blog.backlightmag.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:22:91:6b:b8:1c:6e:55:be:a7:c6:5d:90:c3:bf:be:95:65 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): 04:22:91:6b:b8:1c:6e:55:be:a7:c6:5d:90:c3:bf:be:95:65
Serial Number (int): 360212041571721473004803945855116526916965
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: ff:38:f9:2a:72:e3:4b:ac:e5:17:20:93:19:13:34:99:7e:d6:1a:19
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 72:7a:28:2c:e9:89:66:a0:4a:4d:25:8c:fd:a7:a4:aa:81:fd:cb:14
Fingerprint (sha256): 84:1f:6d:f9:cf:e6:e0:2c:6f:26:87:6c:b5:5b:33:4d:da:21:4e:b7:20:33:c9:e2:5a:a6:76:c1:b2:9e:72:f3

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)
petitsbonheurs.com
moving-west.com
blog.backlightmag.com
bliss-coiffure.fr
www.blog.backlightmag.com
le-shift.co
karinesabatier.com
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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtrUvGCgDi8z1xjQX4ny3
1xapppvRpf/yRymWJR2NSHpSyLXLq+IKyjzlUGZc0RGwN/2y1UTI4YeqbgOqEczH
P7ENzJPqC+Q7TzlZ+Dcbu7ec59FnGU7Dx+YnH9N7mE+fviejrAEs0BJuq7T1/RZ1
xWIpq1KOjBQj9H9ZZKMaND0wack3zA9yaPuTdhiF5CJv835EKDpJiQ99etTsZeXB
A443f4fyAyY0yY4DCyZ41byeZJC3Mo5gatx9ZAhy1VZEDCdtTqe6oSE+uOpWz7I/
fhBWBgRgXQXpGcqSe5bVPv+pdLqjKVwBFDllETYsGoF01yvdsBYezvT2wpPlQ/Ih
dQIDAQAB
-----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 360212041571721473004803945855116526916965
 . . . . . . . . [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 2019-01-08 15:38:24 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-04-08 15:38:24 +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 23064716645594492625294457940443383348975524653682762989133533193152785776655847912634705053151534207686302351354891930668681688443040508939002790215715541326649064101136698945276743576892772978892584144914371165634777036265134608125799469300588558205773066138753360736075344500269356036074192296131622811609788754498012255468935011751635164471183364069789779639017644944051563901177858743792601585707171924769121649755539147164936736653843524338328211773324795643398293884540955895329517945737170106928889749358689024983788352712868547226608392857593139365029032144429560938716805341243839442848436381701619116548469
 . . . . . . . . . . . . . . . . . . . . [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)
							ff38f92a72e34bace5172093191334997ed61a19
 . . . . . . . . . . . . . . . . [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)
							00f10077005581d4c2169036014aea0b9b573c53f0c0e43878702508172fa3aa1d0713d30c000001682e5451c40000040300483046022100dadeb7e37b4ac8e90f7b0310d2bbaa5ada79ef03bb48b81866c60529930db51b022100bd5cbd54f90ed2029904388e97544a774b403ef9094855a8f62442243274aef8007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f478000001682e54519c0000040300473045022100d611a8b8b014603b5dbeae953f4d5e434d430edde48564b79b56442804edcb5002207088da5375ef838eabb02b1a2d1cb95a7094f2648035e067ea1b044edcc32723
 . . . . [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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