rfc-annotations.research.icann.org

Issued by R3

About this certificate

This digital certificate with serial number 03:c3:04:88:fd:df:b1:40:75:e8:83:fd:46:60:81:de:de:cd 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=rfc-annotations.research.icann.org

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:c3:04:88:fd:df:b1:40:75:e8:83:fd:46:60:81:de:de:cd
Serial Number (int): 327697947558392007454629274244198518677197
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: ce:c2:0e:d2:5d:fc:49:f9:f0:7f:2b:1b:6d:f1:b1:86:c4:2f:39:f9
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): e1:31:5f:09:44:a4:e2:df:3d:e6:29:97:b9:68:f2:e1:b2:15:39:05
Fingerprint (sha256): 09:34:21:f0:71:81:2a:f9:05:6e:65:d2:2b:db:05:be:35:4d:df:a6:1a:37:90:a2:7c:a5:3b:67:a2:62:95:a4

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

Revocation information

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

Check the revocation status for certificate rfc-annotations.research.icann.org

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for rfc-annotations.research.icann.org

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

rfc-annotations.research.icann.org

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Certificate

The complete raw certificate details for rfc-annotations.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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAjrVrRS3+y1VJqJcykJ1F
MEGsn1haU4dV+yDfhrLPypVAx2deLLxbAU9ZrsCPYx06lnI6TWhXMUVk8M8GOKND
tA4/v26YNmLgHuHDJluh4/Mqh8/9ajm5Ui06IE90ZKRCb9V/kljPB/lxvD0ZB3XE
dDA4E1hGOSeS0HAKsEj+JkAzpq1iFk/Fv4qGUyokHZBURDyWVO+mYOQDbcLDFKn4
2fSfKlgjMRbQulTdtyMrOMZIXXEjQAeBwJ+B7dlbv8da7PGDBSDX/936cZwZCjun
XdyyoHsYiJopOX6270STD8xOVVosm0z6GzW71Iuncexo3mad54SHab5o/8ezNcuz
rQIDAQAB
-----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 327697947558392007454629274244198518677197
 . . . . . . . . [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 2024-03-31 18:41:23 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-06-29 18:41:22 +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 'rfc-annotations.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 (2160 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 18015300360345499720421975312322615450418221158863623843864693670651505179416211875352009492234049388057620459362735534849214415804076929745043290937285032988348144171071336945408603886503481054511039412248990632284602637646891300860160114587779464537747196749149635790603037939043564233409452481250555718434510291139203763790414295245119833978854133446040662535421279505240722422304849287841233148179973763135307460727887714452936683133268312679912253745590537997476798149370113684547386403383077729715857006899654039521584615978269471097361927555207507350810150395844468663092178031368206938353173264569635437261741
 . . . . . . . . . . . . . . . . . . . . [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)
							cec20ed25dfc49f9f07f2b1b6df1b186c42f39f9
 . . . . . . . . . . . . . . . . [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 (38 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'rfc-annotations.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 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef00750048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018e9607e62e00000403004630440220008edfa194f0a4f29f2587654923da9413ccf903c58916404fd68dd1507567a90220198e737081e624bf257f2d76d9e29784f68f71f0963452b6c63360af91e0379f00760076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018e9607e6740000040300473045022065d747d93a9fe42d910891ea3b45f91c0a10caa58b50725bc6c8a614fe94fb35022100c7ffd80de7c1ccebcb835b8d930f30e2e20d33cd88e1009fd0960913309ebe4f
 . . . . [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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