lemming.info

Issued by R3

About this certificate

This digital certificate with serial number 04:15:a2:e7:65:6e:0f:c5:a9:ff:d4:8c:ef:55:27:d4:05:68 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:
  • 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=lemming.info

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:15:a2:e7:65:6e:0f:c5:a9:ff:d4:8c:ef:55:27:d4:05:68
Serial Number (int): 355811609845515521317539817489903526348136
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 58:96:14:c5:32:97:8a:64:d8:85:e0:04:24:cf:86:fd:1c:ff:36:5e
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): bc:19:25:79:2b:80:17:18:67:32:3a:8b:8e:1d:35:6d:88:5e:ad:17
Fingerprint (sha256): e9:71:47:1c:9a:53:0a:6d:15:22:62:11:65:65:d9:97:87:c4:24:ce:70:46:90:1a:4c:0f:cc:c6:08:8e:8f:71

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

Revocation information

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

Check the revocation status for certificate lemming.info

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for lemming.info

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

lemming.info
www.lemming.info

Other certificates including the domain name lemming.info

(limited to 100 certificates)
www.lemming.info
lemming.info
lemming.info

Certificate

The complete raw certificate details for lemming.info 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 355811609845515521317539817489903526348136
 . . . . . . . . [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 2023-10-27 13:09:03 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-01-25 13:09:02 +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 'lemming.info'
 . . . . . . . . [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 810015471908406941033203751269253101394589105679834652957233074564970176291226135747468554956479985770369503918420524458643102969034781229034551527694697822999204124192877635731392867806971499419557208322377610756528968972354446060490583367133052554452556685754722943465115257874670163732098476075868610612712741673768193840511583460860066898644650144725795663308496957540256533636332755580091368912339796501235185321952816535081680358121507937323150959415762021511766397767885991485851577720625400421082654238082263847120615386891645971077701926264234736353081166218783182281570089114967634597958304875764972599962215149250288176685917075814922789133370739530218949736238201003032378176327694798613067557588116515165276464777116066359816387570766803197767120674281117626499041716657891933334524338853090341545353148763820633344175198137373903714383950277178024598668161573250103888462974711349323763121788929555306798634790037808457152057281191958984877095317490319681966181015027339572123984388947747991092550987709746938921830256296378433461635372185231248567340150775449296266421471350909912617763731495066912802724357392447585143122037019321388517389892901011553592691928431450057436606584897336168957338671806449074878947384271
 . . . . . . . . . . . . . . . . . . . . [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)
							589614c532978a64d885e00424cf86fd1cff365e
 . . . . . . . . . . . . . . . . [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 (34 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'lemming.info'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.lemming.info'
 . . . . . . . . . . . . . . . . [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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007600dab6bf6b3fb5b6229f9bc2bb5c6be87091716cbb51848534bda43d3048d7fbab0000018b717794c7000004030047304502210091c19d4db7e0a12e3c8b440aca2fc3ecb1adf34a9889935899a4aa7bcef195ec0220547870b1b8f9f486919e5ed545865ba1391c64aeefcfab0723306513b03101a30076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018b717794d0000004030047304502207f4cebe8a5674248ec356dabcb061452037f6909fe3e7f2412689b7fb3f3ae0e022100ab8a4d7a6d90a10543ebc530bfb086879625c9c183d61c2b4bc16f4eb7eeac12
 . . . . [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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