dn.world

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:48:f5:45:04:5c:7f:89:a5:be:f1:af:b5:61:22:e1:65:8d 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=dn.world

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:48:f5:45:04:5c:7f:89:a5:be:f1:af:b5:61:22:e1:65:8d
Serial Number (int): 286163207429496952968918836744229870462349
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 20:4e:bc:f1:83:fc:0c:b2:77:b0:a4:48:fc:7a:29:05:4e:b6:51:cb
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): a2:16:51:b0:67:4f:45:bd:67:49:bc:77:8d:09:05:6c:3a:44:14:90
Fingerprint (sha256): c5:d8:41:91:ce:3d:7f:9a:d3:a2:5f:25:e2:9d:6c:cd:2e:b0:fc:26:26:41:c3:17:fc:23:19:50:41:06:e1:67

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 dn.world

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for dn.world

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

9 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

dn.world
www.dn.world

Other certificates including the domain name dn.world

(limited to 100 certificates)

Certificate

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

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIGVTCCBT2gAwIBAgISA0j1RQRcf4mlvvGvtWEi4WWNMA0GCSqGSIb3DQEBCwUA
MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD
ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0yMDAyMTEyMzUxMzJaFw0y
MDA1MTEyMzUxMzJaMBMxETAPBgNVBAMTCGRuLndvcmxkMIICIjANBgkqhkiG9w0B
AQEFAAOCAg8AMIICCgKCAgEAuJkP/v90aglCeRqQRyUXs06sWu8r85E2mIxGO/cn
bWEaCBYdnHD6UsIP0G6uD5KnoD9k6yKu8shrsiHV0Pk0bH1awSj2v7meZe1BxZsO
FbAOan5updo/6vI/hd7luo1EXZKbdiXtTvO6Pqyl7rgNcuHoKgmF2FsSERIwys/Q
Er1v28vXxt4VaumsSvcgAOY6EzWFsJlgFtYVZtUjnkzauWMyMXsEHGjPdZjpAUtq
yXcEyoRVDUR41lYhyrJmcDnsrgWLxmv3J5htqa14Dwvmhu+rZWYLZmYPqo1ZN4Ly
bPTuQ+t/ZBE6NybU+bifF1MpaJae8K4vGXH4NriCt7I1Rrwoxoy9S5OOfz1z4AVh
4u57FmeLGYbDiYqMp7zU8Ff+6+l0lTUZYicfO8PJsm0ItEBXdpKl9ZJ++g1VQCnu
WIEkNqxX/cr1l7vzcJLLVryM9BOgpM5M50AvRLgpQx5WJ+M2v8CoBTEkHvV0v+Y4
gIZBf1hpQPzjBVYl7xaXoyv0+uWlZFHQy+JCMpssPAQBAtBWKW4vIlIPRmMQIHIT
cU8AM+xBuk/pf2cMMgmmqf7tMG/s2t44+QHv7Grt7OVMR/hTCjwyotBwCPoZkFED
bZy4RKZA2L/KbmaWP1hqsRqz83/FavIHgS++P6A4uaw95RtLRsFUFK3QrQepOagO
6M8CAwEAAaOCAmowggJmMA4GA1UdDwEB/wQEAwIFoDAdBgNVHSUEFjAUBggrBgEF
BQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQUIE688YP8DLJ3
sKRI/HopBU62UcswHwYDVR0jBBgwFoAUqEpqYwR93brm0Tm3pkVl7/Oo7KEwbwYI
KwYBBQUHAQEEYzBhMC4GCCsGAQUFBzABhiJodHRwOi8vb2NzcC5pbnQteDMubGV0
c2VuY3J5cHQub3JnMC8GCCsGAQUFBzAChiNodHRwOi8vY2VydC5pbnQteDMubGV0
c2VuY3J5cHQub3JnLzAhBgNVHREEGjAYgghkbi53b3JsZIIMd3d3LmRuLndvcmxk
MEwGA1UdIARFMEMwCAYGZ4EMAQIBMDcGCysGAQQBgt8TAQEBMCgwJgYIKwYBBQUH
AgEWGmh0dHA6Ly9jcHMubGV0c2VuY3J5cHQub3JnMIIBAwYKKwYBBAHWeQIEAgSB
9ASB8QDvAHUAB7dcG+V9aP/xsMYdIxXHuuZXfFeUt2ruvGE6GmnTohwAAAFwNuEw
GAAABAMARjBEAiBAY90GfnOfWvDPfqixJPjVrYeUf2T2dQtsLO9ORv0AdwIgSLnC
PHV9Dtuq/1jwYbu5cJLCENRVeVycO6Xe6oXVsdcAdgBvU3asMfAxGdiZAKRRFf93
FRwR2QLBACkGjbIImjfZEwAAAXA24TCYAAAEAwBHMEUCIQC3KcqJ3/2mBfxoNL51
nDw8/hXcPO7jQQvLW+/T7RJU1gIgOHcEPVgrxdwK6oU4ceiACSvrIRM/+ljofamq
0IZ+PzcwDQYJKoZIhvcNAQELBQADggEBAElNscgePDCQx9yO4WsMH+FAFjOzvv29
InVMoF+IaPUxv1HES02/pfcp5v36gdXpi+y3riPsww/BfwVt2EXyPVRkkVZj8Y+t
09bPT8M4ZW2htraeoAKF2xwkRqxQdJPkW/rXjy/vmyd0AuJngX1UVCD0n9inQPt5
mUNg+b5P0Q5JNg005IJEtSTcNbTEGoqNVRjJAiDkYXfrjcpb0Lwx/QvjdaEe24R8
7W8j1O3C76S/CBBb9eB/o/yLmSH/ZNSIw9Cbi1DzkBvpNew+7eh2NnxAw0nelqQv
sHIjOjs5AQKqS8jfgSu3GyxYC1Amubs9pI5NgOKJlB7NVa1qeBbus6A=
-----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 286163207429496952968918836744229870462349
 . . . . . . . . [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 2020-02-11 23:51:32 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-05-11 23:51:32 +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 'dn.world'
 . . . . . . . . [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 753093729053899905506315950124773508547460097060896931473035780244717754480185411271502538712524433464085922088412466039655989672368486744876966206918717517306523435677277533289831565738017072556198927657466057317886748774181368497656623017195503459947696088020899496849161656154530971239004102864040850203985586627390771173435148273565056282269934675513261592329027482239463305419128381654310777873537954625799966736304223573810944724572171321165848683331255613912598940056807023599914548500873004698208092314110787719317183015261010201237633103562728760072245409319125835090458700432102403648478121709315325610327286532245980685895507260183584753725340662480417711687395319624029346823702594567004957027543276032618690808783228018219275332359039645448780181719074217784032473912003081546454386676803204703931601405143119486132482113322903872467971447821939360546940278734962151410104014839945121137727100369748395450468935897868077124984736309650343355977008434718613376795465170799903325045204951426014594175835559412666436067206962906103364250645307318424566124072729509278980582103298526044961266499994913420147497854425030324677120491714782938245072564201211980463228678886641661731800289485574498467617551120010931758091397327
 . . . . . . . . . . . . . . . . . . . . [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)
							204ebcf183fc0cb277b0a448fc7a29054eb651cb
 . . . . . . . . . . . . . . . . [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 (26 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'dn.world'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.dn.world'
 . . . . . . . . . . . . . . . . [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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef00750007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000017036e13018000004030046304402204063dd067e739f5af0cf7ea8b124f8d5ad87947f64f6750b6c2cef4e46fd0077022048b9c23c757d0edbaaff58f061bbb97092c210d455795c9c3ba5deea85d5b1d70076006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000017036e130980000040300473045022100b729ca89dffda605fc6834be759c3c3cfe15dc3ceee3410bcb5befd3ed1254d602203877043d582bc5dc0aea853871e880092beb21133ffa58e87da9aad0867e3f37
 . . . . [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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