www.lasvegas-superstore.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:bb:d1:9e:f0:92:66:69:6e:06:b1:76:56:23:92:c3:77:88 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=www.lasvegas-superstore.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:bb:d1:9e:f0:92:66:69:6e:06:b1:76:56:23:92:c3:77:88
Serial Number (int): 325248294322896240059005066443434229987208
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 24:e5:b6:ec:01:01:1d:58:34:92:30:58:ff:a5:a9:2d:01:4d:f4:0e
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): ef:7f:d4:c6:8e:46:1d:92:d4:a9:87:47:82:2c:51:62:f9:c7:ed:dd
Fingerprint (sha256): 7b:26:5c:b6:12:72:87:2d:26:28:20:48:8c:81:83:20:5b:a8:56:89:1b:11:79:a4:8a:4e:88:6b:83:6d:b0:eb

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 www.lasvegas-superstore.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.lasvegas-superstore.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

www.lasvegas-superstore.com

Other certificates including the domain name lasvegas-superstore.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.lasvegas-superstore.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 325248294322896240059005066443434229987208
 . . . . . . . . [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 2019-10-16 02:46:18 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-14 02:46:18 +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 'www.lasvegas-superstore.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 703107735420934477747444189952678050270701752910347758924947109962480158387195840677476517230492044530734063387862488324060562467563875035324551721172687865871784628337377670932805836536182291174341747562831636653186085394839619752010179393477179903109698153041788200583437293421549419801518551751705637594067680878334701342024580560771625490302880731947186124611886522336061667191650029248555396107723639800903633183867020414897664260849846170220143544980013264816772840527630189315735272715150831120243411063369323949853906988388203580444237322973793847006221145633678489408775346840177634867766571443441968762557506486940942248653602700300955604683292603189350780239418329755719836197715785850715732203633535330213769992256405963681616052789943019144242763419082604443701931349489816627955467622051564403784928605735306147945955489122450919919092874149311968481983162730882430143872963433152989562215506334992514598669212892913558548403535455782883575693968540399881107760836541608549444179913150233039455931505313997731420519182310028999410523867914355263035518458872923563396063649411949328967651223272400338700153467659348663575547373370100175667362490820839820042952854343689829891484260224701986409303241955693983698862864993
 . . . . . . . . . . . . . . . . . . . . [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)
							24e5b6ec01011d5834923058ffa5a92d014df40e
 . . . . . . . . . . . . . . . . [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 (31 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.lasvegas-superstore.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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016dd2ac6d550000040300473045022100f7a9507cc9ff9643c209c98c1afe558ee2206102974f37d64e50c05207f360a902206f41442fe3c0dd78350254ebe3f4758a4d983a75237d2f014b40c5fefbca83930076006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016dd2ac6f88000004030047304502205e4d5cfa91af78ea7c0085417632bdae72e1ab6a16dd937a48ae097adecb5bb8022100ec4e8cdd25a448804b09b84c513a244b16f5822c35ebb3191e27490ae64d045f
 . . . . [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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