4uinc.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:0a:d0:da:2c:28:97:dd:17:ea:34:06:f0:8a:50:93:64:86 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=4uinc.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:0a:d0:da:2c:28:97:dd:17:ea:34:06:f0:8a:50:93:64:86
Serial Number (int): 265017293703970696251760402361966172267654
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 3f:bc:93:46:00:12:65:d8:53:33:a9:1e:15:d9:95:0b:7d:e0:64:ab
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): a7:0c:95:6d:ac:d5:fe:3d:a1:43:22:54:7b:4c:79:38:3b:8f:e8:e1
Fingerprint (sha256): 50:40:36:a7:ea:1f:f7:32:e6:bd:e4:f1:ba:08:54:89:5b:78:72:74:cc:f1:29:af:39:8d:7f:af:43:b7:77:1f

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 4uinc.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for 4uinc.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

4uinc.com

Other certificates including the domain name 4uinc.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for 4uinc.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 265017293703970696251760402361966172267654
 . . . . . . . . [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 05:58:59 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-05-29 05:58:59 +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 '4uinc.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 961934790696415950743242689232607325785510661744029706803125108972429910738259370036721300264928443000836911798838345811552295141984919257577450017053701672248074523897088964704506722529678136090821790496320938480486835499356835246676819796701327311483945750805472412578665350222206845920271167241494418898088321287722665736965576774467429471394156295224058678275460619671423685866793807843244683313473939222835304129615187658772988417095609255839394723509322927787276098400800725337713563426835329264986274491388555690249548086689494584185352239256874886408715127345439263383316004540018223760470637347829741974525593013542025321791976154280389013211706666001829261080696096153685074288885952842861233804025355634195717994750528110200898232704464003214276272224464852758476472713690894215041935361953841767748245147825225584046795639063054738954351594931527093997924051701001430620065608894069106468638603859729966956898443357152401017096411218832694221758869170449162279317620409193278193257254230924002810744449352403663319573357303562756959010385760298187600974013262190124289018686260238206153662300252204303588504438722662372137258291025027087672456067138682959068801585605804972923270309422348881584158141187856042932990631817
 . . . . . . . . . . . . . . . . . . . . [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)
							3fbc9346001265d85333a91e15d9950b7de064ab
 . . . . . . . . . . . . . . . . [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 (13 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '4uinc.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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f1007600e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe0000016932e62d620000040300473045022100d7949f86ec116e2ca51ecf965874b96decfa800aa8029dcb8d4e09b2175533b402205f04fbbada28c276c251f321eb46f63b94ec810c50c70d1f8b3311d0bba921f2007700293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016932e62db80000040300483046022100c7dc8ff5e165d6099dd2a42d524a2193e60998e32e15038cfe8b425050a4a186022100be4729c44ef7a45a94bb8b436359b35b5e9c3ace515e549583004284b404959f
 . . . . [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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