c58dae05deccf75e81d99238600760063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d00000168616c531700000403004730450221008afdfba9355dbd5520db72dd9a6f251f30729d96a591817652f7850af4ba16c302206b1b0e0e1ae6380fee0c01f9e9dab02ba31c4fb2fbdd76ff7e98a0817fc76d39
 . . . . [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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