download.research.icann.org

Issued by R3

About this certificate

This digital certificate with serial number 04:18:75:5f:0c:9e:ed:e9:e2:6e:a8:cf:dd:c2:af:cc:8f:3a was issued on by Let's Encrypt.

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:
  • DV certificate contains a subject common name, this is not recommended. If certificate policy 2.23.140.1.2.1 (CA/B BR domain validated) is included, only country and/or common name is allowed in SubjectDN. (BRs: 7.1.2.7.2)
  • Subscriber certificates use of Subject Key Identifier is NOT RECOMMENDED (BRs v2: 7.1.2.7.6)
  • Subscriber Certificate: commonName is NOT RECOMMENDED. (BRs: 7.1.2.7.1)

Certificate Subject

CN=download.research.icann.org

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:18:75:5f:0c:9e:ed:e9:e2:6e:a8:cf:dd:c2:af:cc:8f:3a
Serial Number (int): 356771933732832501292784614990324263849786
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 1e:59:b0:d9:34:94:1c:93:f4:cc:39:63:33:63:a7:72:51:0d:5b:95
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 7b:b7:b1:33:a1:2a:f2:50:92:25:b3:d1:16:67:21:0b:1d:52:53:12
Fingerprint (sha256): 10:b2:5f:40:19:46:92:6f:38:ad:08:b8:84:a6:97:5e:57:69:e2:e8:8b:28:e4:f0:93:69:11:ea:c9:2d:df:2a

Issuing Certificate URL: http://r3.i.lencr.org/

Revocation information

OCSP Server: http://r3.o.lencr.org

Check the revocation status for certificate download.research.icann.org

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for download.research.icann.org

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

download.research.icann.org

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Certificate

The complete raw certificate details for download.research.icann.org in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----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-----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 356771933732832501292784614990324263849786
 . . . . . . . . [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 'R3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-10-08 19:41:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-01-06 19:40:59 +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 'download.research.icann.org'
 . . . . . . . . [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 733641523804290885920694290708228015937419850050059742843181305587415581085270653847322359769846239802353905359213063146208678512245088800257433486980347893860260136112255500242837844874628023414436509236667002555400561909189849677593797353982290677902659224823298327076615720773943496953349293831025500141444020008592304423609959533362681484473617625970942660254146512947098283357201035167222878267525432781135970284079723904718000529612162282031331070335821280562229437660466249553889328564677066534778116387745257220003117499561369056933484393183229407092780966202647576181319632151917341261569511210294530233073603650940810764169226141030822323061580909065000891226255349988171051988695694765410029891967704241187259025445734531370546067422947001044373577756198762923420953530375959065886267775401192977581872332546727653150635459756182780395399444859358124811736383341196081360894906624300855024674764758884059216279518150719763581542238797907459715505705836073224508793125380438549286678568192364630849345915152247080437976860851658985387562732762466785345304914490620390744720623461319205078869273396240048614746389860066779775226442747360636691774522747880063453881423889793181037858703141639105354747667030922376021878627873
 . . . . . . . . . . . . . . . . . . . . [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)
							1e59b0d934941c93f4cc39633363a772510d5b95
 . . . . . . . . . . . . . . . . [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 142eb317b75856cbae500940e61faf9d8b14c2c6
 . . . . . . . . . . . . . . . . [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 (73 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://r3.o.lencr.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://r3.i.lencr.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 (31 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'download.research.icann.org'
 . . . . . . . . . . . . . . . . [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 (12 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 1.3.6.1.4.1.11129.2.4.3 (CT Precertificate Poison)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (2 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:5|false] NULL 
 . . . . [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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