1fk.in

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:eb:16:47:fd:52:8e:00:4d:3f:dc:3d:ea:cd:42:b7:9b:68 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=1fk.in

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:eb:16:47:fd:52:8e:00:4d:3f:dc:3d:ea:cd:42:b7:9b:68
Serial Number (int): 341332830828675789261967398772148771724136
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: ff:d3:b5:b2:23:c7:88:44:3e:f7:50:eb:80:d3:71:75:82:c7:e2:b6
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): e2:1f:ab:c2:2e:16:ee:e2:78:16:c7:46:14:47:8f:70:c9:9b:ae:16
Fingerprint (sha256): fe:9f:d3:d8:31:4b:51:88:3f:38:bd:48:2a:9c:34:a9:c2:1d:af:7d:62:36:5d:93:7a:4b:43:6c:d6:02:4d:4e

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 1fk.in

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for 1fk.in

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

8 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

1fk.in
www.1fk.in

Other certificates including the domain name 1fk.in

(limited to 100 certificates)
1fk.in
1fk.in
1fk.in
1fk.in
1fk.in
1fk.in
1fk.in
1fk.in
1fk.in
1fk.in
1fk.in
1fk.in
1fk.in
1fk.in
1fk.in
1fk.in
job.oo.fi
1fk.in
1fk.in
1fk.in
1fk.in
1fk.in
1fk.in
1fk.in
1fk.in
1fk.in

Certificate

The complete raw certificate details for 1fk.in in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEApwyM/1WqtSB0MMOO+IMT
fib4D6UQs6MjGZe2CkwM6dzZSSxnVH7dWqT4NcGYIFF0/6Y3foGaDjbgEsb5wzfO
gHDXb6dC6izbbQ1CwBVSIuZX2grm83qsk9xBOvMZKuXYhKNq8YfiG6MQcQwJygE6
B72vl7Diw1xJzESv++C6+eHP6cZyGocP1wcsrqpsw2FHGvkQojMl4jN7HzH5givZ
82j0M1QupPNs/vwgIEIaYPYF4TXcBESJf61hUUpo+MITznWUFLhbYfEsBMlUrtiH
wmG+oW81EbbvyXygcYS/AfePh78MNXan4Hu1smyFVomvdZMM2u+2s1VcqnvkE/m1
1vT0b1YdcUxiCsVuH0+lEBKaxQLvzzAYRQC2HvQQIM/2qmaiFwOGZCYKlxHRt7lM
00gD2HmqDxj8uM1wVhuppWjT1NIigy1qJuxbft3kxFAVvKAjpaByJf6YgbrdCqo6
e1WOUVnppuKl/31Jos5kJRzIIsxL9NStyssXcC7rCF147DI/BvNUxQlFznWS3/vW
E67UycKppO1+/JTYG+0Uh3iDnKd10oajnpiAV84ny3fmAr3TLIky8SloXjOO6z4e
feUNcc9DsmPod7uP7RVFENkLeyis9BRj3lDrtRwrYBmWKSc6/HV2otmPrqJzeGDQ
3McJFhXg3O87NOwyKosPsm0CAwEAAQ==
-----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 341332830828675789261967398772148771724136
 . . . . . . . . [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 2018-02-08 01:08:12 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2018-05-09 01:08:12 +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 '1fk.in'
 . . . . . . . . [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 681500569823643976115875451693795439319694152767745119227120893194601861829833808573071747621164934248601030476519347048714839616757784062819538920915888505403040291543116458206324616028895524761244217543432380553741578054069023737343630158624458711447769154771399758439777120321804671493888983214945896101070393677962257216078249177599547585806619818190244565662466459855201222278604718665373726113536129621751387911940885188058702119031147577729694446615261655600316813897026025473626704561770141243440408225138875464222842130206514372159988091529483725658420338958518396245973013914282672406984429867307897058020864061211578797184493532818055525925954580291175682797048295069425758560962103731552133887225859534664262717193009378658730279075560429062143132701906841154574278271782759242369660938113580339592264258556888231554376606006999968720260616921943568045312390009050196120293833605976255278720933680734885405298128028859950435153942990561262193475132547946130959173681139292298891152272221374961880083289089641109833832530548387614174689821012681024319308152592178428141951139893016637017141160746132118636466982209886802415305281091082889849703138752367436794612136932025081895797020300986002056430532527536444656388649581
 . . . . . . . . . . . . . . . . . . . . [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)
							ffd3b5b223c788443ef750eb80d3717582c7e2b6
 . . . . . . . . . . . . . . . . [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 (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '1fk.in'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.1fk.in'
 . . . . . . . . . . . . . . . . [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 (246 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 1.3.6.1.5.5.7.2.2 (unotice)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:12|false] UTF8String 'This Certificate may only be relied upon by Relying Parties and only in accordance with the Certificate Policy found at https://letsencrypt.org/repository/'
 . . . . [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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