28912.com

Issued by R3

About this certificate

This digital certificate with serial number 03:2c:1a:2b:31:99:6c:0b:d4:76:21:f1:b6:ee:3c:92:01:fc 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=28912.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:2c:1a:2b:31:99:6c:0b:d4:76:21:f1:b6:ee:3c:92:01:fc
Serial Number (int): 276344066142450775268723578589345454621180
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: f0:37:1c:08:f5:f1:53:cd:29:8d:53:c8:db:81:7c:ef:c7:0f:a1:c2
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): c7:07:10:02:95:6c:ff:f1:74:b5:bc:bc:37:2f:75:3d:60:91:40:78
Fingerprint (sha256): 3a:91:e3:e7:5f:c7:f3:52:db:f3:45:77:57:5e:2a:81:4e:c7:1d:97:97:66:4a:8b:60:b9:01:66:c1:96:85:e3

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

Revocation information

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

Check the revocation status for certificate 28912.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for 28912.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

28912.com

Other certificates including the domain name 28912.com

(limited to 100 certificates)
m.28912.com
28912.com
www.28912.com
28912.com
28912.com
28912.com
28912.com
99372.com
www.28912.com
www.28912.com
28912.com
www.28912.com
28912.com
www.28912.com
www.89912.com
www.28912.com
www.pastalunga.com
28912.com
www.53852.com

Certificate

The complete raw certificate details for 28912.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 276344066142450775268723578589345454621180
 . . . . . . . . [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 2023-12-28 20:20:48 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-03-27 20:20:47 +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 '28912.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 675846673947773570800351744957104394935841305192760731802855542272773002366068767449122040431611895657354353227835025593731744194791735187072091110361770657378031168548946562107698104207229532316106785816923316435590783145708427401963692037468894234336716520486454453719149919958000511338817418552750943993778019220414148886048114365148294788947067507274269895241897650165292526724274176201891540014320977130202122057578201835179235994804632266431754040978148483021274964023442103837138264933540267803508628936289571490442705032003460516149231088501986159471182436168751225993083032197779323066827816366409376451785453090342136888362061854922526532124152214126127859249718509152569304109137025113229186354165108936696702837571644648782243406014093906937744744048534812004577919660051617599646718281785412260418108161200559162532280544404130651705545553255088676773727114350569917624299876852102094534521898486414450757586670603682092737022148538598851987840094021308688477953781351237465903604454450206445480679796669400211762498377179334469255423578262200559875819217560058496418025461600264742007052210412493449977798714515616714634247403064981036416993125842266882236413444509609665543639737556904939732665000921266936537212334223
 . . . . . . . . . . . . . . . . . . . . [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)
							f0371c08f5f153cd298d53c8db817cefc70fa1c2
 . . . . . . . . . . . . . . . . [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 (13 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '28912.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)
							00f000760048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018cb24d229b000004030047304502201fc223a998b5290aa32e770d7584a2ca7a794367651b31219c154d80636e51d6022100e1b2f1abf2ea2ce301aea574ff0964cb04e0fe494ed03f9aafbaff9a324c03a600760076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018cb24d22f00000040300473045022022a8069ff4bd2d91c238a0a4e0d1ac7099d04fd2b3d2c5c56f645f93e5cfaa87022100f07a316b75e399f3a877eb6fff0fd5e3b18ed4602109c9af521f026f9d972a0f
 . . . . [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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