bazza.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:e0:09:28:bb:98:44:0b:39:38:12:67:13:9c:84:f6:3c:17 was issued on by Let's Encrypt.

With 2 subject alternative names this certificate can be used to secure multiple fqdn's. 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:
  • Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)

Certificate Subject

CN=bazza.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:e0:09:28:bb:98:44:0b:39:38:12:67:13:9c:84:f6:3c:17
Serial Number (int): 424684568466041943172344434618067060145175
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: b2:6e:9a:7a:36:43:5e:6d:f7:3a:49:6b:98:34:d4:7c:bf:b4:ef:98
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): e2:b3:07:bd:53:f8:87:0c:ac:bf:02:9b:06:8e:aa:4a:09:66:93:df
Fingerprint (sha256): 2b:c6:3c:47:cd:75:e6:ec:b8:f7:07:7f:8d:f4:49:f8:a7:ce:48:95:1f:0b:6b:c0:04:3a:2f:f4:30:e6:e8:ba

Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x3.letsencrypt.org

Check the revocation status for certificate bazza.com

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for bazza.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

bazza.com
www.bazza.com

Other certificates including the domain name bazza.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for bazza.com in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAp5n6OG8RW32UCr8SkiUw
TsavPcLNISL++MMoJtUDC4L5krLVCBxN5viv/6vmSflvC+RQ6hN8ntKJyE8F9gJh
wRdW0kOQ0M/KifzihRqo0qq1PkD9kBw+Le5sCpeT0BZ7KGFonlwg7ofvMlmt0Hg0
OWZ1fRU5mlm5zcgQ+IPR6k8rTdobupBDqTXEjcC8kcsK7oPL8kGWtiiU6Yt5603W
05revb7Jia4VP16TsXBlJjKfy+QsvJ7vWpFgbw82pIl5tZtlxrp8oXGxQ2pkKAom
J5zy/qxep9bN9noLSz8SB1qBzznI0sPBYDjV6aFVTI7ph3/fybLSK8fgYemrqtA+
x8IiA6j2urnTyepxphBPHCvPNyQ+blLPBG0cCnUAi5EAZ6UR987CpV7oLzT5/sLz
3LGSeXWd2NYEcNsK4+kAa1FbCo3m0fcS4sDcKpqmZZff4zr5xX4ATXJcsKnIhi5D
cU8mUpn3qdELj4IV47bFrHIx5a78P9huqauP4p+B/h4/nI9VAS9MLVUXOX3DV1EM
1banQBOohzONdBKV3U3xxUbP5FwHDYYh55UDQI/o6a/EC3o+Zl0cj1aMDW9vF3le
o+XdAfzEWAZ7748uUOy3yDQJdUz9HH+EEGrZkWhwCUgUP4glsTS8uUea+Tq1PFkD
WtvrnnMNZkw/6/zi4AHzkAUCAwEAAQ==
-----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 424684568466041943172344434618067060145175
 . . . . . . . . [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 'Let's Encrypt Authority X3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-08-13 00:12:20 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-11-11 00:12:20 +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 'bazza.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 683754360464240592522459005195107763439924429924625438902725434650453287416386890143529150235891016033095987463598908331115009048246311113556128268137006770371651082687983874298429890568621036143962951939038644362801697248312066041434667147141161495004694961831132829624801568433029758726103251725820379485680807814639497105990465557702510795105278866090674458897458871134729077232745411545793520189263491398865505873072436751692640853748437822775483700389972682944374155791135548246486277569999745645110796562255327787440906825511695851322029591373114792488631919993971813780607917127186784445091241756690095166807417542007713702679903826536330866419131634594803833450409032645139496962562100930969558111948132390964001779591675627733091604858089051553126446304211006812775477868199858396877837594955990286834569876280376920500271052243149515417185767635292532390980001111976257005445544032606310358796211930811719781317064129558835363958915299444331784629331994184895264102691421115378873226780313752042612626482192061637115872808615062958518958764958031593240653392761683949987152711637015300264901835385932290849881463429183286179313038968101158197460903725735394568589209863815338239675583998014975498910577532304524906572517381
 . . . . . . . . . . . . . . . . . . . . [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)
							b26e9a7a36435e6df73a496b9834d47cbfb4ef98
 . . . . . . . . . . . . . . . . [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 a84a6a63047dddbae6d139b7a64565eff3a8eca1
 . . . . . . . . . . . . . . . . [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 (99 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://ocsp.int-x3.letsencrypt.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://cert.int-x3.letsencrypt.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 (28 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'bazza.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.bazza.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 (69 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 1.3.6.1.4.1.44947.1.1.1
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.1 (cps)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:22|false] IA5String 'http://cps.letsencrypt.org'
 . . . . . . . . . . . . . . . . [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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef0076006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016c8888778e0000040300473045022100a52b61fca083673a629a3dc652fe6be27e4d5d1832c1f6750e6b724d7b82a38d022051bfdfac15e9b712582578a765529f366685df227b10436bdf6d5689f414686a00750063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d0000016c8888776a0000040300463044022045f4d579a9c87d4bb8f84a4f29903944f17d7efc8183a16d17bd1fd6b6f2c6ac0220377559bea6e105f45ae3f5565e813a4181a917036a3f3ef4ba827c60b8956977
 . . . . [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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