blog.backlightmag.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:20:3a:e3:a2:e2:85:43:43:21:26:a5:1d:69:02:d8:3a:9d 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): 04:20:3a:e3:a2:e2:85:43:43:21:26:a5:1d:69:02:d8:3a:9d
Serial Number (int): 359416456647350593284964266300981066087069
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 4c:64:e3:28:d2:ab:86:e9:ce:d9:2d:27:b9:8f:3d:a1:8a:d4:88:d0
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): e6:c0:70:4c:04:2e:1f:48:7c:be:6d:b2:96:fb:f8:ef:6e:39:93:09
Fingerprint (sha256): a4:3a:3f:fd:c2:ee:c0:d6:00:5e:5c:53:ae:35:a0:14:ac:44:c1:6d:48:ec:1d:4f:e2:d6:fd:d0:1a:8a:df:a7

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
bliss-coiffure.fr
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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwvO6428hAKQkW06DwqUf
WyQ80iJ6xMi9Q6qQpV/AjR9Ra5A7mJrwzFJqRWvSTsPJkrfLKx6LLkvfBH8Qga7u
tFBa5WchzjKaDKrFUZJ2/tx5hUU/R8tLn+lJkew0O+uKg7SclOm9ds+660KZ0DW/
PmFG1K/1SrSyamM5z5Z05BmkxxiPOkxOf1ll+cP8IR0kMwsY6XqMhh3v8AajHvE2
TopTFDFFp8AzqU4dwnF3VWKH2N1CKKxwVzOicsTNIULC6CmNiHQFQ7/7UvX5pTrR
f9rKShBk5m/Yzy6q84xY3c67BNsovEmkM+1AV2OY23RJJ9Sjbc3Qs4oSmRr9mLbP
qQIDAQAB
-----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 359416456647350593284964266300981066087069
 . . . . . . . . [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 2019-09-10 13:16:31 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-12-09 13:16:31 +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 24610418922082145395241802631346297244908591451694188614305562844411068750837266237374825290625832884763123441928774487659672906666944274276957196823729305462320419189953474575542581001696389853165574216474452451273553607171208519235656523831849337049455185047235597083611212272690853336631452424519884103233375302619550928721885810640424297608612589330539764874559818366658280143610220453162086362931724944890524487370397627945442465603945847961780756034335886315621547961619139000254119784428313485012974375695101094753932492444141956796221448345196055789248326502983352966980062025137530999585055233722761776385961
 . . . . . . . . . . . . . . . . . . . . [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)
							4c64e328d2ab86e9ced92d27b98f3da18ad488d0
 . . . . . . . . . . . . . . . . [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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f00076006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016d1b88787f00000403004730450220356f03baf62cabc134dd849b671db64ca8364cb43b7daa7a50d039a02c167d23022100acef593af456b3d2149befd4a1686507e51f9848ba981061497b96e4a7f17df600760063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d0000016d1b8878d70000040300473045022027ec132ee3544cb17db050b4c99c5c8af8cd9e03905e20754d3382b0e0545482022100b711c3d0991f80c7ad5541cdcd800721fb7c310305059318d78bf2e798e9bce3
 . . . . [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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