segfaults.io
Issued by Let's Encrypt Authority X1
About this certificate
This digital certificate with serial number 01:4b:f6:80:df:15:73:50:bc:5f:a7:63:eb:bb:64:4a:15:27 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=segfaults.io
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 01:4b:f6:80:df:15:73:50:bc:5f:a7:63:eb:bb:64:4a:15:27Serial Number (int): 112961122676468434575934264193125978871079
Serial Number lenght: 137 bits, 18 octets
SubjectKeyId: 95:90:b5:1c:a8:71:e5:dd:e9:99:f0:8d:70:65:4f:34:19:dc:1e:df
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 05:c4:2c:39:a2:6a:e5:62:9e:44:90:85:88:ac:58:60:b4:10:ee:55
Fingerprint (sha256): da:d8:4b:49:1f:26:00:d5:d5:eb:25:7b:69:13:9a:77:46:38:d9:c8:c3:74:f7:8b:e8:9b:67:44:ca:31:68:eb
Issuing Certificate URL: http://cert.int-x1.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x1.letsencrypt.org/Check the revocation status for certificate segfaults.io
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for segfaults.io
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
8 extensions
No
unhandled critical extensions
CA Certificate
This is not a CA certificate
Subject Alternative Names
segfaults.io
Other certificates including the domain name segfaults.io
(limited to 100 certificates)
Certificate
The complete raw certificate details for segfaults.io in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIF/DCCBOSgAwIBAgISAUv2gN8Vc1C8X6dj67tkShUnMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMTAeFw0xNTEyMDgyMjM2MDBaFw0x NjAzMDcyMjM2MDBaMBcxFTATBgNVBAMTDHNlZ2ZhdWx0cy5pbzCCAiIwDQYJKoZI hvcNAQEBBQADggIPADCCAgoCggIBAMDYwcOZO/F6RF68p8HauWyVGeTChF5Gl1qc 0oBN40J5XE7lS+fpflVf/m+QYzIztJ+/dCDdpq8xWM9FC/29AOObbjXwM3NJqIL5 S3iJOfvTw4954v35hvolto8TIuYhPBdS9Q6Tz6cufcQjowW5ynEPvklufaiXFxgr hYmTixK7TEJj3Anth44pQrT+pMzr/ZiJTLEwtgwrSnELdxIJpT8x2IxdO2DiLl72 tF/QVQ+LRI9r93n83QO+pwDgiFXGX64pJ/L8ZzgeH7tg2ChPEQNCbRhikukgJCj8 eMBMw4PdAm0GMzpMUbDDc2E6lUtCmp2n573O5uaRRNKASkaW/2aRs9RzFeGOlGNl bIryufERT3IfFrGRpBUyQX3qQVBZdjsAvIce1ENtjEtOr+dNk9P23yYK36ExYSI3 uDMXQioYUAFiqimXiKf6RA04y7WpyQLl7URW2ow6LrhBIAvQC1dKEt/EqeSUB713 jBqVkamLRL9Da83JER/Y4Y6Pzgrs+t8E7sBPNyj3CytedIHFEv/AS83QWDTTXNAG ubl6oYsBTjaFObEIJBxH87JyELmqG2Un7PTAWAWi5UDbfPkr1Ps1jnh8EwY1Ealt +UiBDFWNBsopwVGtsTuzR4BhxH6eBDHjVI80fMJ876bPoQU6LAGD2z7JJTtllgTC VTsnlez9AgMBAAGjggINMIICCTAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0lBBYwFAYI KwYBBQUHAwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYEFJWQtRyo ceXd6ZnwjXBlTzQZ3B7fMB8GA1UdIwQYMBaAFKhKamMEfd265tE5t6ZFZe/zqOyh MHAGCCsGAQUFBwEBBGQwYjAvBggrBgEFBQcwAYYjaHR0cDovL29jc3AuaW50LXgx LmxldHNlbmNyeXB0Lm9yZy8wLwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0LmludC14 MS5sZXRzZW5jcnlwdC5vcmcvMBcGA1UdEQQQMA6CDHNlZ2ZhdWx0cy5pbzCB/gYD VR0gBIH2MIHzMAgGBmeBDAECATCB5gYLKwYBBAGC3xMBAQEwgdYwJgYIKwYBBQUH AgEWGmh0dHA6Ly9jcHMubGV0c2VuY3J5cHQub3JnMIGrBggrBgEFBQcCAjCBngyB m1RoaXMgQ2VydGlmaWNhdGUgbWF5IG9ubHkgYmUgcmVsaWVkIHVwb24gYnkgUmVs eWluZyBQYXJ0aWVzIGFuZCBvbmx5IGluIGFjY29yZGFuY2Ugd2l0aCB0aGUgQ2Vy dGlmaWNhdGUgUG9saWN5IGZvdW5kIGF0IGh0dHBzOi8vbGV0c2VuY3J5cHQub3Jn L3JlcG9zaXRvcnkvMA0GCSqGSIb3DQEBCwUAA4IBAQBmizf/W3xkpCzY4TmRNvZg zraLrgY+X06z9JaHTD1hGHxF05vB46dD6guEtZZG3wF5UHabUL3FjaZlyAkxQXLM cSPXB27eGk6FzmmtWExcKOJxMjZ6q/Ntin68+IKZEsw4faM0cplB+CDw3RnmoPA6 bZtR2ILutQUcPdYu3xyyOfU51BsH8TvMDDfAWK3YAtCri7PYLUJhMrbXEUmaScmR H3We9UKLWnWAsJi+7rzHVurIIcogZSEPJS90oS21yjCygtYec3/dUtZMPFH/dlpf VY4av4xfOGdBg/v4mlCqRIq5TS9jJNg2ayZtVTFFrscY/wBLx5UTaVcGZmCg4BnG -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAwNjBw5k78XpEXrynwdq5 bJUZ5MKEXkaXWpzSgE3jQnlcTuVL5+l+VV/+b5BjMjO0n790IN2mrzFYz0UL/b0A 45tuNfAzc0mogvlLeIk5+9PDj3ni/fmG+iW2jxMi5iE8F1L1DpPPpy59xCOjBbnK cQ++SW59qJcXGCuFiZOLErtMQmPcCe2HjilCtP6kzOv9mIlMsTC2DCtKcQt3Egml PzHYjF07YOIuXva0X9BVD4tEj2v3efzdA76nAOCIVcZfrikn8vxnOB4fu2DYKE8R A0JtGGKS6SAkKPx4wEzDg90CbQYzOkxRsMNzYTqVS0Kanafnvc7m5pFE0oBKRpb/ ZpGz1HMV4Y6UY2VsivK58RFPch8WsZGkFTJBfepBUFl2OwC8hx7UQ22MS06v502T 0/bfJgrfoTFhIje4MxdCKhhQAWKqKZeIp/pEDTjLtanJAuXtRFbajDouuEEgC9AL V0oS38Sp5JQHvXeMGpWRqYtEv0NrzckRH9jhjo/OCuz63wTuwE83KPcLK150gcUS /8BLzdBYNNNc0Aa5uXqhiwFONoU5sQgkHEfzsnIQuaobZSfs9MBYBaLlQNt8+SvU +zWOeHwTBjURqW35SIEMVY0GyinBUa2xO7NHgGHEfp4EMeNUjzR8wnzvps+hBTos AYPbPsklO2WWBMJVOyeV7P0CAwEAAQ== -----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 112961122676468434575934264193125978871079 . . . . . . . . [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 X1' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2015-12-08 22:36:00 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2016-03-07 22:36:00 +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 'segfaults.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 (4208 bits) . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 786745922637785529317040972765321907078072796828966000605556631372533240066385435304812663204555978955947532587968714059501762627685254636584910433714842329271880622794029641542930018175408881242294078832248656448290852827197117939506654820528513475222231607150054460119610028974162281761998678752260982242752104658915031245404953298715116388327010614696240725045010887566636590455959080346096991008789199920166504753559305067939187692479899035380615298530110713640391715591000374162325872894003215796373835503953929589678918986704727500835948204506651225159341264601986739691326059594923556343682799549294143733592900936124820386368986770188150596078853449799589343029785734201243456368372463312719168536511404159592777204183461665237602933814010359311947288907673662704643604288428670518182262632056036109780726250041770877006875248249506094230402527946425601165724050408292806861909883394036604424403228656571800202454491917139478239199460692014870220170978946201921596679273383279299241982430423538459536718823943293782277579065941070553331493699707999012581211748068103936152394216014918012881329598837260457223157074471265067437395184374092616592799836689914786581097360864855034000485693186193231686198294145891473246194625789 . . . . . . . . . . . . . . . . . . . . [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) 9590b51ca871e5dde999f08d70654f3419dc1edf . . . . . . . . . . . . . . . . [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 (100 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-x1.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-x1.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 (16 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'segfaults.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 (246 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 1.3.6.1.5.5.7.2.2 (unotice) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:12|false] UTF8String 'This Certificate may only be relied upon by Relying Parties and only in accordance with the Certificate Policy found at https://letsencrypt.org/repository/' . . . . [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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