28921.com

Issued by R11

About this certificate

This digital certificate with serial number 03:cf:e8:76:3b:66:e8:f0:6b:ed:86:61:79:4f:e3:f8:c5:50 was issued on by Let's Encrypt.

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=28921.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate will expire on

Certificate Details

Serial Number (hex): 03:cf:e8:76:3b:66:e8:f0:6b:ed:86:61:79:4f:e3:f8:c5:50
Serial Number (int): 332084302538781939835017644263480340563280
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 80:f4:b7:9a:f0:e6:57:4c:d7:44:35:df:5a:c9:6f:be:bc:58:6c:6c
AuthorityKeyId: c5:cf:46:a4:ea:f4:c3:c0:7a:6c:95:c4:2d:b0:5e:92:2f:26:e3:b9

Fingerprint (sha1): df:9d:66:c3:dc:8d:e1:1e:39:b2:7f:27:4b:fb:6b:70:5d:ec:ce:dd
Fingerprint (sha256): 0b:6e:cd:80:a0:df:67:85:7a:3c:db:81:ee:c6:d3:6b:d6:76:51:c1:78:ca:2b:8d:c0:1e:6d:15:9a:e5:a1:4a

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

Revocation information

OCSP Server: http://r11.o.lencr.org

Check the revocation status for certificate 28921.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for 28921.com

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

28921.com

Other certificates including the domain name 28921.com

(limited to 100 certificates)
www.28921.com
28921.com
28921.com
28921.com
82951.com
www.28921.com
28921.com
28921.com
28921.com
www.28921.com
www.28921.com
esportscologne.com
www.82351.com
www.28921.com
28921.com
28921.com
28921.com
31871.com
www.28921.com

Certificate

The complete raw certificate details for 28921.com 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 332084302538781939835017644263480340563280
 . . . . . . . . [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 'R11'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-06-15 18:41:36 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-09-13 18:41:35 +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 '28921.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 (4208 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 893413561481359075185729648967564997990570336333904076478287361948521677725246197679481242861744009721058931067951053537228191653769960965065892828018111789859449293596578154011243629578847168771450896912143571380852955212298473010929787023663742200281448934493269671525646255707798529179432368932108423309477453995110737308712871703256647735900059056871297974738297911113538022257897004696867020480713791356691595764389304351199877932079880020743420485071455091235935036749584235690095743745914292042535581504365625811383928794925693843009447514705660349825100910831739560385400907853771666756458474720388199542561303704463474427643670832360257685757995456831957490602333433952349214145639962867030264684351587693401984114383211812886550908874272917399363697823703866258066137395365763184337447978269866012105787314430144856669229369680634362895845745925808110334834310724303782121460257554146456223185940306533403974740235454498336617157074095189047419744038584519938116041385693067910584872990082175121989145941756794736506249412029900010187211597565952975676048268472490120751463491862399659701644977369772178389870013062060654187175979034680914940317164779831858859827198488330052785111307762641703704658235237674785319096499227
 . . . . . . . . . . . . . . . . . . . . [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)
							80f4b79af0e6574cd74435df5ac96fbebc586c6c
 . . . . . . . . . . . . . . . . [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 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 (authorityInfoAccess)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (75 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://r11.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://r11.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 (13 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '28921.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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f000770076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a74000001901d6b67120000040300483046022100c4dfed65be3a7097d4a8ba3625513d2b446dd57d1053ed845b2808a6c26e21d2022100aa09395da2e6fc331d033043cd9f6125c7afff3f6d3ac10d04361b8bdb6d58f60075001998107109f0d6522e3080d29e3f64bb836e28ccf90f528eeedfce4a3f16b4ca000001901d6b674b000004030046304402203f00cb86f3d85cd37d8bd3805141680309d5ec5382c175b96fa27bcc736deb6302206d801f7ebb7cd6cd8e183254d868488e9720a2d4782d6ce42c70857b05dbb110
 . . . . [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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