blog.lubna.io
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 04:44:97:53:a4:ef:4d:32:79:65:a4:8c:de:f1:9b:ca:0f:8f 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=blog.lubna.io
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 04:44:97:53:a4:ef:4d:32:79:65:a4:8c:de:f1:9b:ca:0f:8fSerial Number (int): 371789492410942179994618387402465280135055
Serial Number lenght: 139 bits, 18 octets
SubjectKeyId: c1:39:ef:eb:3f:02:a2:15:06:d3:4f:6e:11:77:50:9d:2b:0e:c5:49
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): d3:5d:e2:28:ad:2f:7c:29:7d:3c:1b:87:3a:62:05:db:d9:bb:ec:8c
Fingerprint (sha256): 73:d7:41:da:cb:73:7a:6d:9f:7f:d4:47:24:79:f1:7a:c2:0f:26:10:62:07:72:a1:65:9d:6b:5b:05:5c:34:62
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate blog.lubna.io
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for blog.lubna.io
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
blog.lubna.io
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Certificate
The complete raw certificate details for blog.lubna.io in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIFUTCCBDmgAwIBAgISBESXU6TvTTJ5ZaSM3vGbyg+PMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0yMDAxMzEwMjI4MTBaFw0y MDA0MzAwMjI4MTBaMBgxFjAUBgNVBAMTDWJsb2cubHVibmEuaW8wggEiMA0GCSqG SIb3DQEBAQUAA4IBDwAwggEKAoIBAQCjfocT9et57k/mxtvcdrQCMxMvFIr+1YRX uniVZXc6wJ6urvEvq35RaVkGj0aJNw3PBOQ2scrrHm726ONuflCpaEB4+7BA52l6 MrB0aPARbJIMHCXWokv1ZVfcolbGMqAA5GNWX2dSw+epCoKgsyHM2rF61dw7p/pR R+2g+YBpe1tmGpMPfd9WbErGxilNJsBKES9uScPckhC4FvUsywpb3RRa6Js/S6tr Nd6aWAFyVfKpgnAHQ7sVYaraUyHwSxbaRwtPcjBAjxaZX58YTkjt5Tv5B/Pl5y3G pq5aabhjQdGR0EN+VW1LjY/kOwgIi5k1B1BhRslNL7/T9YziJmfzAgMBAAGjggJh MIICXTAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0lBBYwFAYIKwYBBQUHAwEGCCsGAQUF BwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYEFME57+s/AqIVBtNPbhF3UJ0rDsVJ MB8GA1UdIwQYMBaAFKhKamMEfd265tE5t6ZFZe/zqOyhMG8GCCsGAQUFBwEBBGMw YTAuBggrBgEFBQcwAYYiaHR0cDovL29jc3AuaW50LXgzLmxldHNlbmNyeXB0Lm9y ZzAvBggrBgEFBQcwAoYjaHR0cDovL2NlcnQuaW50LXgzLmxldHNlbmNyeXB0Lm9y Zy8wGAYDVR0RBBEwD4INYmxvZy5sdWJuYS5pbzBMBgNVHSAERTBDMAgGBmeBDAEC ATA3BgsrBgEEAYLfEwEBATAoMCYGCCsGAQUFBwIBFhpodHRwOi8vY3BzLmxldHNl bmNyeXB0Lm9yZzCCAQMGCisGAQQB1nkCBAIEgfQEgfEA7wB1AF6nc/nfVsDntTZI fdBJ4DJ6kZoMhKESEoQYdZaBcUVYAAABb/mkSQIAAAQDAEYwRAIgd9+SXLUceUrN 9ZJTywABeZz2cfRhV+wOz1Y9i9KEIVUCIHU4D6iju6iWmOTyZ+744cmdvFxwSEX2 +92hvPRfpvltAHYAB7dcG+V9aP/xsMYdIxXHuuZXfFeUt2ruvGE6GmnTohwAAAFv +aRJFwAABAMARzBFAiEA0qWD/Dt/DQHV00Vz7PtVOw7owAkBiJpTHO6mF8Hprf8C IBwey1EwQIGM50C+7L1wmhDZi5CZY04Z62L/7edYA4CFMA0GCSqGSIb3DQEBCwUA A4IBAQAULBiuuGV2kIwQ1avq+s0i0VSL4vvYM6/LucOOapWdfDda7RMf7fOoGRXP 6f1EitxrAWiYx6SiaaRMYJf6cDcyTxxkT879m8HFs65swlrhAUos5fvfJikmHoht R407Pn/J4id58IpE51m4vIYXbtwjhH4KjZbGxV2n4dEHoWMMBsiN+QXVoIfobMnk NASqbqhbLhCVUMOH3GxvIcfgP24zu2JwcuAiD1bCPJx12DKrFBii4T/FkIsO4Qru M3bXg8fDb7MPy5GM2Et1Jnyh5yH9pJZz9USDIYSU4KINYQ1CFLEAwYK9UfHWidhP 5DhJc3S9YGwR2wzEWTP6UuK3qZrv -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAo36HE/Xree5P5sbb3Ha0 AjMTLxSK/tWEV7p4lWV3OsCerq7xL6t+UWlZBo9GiTcNzwTkNrHK6x5u9ujjbn5Q qWhAePuwQOdpejKwdGjwEWySDBwl1qJL9WVX3KJWxjKgAORjVl9nUsPnqQqCoLMh zNqxetXcO6f6UUftoPmAaXtbZhqTD33fVmxKxsYpTSbAShEvbknD3JIQuBb1LMsK W90UWuibP0urazXemlgBclXyqYJwB0O7FWGq2lMh8EsW2kcLT3IwQI8WmV+fGE5I 7eU7+Qfz5ectxqauWmm4Y0HRkdBDflVtS42P5DsICIuZNQdQYUbJTS+/0/WM4iZn 8wIDAQAB -----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 371789492410942179994618387402465280135055 . . . . . . . . [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 2020-01-31 02:28:10 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-04-30 02:28:10 +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 'blog.lubna.io' . . . . . . . . [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 20639236818279602476742275859202800849868292420310864455747018393011761164376243145218864722210715728442750147156234634020117541475407992654362609204944029481208564449877034840205701688702265636952428005439012373694145497078803754537701009576749622824327347834900925345122385369806753004496777959198575319796500727325273961505975094443049646939998126950676723363073305346495848880718620599721127430162554699765755461802039568814906450856031081162180622861524397141364738415399164969136493414949150285576185100230092954083033684346401840556272288718756767922434574597665695242472902686102731337299496715080721429325811 . . . . . . . . . . . . . . . . . . . . [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) c139efeb3f02a21506d34f6e1177509d2b0ec549 . . . . . . . . . . . . . . . . [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 (17 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'blog.lubna.io' . . . . . . . . . . . . . . . . [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 (244 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes) 00ef0075005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016ff9a449020000040300463044022077df925cb51c794acdf59253cb0001799cf671f46157ec0ecf563d8bd2842155022075380fa8a3bba89698e4f267eef8e1c99dbc5c704845f6fbdda1bcf45fa6f96d00760007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016ff9a449170000040300473045022100d2a583fc3b7f0d01d5d34573ecfb553b0ee8c00901889a531ceea617c1e9adff02201c1ecb513040818ce740beecbd709a10d98b9099634e19eb62ffede758038085 . . . . [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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