aio2u.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:ad:05:25:8e:d3:35:e7:ef:27:0f:3f:87:9e:74:7e:ec:3f was issued on by Let's Encrypt.

With 10 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=aio2u.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:ad:05:25:8e:d3:35:e7:ef:27:0f:3f:87:9e:74:7e:ec:3f
Serial Number (int): 320212548424401773592820229128357305838655
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 61:21:92:33:54:b1:dd:e3:ca:ff:17:a0:96:92:0f:ea:6c:57:3d:72
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 74:7d:c8:a2:93:ca:21:2f:30:f3:73:fa:10:47:ae:fc:c5:32:e2:9d
Fingerprint (sha256): 39:47:3e:90:6e:15:aa:ad:35:b6:00:2f:1e:34:8b:ca:af:97:b4:fc:de:3a:c3:df:96:55:7a:37:75:57:04:f2

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 aio2u.com

10

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for aio2u.com

Public Key Algorithm

RSA

Key Size

2048

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

admin.denn.com.my
aio2u.com
api.denn.com.my
denn.com.my
husky.huskyintel.com
k8.feelsion.com
registry.feelsion.com
webmail.denn.com.my
www.aio2u.com
www.denn.com.my

Other certificates including the domain name aio2u.com

(limited to 100 certificates)
aio2u.com
*.aio2u.com
*.aio2u.com
aio2u.com
aio2u.com
aio2u.com
aio2u.com
aio2u.com
aio2u.com
*.aio2u.com
aio2u.com
aio2u.com
*.aio2u.com
aio2u.com

Certificate

The complete raw certificate details for aio2u.com in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIF8TCCBNmgAwIBAgISA60FJY7TNefvJw8/h550fuw/MA0GCSqGSIb3DQEBCwUA
MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD
ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0yMDAzMDMxMjI3MzRaFw0y
MDA2MDExMjI3MzRaMBQxEjAQBgNVBAMTCWFpbzJ1LmNvbTCCASIwDQYJKoZIhvcN
AQEBBQADggEPADCCAQoCggEBAJgiEb9+iiwilTi0KDkErLAYObFvGv9lPwHAUZl3
C4D6EFhhMqu9n+kkG7EnChGf1sxbWynLLzaykZ3IznWmpq1UTEEzMr528sXmjxML
HCsYpnfTfCRWQcJ/KJnk1qSBvwcJ/DGJJAz/7VYEbCxp7mdZ5Nv1I/TPGIE91j7j
iYJkO0Z0/Jsq7CwgawTm1B07F5dnaSes/nOggGZpZAjz2RlNSnmPyesUKPQ+QFvo
apFxBV5AHHuX/4RX03Ysv/qkALvElOGnqWvaxA01ztw/+CFwic9qV6gO7YqS5XjP
ojOwmqMWfDq9bZoMDgs2vvpZ0jdXZxrfK3JkyET7ruM4dt0CAwEAAaOCAwUwggMB
MA4GA1UdDwEB/wQEAwIFoDAdBgNVHSUEFjAUBggrBgEFBQcDAQYIKwYBBQUHAwIw
DAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQUYSGSM1Sx3ePK/xeglpIP6mxXPXIwHwYD
VR0jBBgwFoAUqEpqYwR93brm0Tm3pkVl7/Oo7KEwbwYIKwYBBQUHAQEEYzBhMC4G
CCsGAQUFBzABhiJodHRwOi8vb2NzcC5pbnQteDMubGV0c2VuY3J5cHQub3JnMC8G
CCsGAQUFBzAChiNodHRwOi8vY2VydC5pbnQteDMubGV0c2VuY3J5cHQub3JnLzCB
ugYDVR0RBIGyMIGvghFhZG1pbi5kZW5uLmNvbS5teYIJYWlvMnUuY29tgg9hcGku
ZGVubi5jb20ubXmCC2Rlbm4uY29tLm15ghRodXNreS5odXNreWludGVsLmNvbYIP
azguZmVlbHNpb24uY29tghVyZWdpc3RyeS5mZWVsc2lvbi5jb22CE3dlYm1haWwu
ZGVubi5jb20ubXmCDXd3dy5haW8ydS5jb22CD3d3dy5kZW5uLmNvbS5teTBMBgNV
HSAERTBDMAgGBmeBDAECATA3BgsrBgEEAYLfEwEBATAoMCYGCCsGAQUFBwIBFhpo
dHRwOi8vY3BzLmxldHNlbmNyeXB0Lm9yZzCCAQQGCisGAQQB1nkCBAIEgfUEgfIA
8AB2AAe3XBvlfWj/8bDGHSMVx7rmV3xXlLdq7rxhOhpp06IcAAABcKCUi58AAAQD
AEcwRQIhAMI/c5swEH1c1pHbH01Rip9g279EDwmXyuqlBYsjX+Z4AiAbtlQPdChK
2J/MaSCbn+FL3nZ9ozRhFgMxwnMBAHtM/wB2AG9Tdqwx8DEZ2JkApFEV/3cVHBHZ
AsEAKQaNsgiaN9kTAAABcKCUjJQAAAQDAEcwRQIhAI5okY08edXY7dnPcP0yt4bM
B9DQn1DInvfihHcBCrKTAiA0/8XjJBtQqG7mFqS49Pa4C8uL0dT8d3iZ3uN2Zch4
qDANBgkqhkiG9w0BAQsFAAOCAQEAHvOK6wgVXVeM2v9JhPMFo/yOYF0k6ecdZAHs
V9/ZEgbSuDiW3Vp1n+Lpktj9inzaSw2IjhszyaV9RHRFTPf4X1XIlSZUtZCj/8dS
5Nl5m2DlyFQsq08O84qH52nzveOalp6LoZB9JIg5mb9AtEANnUNkbK/JIttlJh4r
gaYAyEgYQSw9vo6M1U3ChevC1y/YXMqEzRonRRrgYyDi0trTxEFkm+G/7j6iBnsu
1ky7WQ9ZgIzwhtXqEt24Z/1EuKBxpCVeP0HHUiwqej4fo1SGPoAGzP1gNV8uw838
a6iZepJ+s/Yzz8ScYBBhSIx+KOiH9VXr88mmy9EZ64RkDTMQow==
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAmCIRv36KLCKVOLQoOQSs
sBg5sW8a/2U/AcBRmXcLgPoQWGEyq72f6SQbsScKEZ/WzFtbKcsvNrKRncjOdaam
rVRMQTMyvnbyxeaPEwscKximd9N8JFZBwn8omeTWpIG/Bwn8MYkkDP/tVgRsLGnu
Z1nk2/Uj9M8YgT3WPuOJgmQ7RnT8myrsLCBrBObUHTsXl2dpJ6z+c6CAZmlkCPPZ
GU1KeY/J6xQo9D5AW+hqkXEFXkAce5f/hFfTdiy/+qQAu8SU4aepa9rEDTXO3D/4
IXCJz2pXqA7tipLleM+iM7CaoxZ8Or1tmgwOCza++lnSN1dnGt8rcmTIRPuu4zh2
3QIDAQAB
-----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 320212548424401773592820229128357305838655
 . . . . . . . . [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 2020-03-03 12:27:34 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-06-01 12:27:34 +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 'aio2u.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 (2160 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 19205022566739191041640560939452243035578255597571865669411704663422547668762633576500440611407915952907243305012952757687026759848772579934032396730386086649205058098084043351793115635937305911832259918447129597247549376631224129139608820850036331624124291492280554870566280510571677578393216250797257954427516059686590439444341291327606243430355931852152806043609719715022408811366082567941039517920406770913291932127010571431162286872698354069917721665207666316955069711144217750209094210212067431301548654790403636323499221512413793960489922034511492463109773785624850234567236087359090702695304391748270257895133
 . . . . . . . . . . . . . . . . . . . . [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)
							6121923354b1dde3caff17a096920fea6c573d72
 . . . . . . . . . . . . . . . . [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 (178 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'admin.denn.com.my'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'aio2u.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'api.denn.com.my'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'denn.com.my'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'husky.huskyintel.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'k8.feelsion.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'registry.feelsion.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'webmail.denn.com.my'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.aio2u.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.denn.com.my'
 . . . . . . . . . . . . . . . . [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)
							00f000760007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c00000170a0948b9f0000040300473045022100c23f739b30107d5cd691db1f4d518a9f60dbbf440f0997caeaa5058b235fe67802201bb6540f74284ad89fcc69209b9fe14bde767da33461160331c27301007b4cff0076006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d91300000170a0948c9400000403004730450221008e68918d3c79d5d8edd9cf70fd32b786cc07d0d09f50c89ef7e28477010ab293022034ffc5e3241b50a86ee616a4b8f4f6b80bcb8bd1d4fc777899dee37665c878a8
 . . . . [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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