1fk.in

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:ad:98:19:8a:a3:70:1c:65:01:7c:95:7b:68:b4:01:9f:52 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:ad:98:19:8a:a3:70:1c:65:01:7c:95:7b:68:b4:01:9f:52
Serial Number (int): 320407882547305277144172581649676874391378
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 6f:88:87:74:c7:9e:19:8d:7e:a1:fc:ea:0d:fa:c0:8e:33:df:bb:d5
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): ee:5c:9a:6a:0a:e0:bd:ef:60:e8:ad:da:eb:d4:4b:56:8c:90:86:de
Fingerprint (sha256): 93:53:70:27:21:99:8d:1f:8b:e1:d0:a3:6a:43:1f:2e:99:97:6f:7c:97:a8:eb:2b:00:fd:a9:e5:bc:e4:49:87

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-----
MIIF+zCCBOOgAwIBAgISA62YGYqjcBxlAXyVe2i0AZ9SMA0GCSqGSIb3DQEBCwUA
MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD
ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xNzEwMTEwMTA4MDlaFw0x
ODAxMDkwMTA4MDlaMBExDzANBgNVBAMTBjFmay5pbjCCAiIwDQYJKoZIhvcNAQEB
BQADggIPADCCAgoCggIBAKtt49q0/slRBoZOcvVRnVtS7pAlZhZRwRAbr7EhToic
/p4gm5IDUPvzX5Amex58eRH7Rw7oydHcUhNaks5amsRDb9qJCGZXoUXtWzdk132V
r9KOIZIVqq9yO/G/oAoyXWNn9JuYMGOHYkXKAbemnEe1DpL8Bk2txF0D5WLEQMyx
xCPtA+lQUGDKAkwd5m1ZY70JQnvxdykJpiJt4pWp0ccXYsWaW2/c/2C/53jalnJF
aus7b3/MQnEHIcjV1pl3wPlFK7lALkaJmJP8xMlm3SWtRZKRGXaoXiTRhm34UzYq
6DetwTUb45tDi1HrfX5kQR2NYNVRPn7bMnSm+bZNSnmziTbzwQireLZMamhhO1kS
Na6XNYEGxJxyhmO+sWl6qKzrh7QI3x0jsfduCgWq2l2ch1fd/Bmvhz17MgAF4ow+
YzS/FyAdaLDGqxrJqRLVphN1kLNL74JD34lpWxG3bQnMWavGx81jCigT3ECE9Udz
BTOi3hvctbKQfWp9QO8314XcXdUprON0qd3EgOZj43FC/xEpdX84hTa4JSp0/E1c
eXrLo3D+rsF66Bkdpu8NhTZ846ekFLv0+bZsAEBJgx6hkXXBu1O0IuVZBPtbiWJW
364vZcQMhsrzPW/4cG1pU9At8xEJoBVI/Qis2eSdR9B1ODUShTR2zmJMrwn6M/9N
AgMBAAGjggISMIICDjAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0lBBYwFAYIKwYBBQUH
AwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYEFG+Ih3THnhmNfqH8
6g36wI4z37vVMB8GA1UdIwQYMBaAFKhKamMEfd265tE5t6ZFZe/zqOyhMG8GCCsG
AQUFBwEBBGMwYTAuBggrBgEFBQcwAYYiaHR0cDovL29jc3AuaW50LXgzLmxldHNl
bmNyeXB0Lm9yZzAvBggrBgEFBQcwAoYjaHR0cDovL2NlcnQuaW50LXgzLmxldHNl
bmNyeXB0Lm9yZy8wHQYDVR0RBBYwFIIGMWZrLmluggp3d3cuMWZrLmluMIH+BgNV
HSAEgfYwgfMwCAYGZ4EMAQIBMIHmBgsrBgEEAYLfEwEBATCB1jAmBggrBgEFBQcC
ARYaaHR0cDovL2Nwcy5sZXRzZW5jcnlwdC5vcmcwgasGCCsGAQUFBwICMIGeDIGb
VGhpcyBDZXJ0aWZpY2F0ZSBtYXkgb25seSBiZSByZWxpZWQgdXBvbiBieSBSZWx5
aW5nIFBhcnRpZXMgYW5kIG9ubHkgaW4gYWNjb3JkYW5jZSB3aXRoIHRoZSBDZXJ0
aWZpY2F0ZSBQb2xpY3kgZm91bmQgYXQgaHR0cHM6Ly9sZXRzZW5jcnlwdC5vcmcv
cmVwb3NpdG9yeS8wDQYJKoZIhvcNAQELBQADggEBAGPxCY70wy/Ixs57M6WjmRJW
KG8GF6VFoBSUSbW4WRqeVBxCEf7de+KPrkA3bVw8dv2viGcOxD/u7T3t2rqHVmJR
CM9BRwPJJXZVtPNsuhNY1oZgQvRhxOCLS4xrV3JV+pM5tlx+mhUT1+/4TXqi5v7u
piMSdQOehN5zumEjYo5A1jVeoIncpwud31np7+wldGXamJhnRdxberSDz/hBun3H
rd4/9ZMxsW7rusF2eXGoRhu5oL+TucoUsNhZseHZtb9vMtXOzRLuHJ4TPblM5ozv
lfwyDCa7nh7L0mBIIyjEcd8QzGdMrYbZtzdGyYjkD5ulbh3zewLR0oMCetVb8jU=
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----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-----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 320407882547305277144172581649676874391378
 . . . . . . . . [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 2017-10-11 01:08:09 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2018-01-09 01:08:09 +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 699370355611550482331072401912474593884552325202032811431122530733182118370058847725490682227591804137350382220229560716097339744796032311671306196721029951388428921934413807012868769312896229065263894782799825387344405250107369975967959582590445705091392318465256992308520053480491769899376691397632838741925609001504881910409959428944545906313377223701530670420165037596710255627650497582210813477193669413000558506103474111876897056526156352607058504838899015354767574521824830007228495534230655723802051059187672901789929968036130630339133341307938295190403305274429327317238753471321305491675944416513389019058602015829393530324195045882238314254751593894882626965239990557346081528704627176140276291339937744759391012098611340317442632008369163587969250713506168339498237098898178436466409074137978789494545946843621155247771044024869705460702690861860243748057004071162651230274815414043132087067860242094068918736172824858066133269386713823851766504796165267146879763380002499187492548938362650362460380549009351735943463359021742014184345007605612284471798006588693201807659557104449141477218445997245964659626998438284439286375729821603285406183344741535926671479854180501258213480193049487843275189688270647957549437157197
 . . . . . . . . . . . . . . . . . . . . [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)
							6f888774c79e198d7ea1fcea0dfac08e33dfbbd5
 . . . . . . . . . . . . . . . . [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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