a1auctioncompany.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:d6:76:5a:83:99:8f:f7:13:ab:94:be:13:30:cd:c3:14:c1 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=a1auctioncompany.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:d6:76:5a:83:99:8f:f7:13:ab:94:be:13:30:cd:c3:14:c1
Serial Number (int): 334314603195743581325546322259306145322177
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: d4:93:cf:d7:fc:b8:ac:17:e2:37:bb:8a:69:92:35:57:fd:0c:52:48
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 8b:da:4c:35:6f:86:e0:d8:de:2a:40:71:ce:e6:cd:2d:c0:6e:fa:0b
Fingerprint (sha256): c9:73:60:87:ce:34:61:c4:41:c5:13:7a:61:e4:e7:0b:37:aa:8d:7a:ef:89:6b:58:58:53:b7:ae:83:f2:f6:f7

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 a1auctioncompany.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for a1auctioncompany.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

a1auctioncompany.com

Other certificates including the domain name a1auctioncompany.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for a1auctioncompany.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 334314603195743581325546322259306145322177
 . . . . . . . . [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 2019-02-28 05:58:42 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-05-29 05:58:42 +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 'a1auctioncompany.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 852165421045022171148351005445292815082932015312401155419835292416658441888887367900734154392497653217445838747583669081974545198141490555600262547479669251576162127830479821653197603381827444004127611674310870587510029759699913149616736155381004517735816476794865486420460636727878843239034683511958665342140524617456878070516769079731144179831925315550463707444716317012848834374648317393130508484898198282252503750861865784229451401298513574818380393357512513138792164769119345697445741482749132628640106592402093864426005156562484834427640966382488057913740744885894071218609023113729835912911603711763022905717067394403824830327824562909769202527490236724237324833361624622850716481475507575199402905504565371141923717228110111983930355405387086899952374696832085369303165824610276947527585023844909944425724948174203002025830315621862649296343555392814250831750153311372550350126645739759284050812485817569733655335891688517100398442277566302247565561730671956064231794049118289701695994581013312844619391771564857798298866241208299494778253288783417101980654022202659404807162597251653542271360517969775577124536392131508009878238851407610108522829615295210894080447031945354144365308660797703100000514065220188261080071415923
 . . . . . . . . . . . . . . . . . . . . [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)
							d493cfd7fcb8ac17e237bb8a69923557fd0c5248
 . . . . . . . . . . . . . . . . [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 (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'a1auctioncompany.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)
							00ef007500e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe0000016932e5ec82000004030046304402204887b153967c8d4bff43eb01331ce5782d54f767f34796e1749d320e3df80d7b02200aa80759d1500e8aa6dc2a2d7bcaeadfad4585c72eed2c5835f37095b8ab9c6a00760063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d0000016932e5eadf0000040300473045022100ace609915a18708528ce1a8d22eb7b18b07d47cdf59ac319e3282fea3bb921f6022035da097504026f05876740b6cbd55732763587f6a50df753155f71252a1dae72
 . . . . [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)
		007e4d03c3ed4dbf09ffb33b85c12b6002b3f2e6a9b3b193fd46fb6a6de191ddf996144ca670b32454d6c967ad94b1a7906423c2da1228e35e4877280bcd8ef153b4d5286e41a074d9ff3ce0c115054c6ba842090c9b135d89d4c98b2871b54d0eba8d5b2d0c96e45caee4490cdb9f7a3b43e8220c3e4876d44a430a2fefdf516a371ca6c7e70953b735bf79fd53fc83baf9f52bb77c20f16bc38bc9e4335459ce4db695bf20ea7536beeffc11fd90dd3d3e9842689279bdadadcfe4b6361d191db173bd086a13e406ef53da94c83d086155fc500ce315638c8259661946375aa16c08434b4e3b1bed43ccd458309b5a58c84169cb4b082bcca6abe61049c1264a