notvalid.com

Issued by R3

About this certificate

This digital certificate with serial number 03:55:3e:27:ad:f0:93:ae:e7:34:c1:5a:17:f5:3e:02:c3:e5 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:
  • 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=notvalid.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:55:3e:27:ad:f0:93:ae:e7:34:c1:5a:17:f5:3e:02:c3:e5
Serial Number (int): 290343477146793983153194684611756707464165
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 15:59:15:23:96:8c:14:2e:62:6e:9b:10:75:19:82:0d:50:a8:9b:37
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): d4:d3:b1:de:2f:40:57:ae:79:94:42:6e:f2:bb:c0:ab:55:ae:12:37
Fingerprint (sha256): ed:fa:9e:ee:9c:8a:7e:bd:1d:18:49:9a:5f:d8:84:6e:ff:2e:23:8b:32:76:a3:b0:7b:a3:7b:04:f4:62:92:ef

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

Revocation information

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

Check the revocation status for certificate notvalid.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for notvalid.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

notvalid.com

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Certificate

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

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIF5TCCBM2gAwIBAgISA1U+J63wk67nNMFaF/U+AsPlMA0GCSqGSIb3DQEBCwUA
MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD
EwJSMzAeFw0yMzExMDEwOTE1MTVaFw0yNDAxMzAwOTE1MTRaMBcxFTATBgNVBAMT
DG5vdHZhbGlkLmNvbTCCAiIwDQYJKoZIhvcNAQEBBQADggIPADCCAgoCggIBAMVK
xzmNfTQxD2mr5jPbPNVtFMmTIQOVJAenrNK3Gg0XYX2KoWbzos5++2uLKSku2b0+
S8EniMTThJy5NiryKyS86O6ChQuCke7O81cEAME0JCO0HQCBHIqGCVtRunlNYG/r
YRt70YXuFC03lMzMDd4cF0LV+5C8GKgmlrmK9N8CuObQZlRRLlPSueUdx2510Osd
jsha7sXhNTyI3A29rvKH92PRZCepAI1iO8p07kyXA26Y5rGsyNNGq83t+QwKL4Fx
cWauPD22WDjvR+D5jdAM9b22tFIgl82wlAw34hIKJQ5HSHnCwG48yr2oLwAp/w28
be6JHEPEMhsndvUvOobtQ4Np0yZ8M3vGlr8nxP69AbxkXusLfUNy/8BGoSVl0w5P
VNcH15OW8yq1U+7geUOUsyxcBgfhELol1GyJIuJj8R+9CxQgDqD49He8nXdCUegV
wPENeP80dlMap8zyOiZ+qN3pagIcDAqiqdcaMrDonZB5zpOtrmjCLHtvnMLfQgeN
DeV3sWJ32KQY6bPd/B7x3WmVsBl2RYJFM6HA8lDHoqJtw6/Zd8CNSHNpJHgbLDhh
x0zybYjdaJ/WXyM7kmxzR9JjS6UxwejoH6uDv++NRB/QsX4q0PRAc7IpJ9iKlsCP
XfbPF8/LtiOAfVSPuoFWx7oPR5Gk1eT6tL4R1Pg5AgMBAAGjggIOMIICCjAOBgNV
HQ8BAf8EBAMCBaAwHQYDVR0lBBYwFAYIKwYBBQUHAwEGCCsGAQUFBwMCMAwGA1Ud
EwEB/wQCMAAwHQYDVR0OBBYEFBVZFSOWjBQuYm6bEHUZgg1QqJs3MB8GA1UdIwQY
MBaAFBQusxe3WFbLrlAJQOYfr52LFMLGMFUGCCsGAQUFBwEBBEkwRzAhBggrBgEF
BQcwAYYVaHR0cDovL3IzLm8ubGVuY3Iub3JnMCIGCCsGAQUFBzAChhZodHRwOi8v
cjMuaS5sZW5jci5vcmcvMBcGA1UdEQQQMA6CDG5vdHZhbGlkLmNvbTATBgNVHSAE
DDAKMAgGBmeBDAECATCCAQQGCisGAQQB1nkCBAIEgfUEgfIA8AB1ADtTd3U+LbmA
ToswWwb+QDtn2E/D9Me9AA0tcm/h+tQXAAABi4phUlUAAAQDAEYwRAIgElBcoFN+
JixgPhs/G6JTWsqlz1b/xrCfgdhrE4G3AMICIECyi3sEk4/bcbvDdxzPDDnfD5cm
CTPrYwzkLy033zdjAHcAdv+IPwq2+5VRwmHM9Ye6NLSkzbsp3GhCCp/mZ0xaOnQA
AAGLimFSmgAABAMASDBGAiEAr6nq7IwdZw3T4flwoWn8Ul1Hv3iGlutcCG/U4sd3
aiECIQCTFkyZf8WMUF0n+oz18NkP+W3OJukUFLUMxfhx4m15jTANBgkqhkiG9w0B
AQsFAAOCAQEACu93fi2P5oj4iy7Hyi9qHEnbrqbI+WOv2gqx2VNvrDjiozB7Kp5I
IfUvL1liN5ImKGZKuo6cXOByyI4/mFEWkD/DAjhaLFro4DBvopingmUWPw4Sh5N0
Uei3+jOkJYMm4m8KmPXMiitJxrvtY33e8Wndg7/9tYnlPxR1HJwme+v9qe4QBbfX
5fK4sPIAdvv/uwrc1ePlGryh9xMq3eZpxuAZlsmZEMb9VBpfbLD6Mv+zIpFdqtKp
vmW4571jg2Rzs/e4ox0WmdrzO3dEYBRrzzLtuM4upNSm/EPXZRa+PifrIi4vztPN
c82tsJw3wtcy37R6082zTJGrZIT5VrDB/g==
-----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 290343477146793983153194684611756707464165
 . . . . . . . . [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 2023-11-01 09:15:15 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-01-30 09:15:14 +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 'notvalid.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 804881555343448207220489500626588498906942367306065417078082606597449456972684885451804242342133238430440347681406314012245481056117709458637391412731057329588192360333118354663241545800387543683807011667778850626347985637738060115628076986372381114787546754011790180655284814417184051836135345124434368588771757617732335912496545035279015538806718365410595990158635833613456604356781176032970762699912918306944148071299084487562335708141041261240164155701351597626964620379915635481480100894633275388519069818157566234032265468910333843637842923949913977247041340025435877418474501317864591397355250054345437178668100937256998846414438497715527463588451285219020381145653236127403267210877947980896887285105540234842781385888029156318696690308377441751693058304614160108676056777419157557345060997165543920134590107929724547820993507505250381427860905014478284419810368659300668617225474745091663968822811581595521738690135229279746436098379586937106895330560342485952034763067261389842046883509219443096155903470414081461504259136870471254215118449596908002289232739646060514952827737197965696003794253051307296719643008599649476854263717423213439860437109418147911795771842609015450386417404018590940502949377938842308860391520313
 . . . . . . . . . . . . . . . . . . . . [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)
							15591523968c142e626e9b107519820d50a89b37
 . . . . . . . . . . . . . . . . [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 (16 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'notvalid.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)
							00f00075003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018b8a6152550000040300463044022012505ca0537e262c603e1b3f1ba2535acaa5cf56ffc6b09f81d86b1381b700c2022040b28b7b04938fdb71bbc3771ccf0c39df0f97260933eb630ce42f2d37df376300770076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018b8a61529a0000040300483046022100afa9eaec8c1d670dd3e1f970a169fc525d47bf788696eb5c086fd4e2c7776a2102210093164c997fc58c505d27fa8cf5f0d90ff96dce26e91414b50cc5f871e26d798d
 . . . . [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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