www.fer.as
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:35:3a:41:17:04:0b:f0:e5:2e:b0:13:20:bc:1b:91:cf:8e 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=www.fer.as
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:35:3a:41:17:04:0b:f0:e5:2e:b0:13:20:bc:1b:91:cf:8eSerial Number (int): 279449256431957837481488209726265132961678
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 67:71:55:16:46:f9:27:5b:96:13:85:6a:1a:f8:d2:ea:22:e1:4e:64
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): bc:02:d0:ec:75:1d:87:06:e3:d0:86:99:74:85:f8:c1:3d:8d:53:de
Fingerprint (sha256): 2e:f6:8b:33:d3:78:d1:74:d7:cf:2e:99:f2:99:51:b9:06:be:45:07:f8:ff:3e:0b:27:68:23:09:f9:89:66:9d
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate www.fer.as
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for www.fer.as
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
www.fer.as
Other certificates including the domain name fer.as
(limited to 100 certificates)
Certificate
The complete raw certificate details for www.fer.as in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIFTTCCBDWgAwIBAgISAzU6QRcEC/DlLrATILwbkc+OMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTEyMjkyMjU0MTNaFw0y MDAzMjgyMjU0MTNaMBUxEzARBgNVBAMTCnd3dy5mZXIuYXMwggEiMA0GCSqGSIb3 DQEBAQUAA4IBDwAwggEKAoIBAQDATB9T9GK9aeuvpjvtusjegV0oKIu5Ns+9Tzme gCn3uvwkC5wPpo1sPLJefD4IZ8awjeYR6RZMkpvJEoKTxFS8kMp47Tl6QjAXITTv HncqYiPhrYZ50FPD5iq6pPNzo2TLsgNm7jsgm/0Gs8jN4m6QHNkAoM8jqfsthJlL ab2TBLzCbxAiTJfVPvK6IZSEK3MaUjnJlf3XEa56fycTqUviQdk9Mn/9v2Vs124X /yvyLrkOdABBMn/SdhCFD9e+ttkUTX8Q9YJTTPvVhMWQfYgEEZyXSiLVZP3cdmK2 CcHW0Bp6X3Mqy1RB8zCOFMymQaKMIJC2hRqixHkqzts16SktAgMBAAGjggJgMIIC XDAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0lBBYwFAYIKwYBBQUHAwEGCCsGAQUFBwMC MAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYEFGdxVRZG+SdblhOFahr40uoi4U5kMB8G A1UdIwQYMBaAFKhKamMEfd265tE5t6ZFZe/zqOyhMG8GCCsGAQUFBwEBBGMwYTAu BggrBgEFBQcwAYYiaHR0cDovL29jc3AuaW50LXgzLmxldHNlbmNyeXB0Lm9yZzAv BggrBgEFBQcwAoYjaHR0cDovL2NlcnQuaW50LXgzLmxldHNlbmNyeXB0Lm9yZy8w FQYDVR0RBA4wDIIKd3d3LmZlci5hczBMBgNVHSAERTBDMAgGBmeBDAECATA3Bgsr BgEEAYLfEwEBATAoMCYGCCsGAQUFBwIBFhpodHRwOi8vY3BzLmxldHNlbmNyeXB0 Lm9yZzCCAQUGCisGAQQB1nkCBAIEgfYEgfMA8QB2APCVpFnyANGCQBAtL5OIjq1L /h1H45nh0DSmsKiqjrJzAAABb1QU6IMAAAQDAEcwRQIgaDDsaW9pn89Z8z8lgne0 G7kbTkS8ANTdEwq3nS8Rk5wCIQCLHNovejLOm5aODJE5LRjFpM517BV7/MRHJY+C NPo4IwB3ALIeBcyLos2KIE6HZvkruYolIGdr2vpw57JJUy3vi5BeAAABb1QU6HMA AAQDAEgwRgIhAMrELTIKHLoqs43V0pgIsLxZkYJHx4BFai0U97dHCO1tAiEA+W1K TRXkpciHGvZv3DlfniczKplOczuD693wnsAw8kswDQYJKoZIhvcNAQELBQADggEB AEjNgjTZ/oAAd1HIbQ/iWn8Btaxkk8iCGxHHswBhnA+dssc7x6c9LgM2BeefLPtm fhZP4g/Jkwk+j4ntyatws7ZIJiBVLdwE4he07Lvx9qkwybnuXaflHpq9LxS0KEQJ d/RQbMq7bHhH/cfSQMWWPe6yrqBrcFOr1xG8u8PIZTKpRKwirfAnzthlErDiAvp+ WwXds5BZ1PW6ILNWXsSn8wXpLP4eOEkDdV+KT8456cGkVDLajfJ+nS0tIw6wvsDB obkWGgrXVAR6+f+XntaTMscVwwkF5qdJI8LkNR345rw3M6qsFggirKWW0V4ZJ42L 7g9LOtDmQKniQFLIidHBs0s= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwEwfU/RivWnrr6Y77brI 3oFdKCiLuTbPvU85noAp97r8JAucD6aNbDyyXnw+CGfGsI3mEekWTJKbyRKCk8RU vJDKeO05ekIwFyE07x53KmIj4a2GedBTw+YquqTzc6Nky7IDZu47IJv9BrPIzeJu kBzZAKDPI6n7LYSZS2m9kwS8wm8QIkyX1T7yuiGUhCtzGlI5yZX91xGuen8nE6lL 4kHZPTJ//b9lbNduF/8r8i65DnQAQTJ/0nYQhQ/XvrbZFE1/EPWCU0z71YTFkH2I BBGcl0oi1WT93HZitgnB1tAael9zKstUQfMwjhTMpkGijCCQtoUaosR5Ks7bNekp LQIDAQAB -----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 279449256431957837481488209726265132961678 . . . . . . . . [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 2019-12-29 22:54:13 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-28 22:54:13 +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 'www.fer.as' . . . . . . . . [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 24275291895531067895969982438497950879556172063801710710761872686260306575017923087161577791287399411546415776815531791811526168443343673162892215813804209034765010812026820460963693966482372677985218386265794613668822564440273764738088395827797856010611359112118682542718562019158324271907676573537502481694559651015093545217914792270513905583797949202271486873121197043259989896172005979975781855769588964673104932348863163461154990670366262790900196992410014926923469798235712798095457343893188908683861820265544808234263164547281037987387272176197835071417962841873411834516308664559359384737020113155825236257069 . . . . . . . . . . . . . . . . . . . . [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) 6771551646f9275b9613856a1af8d2ea22e14e64 . . . . . . . . . . . . . . . . [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 (14 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.fer.as' . . . . . . . . . . . . . . . . [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 (246 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes) 00f1007600f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000016f5414e883000004030047304502206830ec696f699fcf59f33f258277b41bb91b4e44bc00d4dd130ab79d2f11939c0221008b1cda2f7a32ce9b968e0c91392d18c5a4ce75ec157bfcc447258f8234fa3823007700b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016f5414e8730000040300483046022100cac42d320a1cba2ab38dd5d29808b0bc59918247c780456a2d14f7b74708ed6d022100f96d4a4d15e4a5c8871af66fdc395f9e27332a994e733b83ebddf09ec030f24b . . . . [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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