DV SSL/TLS Certificate for rugger.info

Certificate is witin its validity period

Issued by Let's Encrypt (R11)

About the rugger.info DV SSL/TLS Certificate

This certificate with serial number 06:fd:cb:82:67:31:73:bd:61:b0:71:1c:d5:44:c9:4f:0f:ca for rugger.info was issued on by Let's Encrypt.

With 4 subject alternative names, this certificate can be used to secure multiple FQDNs. This DV SSL/TLS Certificate is currently within its validity period but we haven't checked the revocation status of this certificate, you can do this simply on revocationcheck.com. We have found some issues with the compliance of this certificate, they are be shown below. We hope this DV SSL/TLS Certificate review for rugger.info provides you with the detailed information you were looking for.


We have identified some issues with this certificate:
  • 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)

Let's Encrypt

Organization: Let's Encrypt
Country: US

This X.509 certificate will expire on

Certificate Details

Serial Number (hex): 06:fd:cb:82:67:31:73:bd:61:b0:71:1c:d5:44:c9:4f:0f:ca
Serial Number (int): 609035664796301047449523048968906456633290
Serial Number Length: 139 bits, 18 octets

Subject Key Identifier: bc:65:27:bc:70:b5:67:54:87:a8:44:9c:e6:95:7c:d0:a0:c1:8d:35
Authority Key Identifier: c5:cf:46:a4:ea:f4:c3:c0:7a:6c:95:c4:2d:b0:5e:92:2f:26:e3:b9

Fingerprint (SHA-1): 11:1c:ad:f1:4d:04:43:fd:09:fd:1e:a4:ec:9a:fc:7a:ab:ca:d0:dd
Fingerprint (SHA-256): 47:e0:20:f5:82:bc:50:6d:ad:2e:2c:c7:83:81:cb:99:83:1e:5e:67:c4:c2:ac:91:3d:06:b7:f5:23:54:c1:00

Issuing Certificate URL: http://r11.i.lencr.org/

Revocation Information

CRL Distribution Point: http://r11.c.lencr.org/75.crl

Check the revocation status for certificate rugger.info
4
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details of the X.509 certificate for rugger.info

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
10
CA Certificate
This is not a CA certificate

Subject Alternative Names

X.509 Certificate

The complete raw X.509 certificate details for rugger.info in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxbFEtcOl9TRirPaCaWqf
pjAt03Ip6QFU+M3fjyo1LEl0IDlZQAlZatpbS2MwdjKfUI5wZoCHyCnjeEIRCAy4
O9faT70orxRIl7hFIIhSPHJY+8U1yhAiV81RItdM+K9yK9N5k//WmDb4BkvMtlzd
FZq0A1e7beW7YKGSH4MZWMRtPrLIEcTOizg/rTKl0tBKEqRZQUsCxhGNZCCgl6kK
cgjiwZFC+i2pDNlSF20H+ssdzuQpRBR39rntl3sgTRu3etS992xYiP4idh8x2hvg
b+EkPD0L+2NDvqvo6Pa0C4SaCpcyiDJCUpNG8ftWSGEWinkY5RITTB15Fkyq3HMr
VwIDAQAB
-----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 609035664796301047449523048968906456633290
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11
 . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'R11'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-06-08 08:47:53 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-09-06 08:47:52 +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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'rugger.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
 . . . . . . . . . . . . . . . . [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 24956360383590839613527502578857389926327453082712000080608743810619479201808393333592886995640611682729642486271014426584272104968271057318084005407124139663831062255866819321645618466897840900195877511254330802899691729419507851043718653850984163645311265935783015559300263041052071665764781860181418885365886316394965406265886622831803562908253619124924354523658678680067390793722424074757964016341349570721361223770642645633166702775341432597666275471756780956952524214882684668962162459682376083789115861376833730296699204051214669636251746643864647911003752224788559623379511555700251117538062075364218105965399
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.2
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.19
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (20 bytes)
							bc6527bc70b5675487a8449ce6957cd0a0c18d35
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.35
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName c5cf46a4eaf4c3c07a6c95c42db05e922f26e3b9
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.1.1
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (39 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r11.i.lencr.org/'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.17
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (74 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'forum.rugger.info'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'rugger.info'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.forum.rugger.info'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.rugger.info'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.32
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.31
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (39 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r11.c.lencr.org/75.crl'
 . . . . . . . . . . . . . . . . [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)
							00f1007700a442c506496061548f0fd4ea9cfb7a2d26454d87a97f2fdf4559f6274f3a8454000001974eef1dda0000040300483046022100d66e97d65e99972586dd25d8d47daf29ee22900663431a890bc1758e7c8e6cd5022100b5134a394cfe941221eb7ca59d4307de1116c5778d8ef36ff2fdcaa9c7f1f40800760012f14e34bd53724c840619c38f3f7a13f8e7b56287889c6d300584ebe586263a000001974eef1de70000040300473045022100be76705419897b7a90b5de27e67bc850316e87564b4a038e50e21c5daca51a770220013fbb2fb7174c710bc976e7288fa7cfe57b895647d295c2d1334d61a237b81a
 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11
 . . . . . . . . [c:0|t:5|false] NULL []
 . . . . [c:0|t:3|false] BIT STRING (2048 bits)
		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