blog.backlightmag.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:19:3e:62:d6:ba:1b:e7:f9:9c:b5:44:8b:6e:af:13:7c:71 was issued on by Let's Encrypt.

With 2 subject alternative names this certificate can be used to secure multiple fqdn's. 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.backlightmag.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:19:3e:62:d6:ba:1b:e7:f9:9c:b5:44:8b:6e:af:13:7c:71
Serial Number (int): 357039128236075979315307748063775504432241
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 77:61:84:14:eb:e6:27:be:d4:8c:91:25:39:e0:50:41:26:a0:e8:73
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): ea:99:49:14:6d:23:33:7a:fb:72:c1:8b:8a:5c:66:be:44:92:73:03
Fingerprint (sha256): c2:74:70:f1:ce:9f:80:24:b2:43:5b:bf:d9:2d:2e:e9:a7:3a:42:d4:7e:65:ad:a2:2c:d2:73:72:0a:07:71:f4

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.backlightmag.com

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for blog.backlightmag.com

Public Key Algorithm

RSA

Key Size

2048

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.backlightmag.com
www.blog.backlightmag.com

Other certificates including the domain name backlightmag.com

(limited to 100 certificates)
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blog.backlightmag.com
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www.blog.backlightmag.com
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karinesabatier.com
karinesabatier.com
blog.backlightmag.com
blog.backlightmag.com
bliss-coiffure.fr
blog.backlightmag.com
blog.backlightmag.com
autodiscover.backlightmag.com
blog.backlightmag.com
petitsbonheurs.com
moving-west.com
blog.backlightmag.com
blog.backlightmag.com
cpcalendars.backlightmag.com
blog.backlightmag.com
blog.backlightmag.com
backlightmag.petitsbonheurs.com
petitsbonheurs.com
bliss-coiffure.fr
blog.backlightmag.com

Certificate

The complete raw certificate details for blog.backlightmag.com in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAx83CwXWaQdkMjK5wQqaz
Vrby6GkVXn+F3Ma8p2IIM2n9hQVACbGrlGcM7f3jxpCucq9nZACP64CZrX9tx0+D
7cxEqTJjbh1MF4/Y8oXd4Y/g1B5vG1zTNHQFRZ3G2BC+HWn6zp+VwxviMsPwG63s
57qdJQofBu8aYH8zGiUvLcoamOaAehzB3xVe+vlY0jJnT52iD+3jDqYyOmxpnVg8
TMRrYmBuH2omImKh7/5jIInl/604RMzqx8wjpKc0gChrKP+N2sh747jm/O7shs+5
Y8LDnWXGZcGOEH0yu7bom+bD/av0u+15/OHMA1zTUN4x3K5OjkxGNJQVy3h6ALTe
jwIDAQAB
-----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 357039128236075979315307748063775504432241
 . . . . . . . . [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 2019-07-11 13:16:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-10-09 13:16:00 +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.backlightmag.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 (2160 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 25222887102829413322891887019896501140409016946967371545116931346663215556349119252004954882501769586328019122964731050469208869666564495279837693316425344810026485223737454888286461241368171424994787065177092450047005808576456360064670801067147449364441687860060005033154475075595029273836695001658965009517444226078692205646832829328645940515683350072392807634256586590237669301345181761009248161020939030479714547105226681470827060838552441635534652259910226056860333330759807688090554894319919659607281151110856805559368384844166297391695077421181139734408682706444913115106127050663933637254972182496066644795023
 . . . . . . . . . . . . . . . . . . . . [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)
							77618414ebe627bed48c912539e0504126a0e873
 . . . . . . . . . . . . . . . . [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 (52 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'blog.backlightmag.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.blog.backlightmag.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)
							00f1007600e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe0000016be16412740000040300473045022100c93bf3c47af63f4180273974a83a31ae680c599ac78bbdb58af6a159aab82dcb02200a9bdf858070328bf885fa13a9a174a3f08173e791dc7eea9b3c61a2f367273400770063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d0000016be16412660000040300483046022100899b0f0b742f4f64f5dca01b33ad6702fb17f3f9705891c066a5b0df18cc3e4c02210083c579e24fc2133259f8580a0c38850b435c7a4eaa9c9ea38b45d21d7d1ab16e
 . . . . [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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