m.28912.com

Issued by R3

About this certificate

This digital certificate with serial number 04:9c:3b:60:0c:83:c0:b5:8d:80:53:9f:3b:9e:8c:5e:0d:6f 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=m.28912.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:9c:3b:60:0c:83:c0:b5:8d:80:53:9f:3b:9e:8c:5e:0d:6f
Serial Number (int): 401612116132784561405604305053321076280687
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 5d:5d:2d:37:ef:eb:4c:7e:e6:4f:95:7c:fe:2e:5a:2e:7a:77:6e:31
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): cb:a7:f1:e6:03:6d:86:ca:50:1a:cf:7b:3f:48:70:c5:11:da:ef:aa
Fingerprint (sha256): 2f:a9:be:25:23:8b:d3:2c:82:2b:b4:d5:d0:00:9a:b1:c0:c3:cb:29:07:53:9f:d5:2f:1d:4f:7a:4b:c9:b4:9a

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

Revocation information

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

Check the revocation status for certificate m.28912.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for m.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

m.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 m.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 401612116132784561405604305053321076280687
 . . . . . . . . [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 2023-12-04 08:34:14 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-03-03 08:34:13 +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 'm.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 891534435440766247311367406996329248588725157872261837591736625837001652955928187788761328523771341836678773779352010256387008168192931795775815625073175610169675480084911016268524342994616056307524034102198296571698882203286062129857805975748238432734303309568738243259665649752763881304473228104519037542697790018484905822107006247688244169523664138133662358859023313517944460986618856572281527940067005487803944937702308313097668591316258833628948387776811346217394333751195195219544808297428361826578903683045469416972770073359783687438142500619052019286783886056024755684682973075925140064958363516068889569461127895380269892503356849821951410861187807338416291285565269902564496618148132276849386086640840033904402365742858617000880234101114198109221922118730865350456302702152135344498372815304592970358908434575604182428596346333007300972117196309332624480057845096138211146097638797830308647098866114309652325507862512402878512353612721639527365891645648449995607298328799395805889207780779087841530382497730605358371686867241882913812728011537316216176917396731455978881019533666355723262563654533441249397503706374299774552580601240510039387033500895639870517794611060634320643912562416553118109282111564346293729783910539
 . . . . . . . . . . . . . . . . . . . . [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)
							5d5d2d37efeb4c7ee64f957cfe2e5a2e7a776e31
 . . . . . . . . . . . . . . . . [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 (15 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'm.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 1.3.6.1.4.1.11129.2.4.3 (CT Precertificate Poison)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (2 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:5|false] NULL 
 . . . . [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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