ruff.ly

Issued by R3

About this certificate

This digital certificate with serial number 04:d5:51:fd:ca:69:19:91:bd:14:f8:0d:a4:30:0e:52:94:ac 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=ruff.ly

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:d5:51:fd:ca:69:19:91:bd:14:f8:0d:a4:30:0e:52:94:ac
Serial Number (int): 421038273105338277115328249080026150114476
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 6c:d9:15:1d:98:31:c5:d9:02:54:11:e7:ea:4c:fd:1d:d0:23:86:21
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 67:8a:c1:07:e1:d0:aa:32:b3:e0:3f:f4:dc:80:54:db:31:82:f7:f0
Fingerprint (sha256): 7e:1e:10:d5:8a:69:bf:03:ee:bc:2c:4f:80:1d:04:de:37:35:cb:c2:84:16:88:2f:59:52:02:6c:dc:60:36:d6

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

Revocation information

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

Check the revocation status for certificate ruff.ly

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for ruff.ly

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

ruff.ly

Other certificates including the domain name ruff.ly

(limited to 100 certificates)
ruff.ly
ruff.ly
ruff.ly
ruff.ly
ruff.ly
ruff.ly
ruff.ly
ruff.ly
ruff.ly
ruff.ly
ruff.ly
ruff.ly
ruff.ly
ruff.ly
ruff.ly
ruff.ly
ruff.ly
ruff.ly
ruff.ly
ruff.ly

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA5JHee0Pa3LhYxHCWFhmG
V41dDt59u3nAYkV26ci3AZGqEDkp3FTRQ7V7mqVgpNP4UWMSTidUyvSWczLuKnvQ
8YTNofw6eQVt1nhFULte7tuWRIZbomChSKtV9LkfTXd5sUiU0ISA+qy6/wFm7LpA
4kTJjqOG1QM27g7qVo5S6SHNGKUDOyrrNPa4WgEV1eB7xICnl/1GHXm8DljzS6eI
AWDw5RrahvjISTd36yQPiqjwr/QXtwYsJvZYS61tSkNDZBkxLpbpefvM7G4fgYIn
nPP1lqk+c2Uchxkeo52elxl03d7cyEfaj22mpg3u7y8N+ilOO5IjNuwZ0XGy0SSm
jQIDAQAB
-----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 421038273105338277115328249080026150114476
 . . . . . . . . [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 2023-11-30 08:51:19 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-02-28 08:51:18 +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 'ruff.ly'
 . . . . . . . . [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 28854264250771929235332730682522947973044289652960500061941401901691671191636600987820943605432695334299378976679721017412626571160070140768521014311094718929139934904118007345486499711122378901480343553276058978819365303178494573004474146297640589617089833377397331190491676119816943588766815972161451472420426466048967105162757503453683486215087645415102334797433636549090909226212452698369515967872753254155353736766445398500377862879255102885701350393901890149920996739165070481637267054378977170462100567607047416966116651844373267852378611024864891352510912217102288805971027973070697617922895493396138977175181
 . . . . . . . . . . . . . . . . . . . . [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)
							6cd9151d9831c5d9025411e7ea4cfd1dd0238621
 . . . . . . . . . . . . . . . . [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 (11 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'ruff.ly'
 . . . . . . . . . . . . . . . . [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)
							00ef00750048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018c1fa3d2fd000004030046304402205c641aa8799cca236958d6590c31e3ecdf03591aebf4062e0cbff7274d1dd62f02201cc0dfd09d3ed8e841336ea35c3b7285eb2dcff7152a8870144264ff0eb5a2900076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018c1fa3d307000004030047304502210084b49a345ca6dfca358a4f2c5016d7e8ebe409de7373b82d4b0ca17ee98e66bd02202276375715994504bc4e733f2b558fb5ef331f3171bd394459a9d346ed00da52
 . . . . [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)
		00153aa6b89bd99575bdc04ed0f9a4ba9123d762121bc6aacb63b42323f34c0322d4cea17210cfea5ae7aa53e50bc0088518e58198a1233b79d6bf2fdb658a0b3a0f5602bfdd52dd90fb5dd2e5bf231b4a68ec6141202aee9f220a787529de22f0489fe7539e0052e4333c333d79ea541bd5226675fd2f5c9620898fd3b697bfe028a8b599e077b15ee063b0265837b7272e05abd9c5f1e19f195391080fbe39f2d63508ea613efa4a3e0e4a4dd6d2df246d06177aa20ed27f86d76a01898d6d4b063d01aca6a35fd2f2af395442cacd5df28953ef3cc99f79a10128930e822ccf3d9516eee263eda83f0d45b6f9813e33ef24856fb6d1249a90f2a67a00eec8a7