librari.com
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 04:db:8e:d2:f3:50:f2:0d:33:3f:05:1e:56:8f:6a:e0:6c:91 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=librari.com
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 04:db:8e:d2:f3:50:f2:0d:33:3f:05:1e:56:8f:6a:e0:6c:91Serial Number (int): 423160827775506958471641653898342150728849
Serial Number lenght: 139 bits, 18 octets
SubjectKeyId: 74:8b:76:bf:2e:ed:f5:18:f1:42:95:89:2c:b3:e7:99:23:87:cb:bc
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): b7:99:2f:03:da:9a:5f:95:e8:b8:4b:72:4e:f0:78:56:ce:1b:97:9a
Fingerprint (sha256): 39:f0:11:80:15:8f:62:51:a1:9d:26:e4:0a:11:d6:ca:cd:18:5e:d5:0e:15:8e:01:97:1b:39:e8:20:a3:d1:8a
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate librari.com
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for librari.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
librari.com
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www.librari.com
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librari.com
Certificate
The complete raw certificate details for librari.com in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGTjCCBTagAwIBAgISBNuO0vNQ8g0zPwUeVo9q4GyRMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTAxMDYwMzA0MDlaFw0x OTA0MDYwMzA0MDlaMBYxFDASBgNVBAMTC2xpYnJhcmkuY29tMIICIjANBgkqhkiG 9w0BAQEFAAOCAg8AMIICCgKCAgEAmNGO0fMf3L29RflGuEbrhTerZEwr4z8p/HNZ DwlqD3IiE1pEdHsZMxV3DWz8lDLhXb9SPaJF/2DKGsRYgVeXnOGo6ZNrGsysLtWL gf2pzowanexxwHel2FnnGrwsZPkj7uagqVZ5kvKQh6fnNEA2F6dJ3app2mysp8D5 9OW4HR2HcmzkI/JVuANob5T/fmdsvUGcc/S6R0dmu2USxu/U62CXcFslslBCvEP1 MlB8gzfuNOC9AE+t2ExUqWnLJPMHJRStRRsN0xkH35fcsE5VuZoKVwo6PR+luyHG MaFGiyBOlnzbqZbLBPqnJCNO83++sW/V+kjj/uBMNlGIPbNLJ0iOKpe2UHX/AXAb OHEUNAn3DniUg2E1VkFxaaoOXts3bRuZUHJMg8bgYUUKvF6SVLQp0c/4XInQtsgA yEd/Z3F83+CMb+igJ8rwnjTxWXtxSNMkdD8SZeigMvvT4tM+HarDBBPdh3y8kuNx Bnt5+QZkIEYdOo4DLc8yHHa9TwINmR6LbYwAZAjpfmx65Q55qRho2vM7A0Cdf6ry YWMO7H2bwvyorwlq2B4npLUR+GRRzLy2Heywz4qgjp5F1GhTFLwtJmmyWKsaahxy QKGzMyzLmnfDBhPGnstwqlLIb0RFAOewUEqniLPF9itfolLcVw9TmQjpQWHMRuG7 Mw8HqhUCAwEAAaOCAmAwggJcMA4GA1UdDwEB/wQEAwIFoDAdBgNVHSUEFjAUBggr BgEFBQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQUdIt2vy7t 9RjxQpWJLLPnmSOHy7wwHwYDVR0jBBgwFoAUqEpqYwR93brm0Tm3pkVl7/Oo7KEw bwYIKwYBBQUHAQEEYzBhMC4GCCsGAQUFBzABhiJodHRwOi8vb2NzcC5pbnQteDMu bGV0c2VuY3J5cHQub3JnMC8GCCsGAQUFBzAChiNodHRwOi8vY2VydC5pbnQteDMu bGV0c2VuY3J5cHQub3JnLzAWBgNVHREEDzANggtsaWJyYXJpLmNvbTBMBgNVHSAE RTBDMAgGBmeBDAECATA3BgsrBgEEAYLfEwEBATAoMCYGCCsGAQUFBwIBFhpodHRw Oi8vY3BzLmxldHNlbmNyeXB0Lm9yZzCCAQQGCisGAQQB1nkCBAIEgfUEgfIA8AB2 AOJpS64m6OlACeiGG7Y7g9Q+5/50iPukjyiTAZ3d8dv+AAABaCFVEokAAAQDAEcw RQIhAN/Wwn0RGyxNvYtcQiR4Wqsz/yU1Z1Ch9Jiw+mdL29xfAiACEKRSJDoNj+kl /pifQSY2LayotTkMF5SYWf4AprnUuQB2ACk8UZZUyDlluqpQ/FgH1Ldvv1h6KXLc pMMM9OVFR/R4AAABaCFVEogAAAQDAEcwRQIhAP99zCD79FX9N9QdChSLTAMUxZnI G9GL58o8V93+KMQDAiB3+BAdjgjyNxHU9rDGukVsEAfNYZ4+FGSpy1IFMSNbWDAN BgkqhkiG9w0BAQsFAAOCAQEAKoos07jNU+gjcmIYa2HvbZ4qWtXTh9NK2+9eEKDg GcyYoiyc0bfcyWtiWqKHs4q8IcskQDwF/I4OoQhryjEXGbIGVG3EthSiKAV6SorE wLPgPC+y90x/7DXhIri6KC+FDAug7K6BaxDiWTwNnkfZKmEPcOEMxCeieLo8KPjD xri8HaFR5k+T4FKyHsO0nFMijEBKkZDRX19FEJYkyv7OrtAOpHS/vqEOGYKPXmMO N9TMNuR+pJ4xEBA2+4r+/B3Op99SAfkgNamWmcirs6Eim9bmY47Lv2AJ5kmKJ3qg ivJseOyVPkHiM8e8L4vOBdpGPrvcz6qecoxkWFkCIAZ0eA== -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAmNGO0fMf3L29RflGuEbr hTerZEwr4z8p/HNZDwlqD3IiE1pEdHsZMxV3DWz8lDLhXb9SPaJF/2DKGsRYgVeX nOGo6ZNrGsysLtWLgf2pzowanexxwHel2FnnGrwsZPkj7uagqVZ5kvKQh6fnNEA2 F6dJ3app2mysp8D59OW4HR2HcmzkI/JVuANob5T/fmdsvUGcc/S6R0dmu2USxu/U 62CXcFslslBCvEP1MlB8gzfuNOC9AE+t2ExUqWnLJPMHJRStRRsN0xkH35fcsE5V uZoKVwo6PR+luyHGMaFGiyBOlnzbqZbLBPqnJCNO83++sW/V+kjj/uBMNlGIPbNL J0iOKpe2UHX/AXAbOHEUNAn3DniUg2E1VkFxaaoOXts3bRuZUHJMg8bgYUUKvF6S VLQp0c/4XInQtsgAyEd/Z3F83+CMb+igJ8rwnjTxWXtxSNMkdD8SZeigMvvT4tM+ HarDBBPdh3y8kuNxBnt5+QZkIEYdOo4DLc8yHHa9TwINmR6LbYwAZAjpfmx65Q55 qRho2vM7A0Cdf6ryYWMO7H2bwvyorwlq2B4npLUR+GRRzLy2Heywz4qgjp5F1GhT FLwtJmmyWKsaahxyQKGzMyzLmnfDBhPGnstwqlLIb0RFAOewUEqniLPF9itfolLc Vw9TmQjpQWHMRuG7Mw8HqhUCAwEAAQ== -----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 423160827775506958471641653898342150728849 . . . . . . . . [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 2019-01-06 03:04:09 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-04-06 03:04:09 +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 'librari.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 623445435867357099376726616649674612053615568453037924257319942528081661886649838932581716461687500491079583181749675680486247213811276721394742687631564861531579957125639964598883084902480014892262438234461519143441321545418858412068667391581892033942478008923985480051941397795045217724403742255197766589099687190530823376070695044629881739823584405713723936809341643478160785045645674460871599528920215589845782670926245400858879446424322944019572262264985053463961398858989569459561576731712439225336970086061688327952463243292740369505511377734600459830534816488892526639905936075828739877012289172918890837062891830245093271311364675805960669193938721550102781733219340868484272334569377016517202000508424800655054249963123510393627493876341459563953035207247485730121358648553272133636812419193811753009242823025916500348759040217655738539608977861217816213525953115698166873978275262830081605651222167009099506183366428254491660550116499448497057746946528402591605025758064447672411223567573689279536174884748877196760553409434328644268299330054332902517833667449432226090660128175522568122110687646459138923889711522020285725085518067028371086135492058796038788959112816411905999301159126687025038282970107144155296694774293 . . . . . . . . . . . . . . . . . . . . [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) 748b76bf2eedf518f14295892cb3e7992387cbbc . . . . . . . . . . . . . . . . [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 (15 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'librari.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 (245 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes) 00f0007600e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe00000168215512890000040300473045022100dfd6c27d111b2c4dbd8b5c4224785aab33ff25356750a1f498b0fa674bdbdc5f02200210a452243a0d8fe925fe989f4126362daca8b5390c17949859fe00a6b9d4b9007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f47800000168215512880000040300473045022100ff7dcc20fbf455fd37d41d0a148b4c0314c599c81bd18be7ca3c57ddfe28c403022077f8101d8e08f23711d4f6b0c6ba456c1007cd619e3e1464a9cb520531235b58 . . . . [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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