quickbusinessloan.xyz

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:2c:05:d1:8d:95:bb:a0:87:9e:c4:ec:a4:30:d1:9d:07:e6 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:
  • Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)

Certificate Subject

CN=quickbusinessloan.xyz

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:2c:05:d1:8d:95:bb:a0:87:9e:c4:ec:a4:30:d1:9d:07:e6
Serial Number (int): 276317016141507208785525959738253696108518
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 2d:eb:2d:dd:6d:b2:91:14:48:13:9a:3d:33:86:99:a9:70:98:20:ae
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 9e:97:88:74:c6:ed:1b:5f:c1:d7:42:93:0c:ba:57:57:01:c4:d8:a3
Fingerprint (sha256): f9:d9:53:ed:b9:69:a3:3b:dd:6c:be:48:89:bc:65:20:ba:8b:a4:1e:71:c4:62:0a:8b:80:91:52:90:cc:11:e0

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 quickbusinessloan.xyz

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for quickbusinessloan.xyz

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

quickbusinessloan.xyz

Other certificates including the domain name quickbusinessloan.xyz

(limited to 100 certificates)

Certificate

The complete raw certificate details for quickbusinessloan.xyz in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAzQeYnVaRtwStFFp7eVUx
eeh2fYWRl51ncCMcoqTWadVCvbmdP5yRHSAH5V4fHg8nJrzL8+FW/dFb51idzhKw
6cmjzukfHtQv54V5ydsZlnQR7xS6VPV/iQoIfgbTiF3UTB33XisnmrRvPYnIFKan
4IucoAwpAn+qnAhtDhydfdc+ECPlozHu1LRvo3FSSn4ZOIQgoqxRVzZbnTHZLr6p
cfHB3KT+SA7SKavHKQXJRPvX1Fodxt4ckoeRUp9Jui8e+TNrTRPyH5lMZadm7mqz
vjxNNiTDh6f0i/hCX6WsKKeTCLBU28UQJWHqePt/C9KF8i6Wnhbzz+QiM2q83bJs
4k8O/fmwVutKMe7bMwOeF/GAS1ISsSRsoPMDG7V+F7xKIKt+NhHie4/nNVviGlbH
ylUJX7xQU/AC8lM3pFVV/9KPPMDIMLSjvTkAZuGEgGrNY5I9aUR8ZieqBra4lJKt
sKiciUkxLVLhC3vX2JYzQwDBwkrHbSb+2k77XMG/jqh6hf65DE+vZRwtprHY2/EI
Q052VoIv6MjvttQ1BP2ShLFJxGJS5QSrMDHtqsffVM5TgFzomN3MYl0m06q/CjOO
MeLbB6mFqnHGUPdLpl1mLrHlhm3g+QNuVTIWlQEr5Peh7A6oLBtI2V4cNAEQYf9U
7tZW2WBmqNGB210eoxE8rhECAwEAAQ==
-----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 276317016141507208785525959738253696108518
 . . . . . . . . [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 2019-12-30 00:57:42 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-29 00:57:42 +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 'quickbusinessloan.xyz'
 . . . . . . . . [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 836448087035959746939467510872714822379369993167822618417905939175965376310437254506107927979277151483807355725773536027338638483677253197968152063125227727648190464293280279049897019590955594648586090253883187655966714818154976755984495543652015450666543724314725521300177536053846237618214235560035693099630487316517441131643804663014012428065581598509237532829635046894927195611424006113382272496926214470572171430557727613518556619193250329073311006204612900251079262156428953586526378371012506133929896551533907756935968858325053894666004964794253234578726605070204297392637510355305542088628519672770729631664373243244897833979392404242301194482131489997636827465496120230441200759772167088621043326933452496985679695143763891550216420060696690551589094227015529624485619390376554912814742279812333361795389504313470998515584522649981976473396992622764523734630832092007780473634632567349278183588304331957927050319111960514530090190986250589272670216532845206646024546559268998718537267537625814295224053872567399955457706914073054002157623482801285650015527136423536963058750213737430934410615889704519177815648674504035830565030624240834976561580442792433500367244852656793139691868696937388053223700249160713626869405888017
 . . . . . . . . . . . . . . . . . . . . [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)
							2deb2ddd6db2911448139a3d338699a9709820ae
 . . . . . . . . . . . . . . . . [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 (25 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'quickbusinessloan.xyz'
 . . . . . . . . . . . . . . . . [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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f00077005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016f5485f3660000040300483046022100ba8588025566f3ca2d773ba1180dac144d809e5b93176a2e0d38d07fcc52420f022100ae519ff20b292c9fca835930074cdc8c0920a34da9c46a2bb3755da1138e2b6700750007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016f5485f35000000403004630440220202ce45e15aa9087acf2b87829008f2a1b261a8d0a8449996d1d9b448da5442402206e1626eb1a787baaa262810f76c083a1305aaf41dd5eda3ed4b21dd15aa00bb6
 . . . . [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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