2aoao.ru
Issued by R3
About this certificate
This digital certificate with serial number 03:81:98:07:a2:25:25:56:70:a3:66:40:80:8d:1a:57:d7:87 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=2aoao.ru
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:81:98:07:a2:25:25:56:70:a3:66:40:80:8d:1a:57:d7:87Serial Number (int): 305435365418212471932623300444749498406791
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 29:17:f4:f1:9c:a6:47:82:f4:fe:91:29:6a:fa:e0:fb:81:1c:bd:47
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6
Fingerprint (sha1): 88:90:1f:83:41:e5:45:85:85:64:17:f7:11:bb:be:c1:0f:1e:e8:20
Fingerprint (sha256): b7:d3:cd:73:66:83:24:0b:57:01:a4:d4:44:b9:c6:d3:43:52:06:ff:aa:18:c6:46:dc:5b:10:23:90:1d:40:55
Issuing Certificate URL: http://r3.i.lencr.org/
Revocation information
OCSP Server: http://r3.o.lencr.orgCheck the revocation status for certificate 2aoao.ru
2
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for 2aoao.ru
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
2aoao.ru
www.2aoao.ru
www.2aoao.ru
Other certificates including the domain name 2aoao.ru
(limited to 100 certificates)
Certificate
The complete raw certificate details for 2aoao.ru in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIE6zCCA9OgAwIBAgISA4GYB6IlJVZwo2ZAgI0aV9eHMA0GCSqGSIb3DQEBCwUA MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD EwJSMzAeFw0yMzEyMzEyMDUxMjhaFw0yNDAzMzAyMDUxMjdaMBMxETAPBgNVBAMT CDJhb2FvLnJ1MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxuIyhzLE iji9TzmtqEbhwtY5PNEkGrHSskB2/vQNVfOlBgcs4hFtM3XDjTT3tNQ/FsBhP6TC Yvg7eF0ZKzhgGun6X0fWoCM3eB6++HuBfysYFDIZVoMniPFKIvPC2Laki7IhICje nFzs8XWYam7zWjNVvd8rtLZyj2rLb2I7df24WgxL6RW5NVKJVBBoMtX77coSfcwB Xa1tZBLD9Dzhr/4qg0haCXrZ/lt1qovDwLGyCgFJ8f9/rVwqp00oI30sRtI10Xn1 jUokUMKNbcvx7pbYnMIfhzIkah+7Xo7LAftpIUqnCEmIORHcaU7OAuf6u1uur4Ea 4MgOR2/sDIahEwIDAQABo4ICGDCCAhQwDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQW MBQGCCsGAQUFBwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBQp F/TxnKZHgvT+kSlq+uD7gRy9RzAfBgNVHSMEGDAWgBQULrMXt1hWy65QCUDmH6+d ixTCxjBVBggrBgEFBQcBAQRJMEcwIQYIKwYBBQUHMAGGFWh0dHA6Ly9yMy5vLmxl bmNyLm9yZzAiBggrBgEFBQcwAoYWaHR0cDovL3IzLmkubGVuY3Iub3JnLzAhBgNV HREEGjAYgggyYW9hby5ydYIMd3d3LjJhb2FvLnJ1MBMGA1UdIAQMMAowCAYGZ4EM AQIBMIIBBAYKKwYBBAHWeQIEAgSB9QSB8gDwAHYASLDja9qmRzQP5WoC+p0w6xxS ActW3SyB2bu/qznYhHMAAAGMwdxH+wAABAMARzBFAiEA/ofUMFRJiY/GhrVkzqBh ziIU4vf2vf712nL3AyK3m4MCIHsIGqcxsumpycniixiicSDIq7//E+QdYFc1Ei+U 6o8mAHYAouK/1h7eLy8HoNZObTen3GVDsMa1LqLat4r4mm31F9gAAAGMwdxINAAA BAMARzBFAiEAvpt5NJtyTW/MGgcYFMyq9wwkVppAwqjE1F6QoONOBsICIBtzpFQl 0QxCpfe9ErevaiSvcAuVQONhaxx4bjvQvn2GMA0GCSqGSIb3DQEBCwUAA4IBAQCv 3e1Gw/otwYLLl5/9bC8L1GpQGwmZQQFFn3kx1x7kCqh95DAyewnCRvpBe90r1kmr dQN7YlA1AFndMR9W5QdsdI/L9FTefe9sNLvquDxktmp6ubaiXY28a/ZCSElth/hE L8HFjrRwBYxfb3gsGZ5116ZpxiV21pu8kWqbbHXNLCOHB0jmv3Vz5V+fdABWW3Ur PnQRHyDBkFJJ13HjcuOU/UgHAM5O8+qT63qlcYendlsn29635WqHTRGMEAiWjfNP N10RONeU64alJ6WP11iBrt4Am377x1QykC+NK3PUjgWRq5ES80ze9mXJj8T+FkbQ Ny1OgoKWMV9fMaHQCmyN -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxuIyhzLEiji9TzmtqEbh wtY5PNEkGrHSskB2/vQNVfOlBgcs4hFtM3XDjTT3tNQ/FsBhP6TCYvg7eF0ZKzhg Gun6X0fWoCM3eB6++HuBfysYFDIZVoMniPFKIvPC2Laki7IhICjenFzs8XWYam7z WjNVvd8rtLZyj2rLb2I7df24WgxL6RW5NVKJVBBoMtX77coSfcwBXa1tZBLD9Dzh r/4qg0haCXrZ/lt1qovDwLGyCgFJ8f9/rVwqp00oI30sRtI10Xn1jUokUMKNbcvx 7pbYnMIfhzIkah+7Xo7LAftpIUqnCEmIORHcaU7OAuf6u1uur4Ea4MgOR2/sDIah EwIDAQAB -----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 305435365418212471932623300444749498406791 . . . . . . . . [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 2023-12-31 20:51:28 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-03-30 20:51:27 +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 '2aoao.ru' . . . . . . . . [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 25106726466350541524918913883722083757524410625938517579892672437003255686192372031483505920871353247952043171114345992912630678872376062806058103863737024160377640879262168885048825629069865228150154657155864325264525489171707513194054832819638594485912038515688808689229126694094502736350517507630432456942662276353794221753588987878239573039104770299614205050614123709973363506592093576526654845965983248191334881816816836727082962473564084412567744552227525648276695078213884419077376758857612758591099598008869101697016042457173155942553238236001075009450173729761830462659804980844179716758952044284397916430611 . . . . . . . . . . . . . . . . . . . . [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) 2917f4f19ca64782f4fe91296afae0fb811cbd47 . . . . . . . . . . . . . . . . [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 (26 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '2aoao.ru' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.2aoao.ru' . . . . . . . . . . . . . . . . [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) 00f000760048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018cc1dc47fb0000040300473045022100fe87d4305449898fc686b564cea061ce2214e2f7f6bdfef5da72f70322b79b8302207b081aa731b2e9a9c9c9e28b18a27120c8abbfff13e41d605735122f94ea8f26007600a2e2bfd61ede2f2f07a0d64e6d37a7dc6543b0c6b52ea2dab78af89a6df517d80000018cc1dc48340000040300473045022100be9b79349b724d6fcc1a071814ccaaf70c24569a40c2a8c4d45e90a0e34e06c202201b73a45425d10c42a5f7bd12b7af6a24af700b9540e3616b1c786e3bd0be7d86 . . . . [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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