aio2u.com

Issued by R3

About this certificate

This digital certificate with serial number 03:91:fe:ca:33:41:96:fe:97:96:39:2a:ae:b8:05:45:2b:3d was issued on by Let's Encrypt.

With 2 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:
  • DV certificate contains a subject common name, this is not recommended. If certificate policy 2.23.140.1.2.1 (CA/B BR domain validated) is included, only country and/or common name is allowed in SubjectDN. (BRs: 7.1.2.7.2)
  • Subscriber certificates use of Subject Key Identifier is NOT RECOMMENDED (BRs v2: 7.1.2.7.6)
  • Subscriber Certificate: commonName is NOT RECOMMENDED. (BRs: 7.1.2.7.1)

Certificate Subject

CN=aio2u.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:91:fe:ca:33:41:96:fe:97:96:39:2a:ae:b8:05:45:2b:3d
Serial Number (int): 311016474793311060693101774001070781311805
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: db:fd:0f:6b:9d:88:60:86:55:b1:af:03:8e:6c:0d:30:60:68:6f:d7
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 00:09:d9:44:f9:3a:df:a0:1b:9e:80:b7:40:cc:b9:f1:04:77:0c:35
Fingerprint (sha256): 00:ce:fc:fe:90:aa:7c:1f:fd:6a:fc:9a:b7:bf:18:ff:84:9b:53:77:99:ad:ae:fc:81:37:99:34:22:bd:97:6f

Issuing Certificate URL: http://r3.i.lencr.org/

Revocation information

OCSP Server: http://r3.o.lencr.org

Check the revocation status for certificate aio2u.com

2

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

aio2u.com
www.aio2u.com

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-----
MIIE7jCCA9agAwIBAgISA5H+yjNBlv6XljkqrrgFRSs9MA0GCSqGSIb3DQEBCwUA
MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD
EwJSMzAeFw0yMzEyMjMyMjM1MTBaFw0yNDAzMjIyMjM1MDlaMBQxEjAQBgNVBAMT
CWFpbzJ1LmNvbTCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAMegcrtG
9CbMoe7un7D9Erbl6ENNb7uvE9KwvAMNCkfifZ4+OESn20DzwilROsgOk3OU+anZ
8MklX+kTWhD8JbqclXWm1mFoNVwJdIboZZxsqaOdPkNhdDydeGKlTbZfHcjWexnK
2V8AznT7U9Ho0rK5NQ3GMO5/cWerhVN/hq0DQQ1AviighMIxdSGMzGe5P/avEFaM
MJcD3oTlNRGdOF67ru+MY4aGp7m7YeiAxCZ02I9XSf+iDPaHn8yQ4zqzXcLWa/e4
1m4eouAs3Z6HnS3B4r5ZdzVO2nbrOez13JoqUNE7J+iHGu/mWWl2jxLsgdEuVsr6
FF5TKF+0N+m9CtMCAwEAAaOCAhowggIWMA4GA1UdDwEB/wQEAwIFoDAdBgNVHSUE
FjAUBggrBgEFBQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQU
2/0Pa52IYIZVsa8DjmwNMGBob9cwHwYDVR0jBBgwFoAUFC6zF7dYVsuuUAlA5h+v
nYsUwsYwVQYIKwYBBQUHAQEESTBHMCEGCCsGAQUFBzABhhVodHRwOi8vcjMuby5s
ZW5jci5vcmcwIgYIKwYBBQUHMAKGFmh0dHA6Ly9yMy5pLmxlbmNyLm9yZy8wIwYD
VR0RBBwwGoIJYWlvMnUuY29tgg13d3cuYWlvMnUuY29tMBMGA1UdIAQMMAowCAYG
Z4EMAQIBMIIBBAYKKwYBBAHWeQIEAgSB9QSB8gDwAHYAouK/1h7eLy8HoNZObTen
3GVDsMa1LqLat4r4mm31F9gAAAGMmQhZXQAABAMARzBFAiEAqMixwdf3NxY8SeQ6
JOiMSCPfefsVWZyrcBkkqtV7m+UCIAh2Z4O1/kTcW/Rn7/+hMBUUh6qk/JumDtX+
1OtUTDcJAHYA7s3QZNXbGs7FXLedtM0TojKHRny87N7DUUhZRnEftZsAAAGMmQhZ
iwAABAMARzBFAiEAktcvaW6QYMU9/3ZINtueoBDuJCZypbTZrZhS6OWcpVMCIHaG
59jzXwKWhodsfiwtXLVaoEKGBirbeSC28IcSFU1LMA0GCSqGSIb3DQEBCwUAA4IB
AQBX+2iLtoEhwwQU98GRgdYWHHWlV3Mt1MnSFynjBHY/6hFVkdwF8gnv04PGya3C
1q0vch+R25srPeNk5szOx5jOFrzXltgcCB0Vezmx0xUkKudkF/YPtVdpSL9dwE+1
2CM/uXgpBg0EmP98BoexHeDxYdM19+/CycVJc/7PXsQHBoGvJU8C9NaZ2YLLWBOx
Xti69c92ZLyFTR6ILaz3W+yWPjZ4/pNeg5jRukB64CWdfRJWs4NSkT9/MaNdWmNo
ijnRvlWfTerP0paDACtis3FdOluOIv6vG7o/Oeo+Tbz2IO96UuhCfLr1gL39Q4A2
XbD8QKm5HAuoMzB6CF8HmGRs
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAx6Byu0b0Jsyh7u6fsP0S
tuXoQ01vu68T0rC8Aw0KR+J9nj44RKfbQPPCKVE6yA6Tc5T5qdnwySVf6RNaEPwl
upyVdabWYWg1XAl0huhlnGypo50+Q2F0PJ14YqVNtl8dyNZ7GcrZXwDOdPtT0ejS
srk1DcYw7n9xZ6uFU3+GrQNBDUC+KKCEwjF1IYzMZ7k/9q8QVowwlwPehOU1EZ04
Xruu74xjhoanubth6IDEJnTYj1dJ/6IM9oefzJDjOrNdwtZr97jWbh6i4Czdnoed
LcHivll3NU7adus57PXcmipQ0Tsn6Ica7+ZZaXaPEuyB0S5WyvoUXlMoX7Q36b0K
0wIDAQAB
-----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 311016474793311060693101774001070781311805
 . . . . . . . . [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 'R3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-12-23 22:35:10 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-03-22 22:35:09 +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 25200542629773785805381044889056229705316893704479617017422959921573617625030822687524949493238833839571975985551835374749406935840237491711379714562548754891063317049829236090843735232173328705579184744659644035710144116261753812434005599269910403054813719875864061592772565609547601889919478865660609052056532382265700050360125880745219793917853431344279130293551175055610682534191694566392685365642498577376981141908665713853871676660566764427832913758807276804270053635963442042842067749532179370713033319083292651407623232380074542557710576820315513363822158261925632721218974381263631234723765603951610477480659
 . . . . . . . . . . . . . . . . . . . . [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)
							dbfd0f6b9d88608655b1af038e6c0d3060686fd7
 . . . . . . . . . . . . . . . . [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 142eb317b75856cbae500940e61faf9d8b14c2c6
 . . . . . . . . . . . . . . . . [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 (73 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://r3.o.lencr.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://r3.i.lencr.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 (28 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'aio2u.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.aio2u.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 (12 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 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007600a2e2bfd61ede2f2f07a0d64e6d37a7dc6543b0c6b52ea2dab78af89a6df517d80000018c9908595d0000040300473045022100a8c8b1c1d7f737163c49e43a24e88c4823df79fb15599cab701924aad57b9be5022008766783b5fe44dc5bf467efffa130151487aaa4fc9ba60ed5fed4eb544c3709007600eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018c9908598b000004030047304502210092d72f696e9060c53dff764836db9ea010ee242672a5b4d9ad9852e8e59ca55302207686e7d8f35f029686876c7e2c2d5cb55aa04286062adb7920b6f08712154d4b
 . . . . [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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