blog.z-band.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:9a:95:fd:e3:6b:83:b4:dc:63:ec:4f:ba:0f:51:c0:1b:f7 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): 03:9a:95:fd:e3:6b:83:b4:dc:63:ec:4f:ba:0f:51:c0:1b:f7
Serial Number (int): 313939715536207579691337552643343255608311
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 08:56:e8:bc:cb:3a:3e:0a:f5:66:dd:74:b2:22:ae:7b:42:89:81:f2
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): db:38:dc:48:e6:cb:a8:7d:40:30:02:08:78:96:3e:00:c9:3b:ee:fd
Fingerprint (sha256): 85:1e:79:99:e1:75:a4:5c:f0:ec:cf:8f:4a:c2:92:79:db:53:4a:a6:ff:8c:b9:f7:b2:8b:6b:f1:83:80:3c:3e

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 313939715536207579691337552643343255608311
 . . . . . . . . [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 2019-09-21 23:12:08 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-12-20 23:12:08 +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 711959626032134869775418330501894374040480401920496441570355908109121651164957963009278477688755287839341455567097932645822001576808384893511553005671924742982442243316463104559336150916430227252216971164848843992255667118456703763490689876594088358703820598549667506498360646933589255349557141268842414812509732254447819108460604356417734945287230804783828438641661950255281981160719307045519980230974274609287014793340824542069828682769209238662941351336331930075655905274438602323309267279382711174183998850019006228264060277248777617826810852701312114868220379133415953498343936466201133077749206697693594127463787742823757739916953669092565215987849562060268829055455381309632663136665007679647889943232999645250612133282642905238613337886939943604603698676136614744893048719395446240202852541783871696690193397988431475499592450925507031444182196631409930802538176537690421257400001434172891073984983327309192416594868421727807195273650613344938188873343325849265504941310726540450315526879985601988384722792749200402012254908449635665385822996779905823925529097627831236436169892853743612011391944037671711460410704108164861847177698041592064357924012954427014090701424548884219605700746177720985943233336197097634394750831019
 . . . . . . . . . . . . . . . . . . . . [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)
							0856e8bccb3a3e0af566dd74b222ae7b428981f2
 . . . . . . . . . . . . . . . . [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 (247 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes)
							00f2007700e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe0000016d564fbad20000040300483046022100ade8bbb34be89e7800267c30efff4fa4335fcef73b174c360348b22a8e53498c0221008ab5f82e2ff05614b76714b57a031ad53d0d90e449ca83cb0fe5e27272f4c37800770063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d0000016d564fbaf50000040300483046022100c8be560cab411f50b5e1bcc4852366297fc3e9c94458d4f7afe6dba540e580e8022100aa1361dbb050f7c4d5263f90fc68d2879c6b709e694e8457b5c66c72bccd6501
 . . . . [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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