flnerds.com

Issued by R3

About this certificate

This digital certificate with serial number 04:41:53:3e:17:c5:c0:49:90:30:68:5c:cb:55:c6:dc:d0:92 was issued on by Let's Encrypt.

With 2 subject alternative names this certificate can be used to secure multiple fqdn's. This certificate is currently not expired, we haven't checked the revocation status of this certificate but you can do this simply on revocationcheck.com. 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=flnerds.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate will expire on

Certificate Details

Serial Number (hex): 04:41:53:3e:17:c5:c0:49:90:30:68:5c:cb:55:c6:dc:d0:92
Serial Number (int): 370678145905120242842061694105625151983762
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: be:46:b4:ac:b7:c4:50:12:15:e5:1a:1e:c8:a9:27:04:09:d6:2a:77
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 1f:57:82:e1:ec:9b:47:85:6e:36:c6:aa:dc:85:9f:0d:9b:96:80:df
Fingerprint (sha256): c0:5d:c6:66:54:22:a2:f8:e0:8e:df:87:c6:32:ef:77:66:3a:69:0f:4d:a3:70:89:dc:ae:40:49:cc:90:90:16

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

Revocation information

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

Check the revocation status for certificate flnerds.com

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for flnerds.com

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

*.flnerds.com
flnerds.com

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Certificate

The complete raw certificate details for flnerds.com in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvkQp4a24/XH/22NEv27d
Pk+IdUkR5zov+59i8YfptdZkl/Is2UJGSasUn0hSp4wBuVVLWhXiuLCQ9U7cLsDH
9Hx1sBuj3dNIOs1vkNbA6c4gWQ7Rn5Gz332s/DeU9X8mZ5bYAwEZnHMOwkMy6A0L
wU4yEfjZ6KtFYZaVva/vqbBBm8tcr1EQef9j8cPOLUhvB9W+1RPZh1epJTwZyOiC
qNjqQ2oJpkDXcUNkKW7xLopvQLrzAogE6vC4TV9CnX8n5jgNscHd+5q3cwGzypID
zVrGkpONSxksHmNl4YKYO4K/RHgnOj2F2fhd9afdurAply6nVdy9mYiSr0qWwxhI
BQIDAQAB
-----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 370678145905120242842061694105625151983762
 . . . . . . . . [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 2024-05-14 11:35:37 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-08-12 11:35:36 +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 'flnerds.com'
 . . . . . . . . [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 24018890667391776541512543109307965968156236628611521708027541634667145174630746225454890537225174348560368079536464373198187894112215613002803312452185830177177698608850199446845567359724477794455492040571787410440877830251876809725639780966328838454220001862313845547789358011421958149057561393756026344180235924512613169961746330910651644935100683128917811807412040298399800614623367129807580444193292487384349813017948597345255644102832657922138314762514736336445169960034790676633545923666270081636517877292361195927691650733161137145193988196403754051998061846177837776754699416896154372525062414547259057784837
 . . . . . . . . . . . . . . . . . . . . [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)
							be46b4acb7c4501215e51a1ec8a9270409d62a77
 . . . . . . . . . . . . . . . . [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 (30 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.flnerds.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'flnerds.com'
 . . . . . . . . . . . . . . . . [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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f10076003f174b4fd7224758941d651c84be0d12ed90377f1f856aebc1bf2885ecf8646e0000018f7719e8930000040300473045022100971640aa5ae63e6d345fa2f2e46f8f837ac954de668c34609435df9705b5283e02203ee1b24289bb13302b96bb4a288ed0efa665a67b67953331289cd6ae72a2761f00770076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018f7719e8c10000040300483046022100d093a8c5b54e65f7681807ae46c3559dcc85fd1a058134854237598d98e27c64022100a0898cc4f0594331414bbb3b28744ef12efdd49593fcffa05a49ad778c75b1f5
 . . . . [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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