duff.tv

Issued by R3

About this certificate

This digital certificate with serial number 03:d8:bb:75:a7:8c:6e:74:fe:ef:f0:b5:67:47:c4:b5:7d:95 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=duff.tv

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:d8:bb:75:a7:8c:6e:74:fe:ef:f0:b5:67:47:c4:b5:7d:95
Serial Number (int): 335087025582436207243234758383638267919765
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: d5:0e:90:52:8a:72:8f:1a:4a:5f:d2:38:93:f7:27:89:33:a1:84:aa
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): c7:27:f8:76:33:a9:4f:64:3f:04:1f:32:fb:54:58:b0:44:69:64:4d
Fingerprint (sha256): 40:fa:9e:18:06:5f:33:4d:2c:6c:cb:85:7d:29:91:dc:28:4e:99:d7:55:c4:a1:04:9a:cb:fe:9a:3a:d2:61:ed

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

Revocation information

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

Check the revocation status for certificate duff.tv

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for duff.tv

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

duff.tv

Other certificates including the domain name duff.tv

(limited to 100 certificates)
www.duff.tv
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gallery.duff.tv
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duff.tv
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www.duff.tv
duff.tv
duff.tv
www.duff.tv
www.duff.tv
gallery.duff.tv
www.duff.tv
gallery.duff.tv
www.duff.tv
www.duff.tv
www.duff.tv
www.duff.tv
gallery.duff.tv
www.duff.tv
www.duff.tv
duff.tv
www.duff.tv
duff.tv
www.duff.tv
www.duff.tv
www.duff.tv
gallery.duff.tv
duff.tv
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www.duff.tv
www.duff.tv
duff.tv
www.duff.tv
gallery.duff.tv
www.duff.tv
gallery.duff.tv
www.duff.tv

Certificate

The complete raw certificate details for duff.tv in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAkiekGBIokHGpC/VX6hLW
hEY4x+ahqIcZ4TFujqd1vlIFVIZFu/anZl9hC9QYLmkZUwUEUSWzlBgxCryNplXK
amlpBFkryezR5CD8CN4+l4jxqIaLAPabamgRS1NyuSQUk3rXCnZaUACdMX5QHJph
aSxmlHw8oLKc2TLxepEQ7tPn08tCwAC75vW8k3S9faQyApdWBcPWm/UXHL5B+VC8
8paTFDRsGoVRTlCMk9YSoNdxLztsLlYARapd6gqjGR7C4I0mSs0BAvvOvKHF+3Lt
x+294pGPqw6vHD6cVDBsFVHgnRUbv9REswzt4ltYxDGjhxKzD+MNsFOUcpwEdnfP
pwIDAQAB
-----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 335087025582436207243234758383638267919765
 . . . . . . . . [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 2023-12-16 00:38:10 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-03-15 00:38:09 +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 'duff.tv'
 . . . . . . . . [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 18450340226897193442344479369158274263842569606581932624117798827992808176273249725923748799863197296131597510918372867608444692168564198417912336260120909503257071011737364388838115337985074204909762954044469121461740560723835346697800004726563217828570423216822109839539867146047942330779900700133011461710077376118182747467322300742477989800822967921145470621301869973690397920875998976716834764300646611388385153414896172035630672539504304375351058533189687103106015402997131711313632875923135663139757815059532429735832655035361472250988087355688861668414852178666339639483500564255541145011326675539190393327527
 . . . . . . . . . . . . . . . . . . . . [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)
							d50e90528a728f1a4a5fd23893f7278933a184aa
 . . . . . . . . . . . . . . . . [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 'duff.tv'
 . . . . . . . . . . . . . . . . [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 (243 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (240 bytes)
							00ee007500a2e2bfd61ede2f2f07a0d64e6d37a7dc6543b0c6b52ea2dab78af89a6df517d80000018c70461581000004030046304402203ccee4d99353d086f69efddef47699be450cc2e789690a7e84b1c82e0c8a0f9b02205f5b14ec9d81586b0e0c2dcaa34f583b9533756b6037029e5a1fc9492cf6ad0700750076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018c704616040000040300463044022033d9c0ebf3df0b0de461635a8b5dec5b15694cabd565c6a3321a4d52d514165702206283f27e9303e5d7c5adbc403d62a44a466095d3195c14d4cdb83fee3b4e42e3
 . . . . [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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