28951.com

Issued by R3

About this certificate

This digital certificate with serial number 03:23:52:25:f2:bc:bb:39:3b:ee:f8:90:11:19:15:9e:18:9c 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=28951.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:23:52:25:f2:bc:bb:39:3b:ee:f8:90:11:19:15:9e:18:9c
Serial Number (int): 273355934371447676576312283612922037278876
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 70:4f:ed:96:b2:c0:f1:da:de:e2:a4:0e:3e:dd:74:ad:b7:53:fd:01
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 71:e9:c2:7e:ed:b6:be:8c:dd:2e:09:00:86:dc:40:ec:c5:0e:cd:b4
Fingerprint (sha256): 20:26:ee:92:c6:7d:72:7d:ba:16:00:39:7f:a0:4b:cb:e7:ac:74:8b:76:58:03:da:a0:b9:79:0b:bf:6c:54:35

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

Revocation information

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

Check the revocation status for certificate 28951.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for 28951.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

28951.com

Other certificates including the domain name 28951.com

(limited to 100 certificates)
28951.com
www.28951.com
www.28951.com
28951.com
28951.com
www.28951.com
31981.com
28951.com
www.28911.com
www.28951.com
28951.com
28951.com
www.28951.com
28951.com
www.28951.com
www.associazionemedici.com
28951.com
m.28951.com
www.28951.com

Certificate

The complete raw certificate details for 28951.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 273355934371447676576312283612922037278876
 . . . . . . . . [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 2024-01-14 22:15:34 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-04-13 22:15:33 +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 '28951.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 698338578311740230432831512697055206103273766574445753905352556644195867232626893982518488709942896201317109257119681367889131906507162180137663832586047453339830577069303934586798009184654054575130702186789177894744119110198560455015911074645133720861301266559248086071193543786326383736037715691449986031455394073857641968157994381073299592791907935379579041195071831819455930673961324247709592094910073841450276505989292150137096709544415730324786656194816359685999830925055565152620934011333747961893680312480995850333088518974144094608048620518623606702004754153655976979062757110319370579530706696127805686643138318362596984565206581555367301674160798195757220301504895791645784512528617274017996742209112263496691412071477619223233970972434313149458378098268405212669576162779123212877094937888510852557219968776518337193306386019071263240951145667158104371423731201999215331663298154591011820289847658850036947255899489225928260174098187060218947836245463506777970238858532301783129117093788749138852767482358455111689334747275689860260214644843668805876193325935467525690640390324069672513016944339697839786401717930481450352504358585840479314941446462099533504672505524880361018839411321108578505655647904468160701415910949
 . . . . . . . . . . . . . . . . . . . . [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)
							704fed96b2c0f1dadee2a40e3edd74adb753fd01
 . . . . . . . . . . . . . . . . [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 '28951.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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f10076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018d0a424f0f0000040300473045022054ec698ed840cb970af41f189bc101a58f862200b3599f3a7d0235219b3017b8022100ae61864d555bfec9d2344d3857c050828b9be4412a9e23fbf3689b3823e77742007700eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018d0a424f0a0000040300483046022100efb06c7fd940101c2dd5f547d7fe4564d61cee898bd922720b373b5d4206626d022100d08e33a20caf5dd98a63131b604f781fdc603374eb9af7e441188d97966202eb
 . . . . [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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