answers-en.ifunfactory.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:06:b2:e6:00:cb:53:63:74:f6:c9:e6:09:47:34:4d:06:a3 was issued on by Let's Encrypt.

With 3 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=answers-en.ifunfactory.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:06:b2:e6:00:cb:53:63:74:f6:c9:e6:09:47:34:4d:06:a3
Serial Number (int): 350728634756202919885221218726947840657059
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: c4:cc:f3:4b:c3:ac:8f:1b:f5:51:48:f9:51:36:ca:87:b1:73:64:96
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 64:57:88:26:19:89:17:ac:23:0d:0e:85:b8:1d:fb:eb:7e:de:09:a2
Fingerprint (sha256): 62:ba:aa:dc:e7:35:56:38:c2:a4:a0:8b:45:e8:fa:49:d6:b2:e6:c4:0d:b1:ce:6a:42:38:d4:c3:5f:88:cc:15

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 answers-en.ifunfactory.com

3

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for answers-en.ifunfactory.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

answers-en.ifunfactory.com
answers-zh.ifunfactory.com
answers.ifunfactory.com

Other certificates including the domain name ifunfactory.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for answers-en.ifunfactory.com in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwdDUSOff2+F5+fhwJSTc
YXiBRz9UN9nv1+jLjO8SZS2PooGLTWPnEXg7lqtKiObJhpE3VGQndIyv+u5NkQJh
JkjbHNWBV7N2qphJuGi7AtIzEGKq8Gi8gf3auPL0LiTM+lMYXzO8SkOrjUg5V2W3
SOxzTtspFn6KfV+slXo/hqVOdCZvmcoNSl3Wj+yXukUpNb8naQi3fBtJshsxxXci
X7nsVU8tLGUtjSsjEtnqpkq26Cffso3wWZ56RdIGrNpNPyA+FMC4nQn6OLqdDD7O
YsT0X4E6CHrsUaseJOgqkgBj9sCklEwdRm79+f26UeTN6S5fIz1basxEpvGVOMZw
7QIDAQAB
-----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 350728634756202919885221218726947840657059
 . . . . . . . . [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 2018-12-20 01:08:31 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-03-20 01:08:31 +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 'answers-en.ifunfactory.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 24466970393462977646601540215778001490667281749387061041708087124309464616811967637372812033714477305350731079505870400411240418463162669267787329978617841191760494112792335274303039969894901726019773572174991120286533440323830677665069537663419230817362357684045508538200903823195046102627862505889923078773488727564165068106650300667141229217237362922873099869782171763979078380366944647375021259526766808819745898292517306334254091900300256304298309147317777084688242042532243873101416737139687924795950783135272475671247478855193569759904577112940099500116365192257694584163054430077810032386922131326387110703341
 . . . . . . . . . . . . . . . . . . . . [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)
							c4ccf34bc3ac8f1bf55148f95136ca87b1736496
 . . . . . . . . . . . . . . . . [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 (83 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'answers-en.ifunfactory.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'answers-zh.ifunfactory.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'answers.ifunfactory.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)
							00f0007700e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe00000167c95f15af0000040300483046022100a1cb886fcecaf12ddb5ab3e096d84bd537e60cadc2a036017d5f819c853adb30022100ed0b4dd13f9507776e2c703efbd198e1caff42d6a600897a6cadcb25564c71c0007500293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f47800000167c95f15a6000004030046304402206289d530074d0c72917e3d06f5fe47149b287c47516d39b11185220578e2ef9102200a1d9b4f22a013174c9ea4227557c8d207db61901ca4c5b664c66b9f7547ab49
 . . . . [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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