cassis.co
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:9c:58:4e:fa:b7:33:d0:d4:f4:f2:78:9f:47:5d:36:5b:30 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=cassis.co
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:9c:58:4e:fa:b7:33:d0:d4:f4:f2:78:9f:47:5d:36:5b:30Serial Number (int): 314538289182848369404288217687009999084336
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: d4:b8:f7:96:e8:97:6f:10:f8:a3:67:14:16:6e:03:aa:68:12:54:d1
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): bb:f2:0d:c9:a5:99:c0:7f:8b:22:ec:cd:34:37:be:34:51:5a:e1:d7
Fingerprint (sha256): 85:6d:0c:f1:32:1d:4d:11:cc:08:3b:f4:e6:18:7a:c4:29:f0:84:ee:fe:53:76:d8:55:bf:29:79:d0:10:d7:ea
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate cassis.co
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for cassis.co
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
cassis.co
Other certificates including the domain name cassis.co
(limited to 100 certificates)
Certificate
The complete raw certificate details for cassis.co in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGSzCCBTOgAwIBAgISA5xYTvq3M9DU9PJ4n0ddNlswMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTAzMTExOTQyNDhaFw0x OTA2MDkxOTQyNDhaMBQxEjAQBgNVBAMTCWNhc3Npcy5jbzCCAiIwDQYJKoZIhvcN AQEBBQADggIPADCCAgoCggIBAMp39ieEciK4u3p8VTp0MV2lUP3os+LePzLWQIw8 OQfFJYeYLCMQWk5sFHFZnk91TFsJsz4jpl4VhiukfoyBtcmsNSt3D+YQUC5mAdYh WTSXYt61D2ukWVQmqkrDEU5IuENXXA5jhDfXuU+zeUmQYGfFdMy4FZo2+GakcHm3 nVIPwHAUaQk3XzAExQ3ge8j7Sgb1oPy7qNRKypZC42yC93MboCaoiSuiRktU8fdJ 3uEmX2DwvJCelUq8LwmePAmXuf3mXd10we3P6myPWo6Pv1mVe7tFeXG0dUIMtkcL 4ulh9MMS8o5oXesl83ecCLPn83YRUiVjJTE4D2kivk2OywWjT/OL9P/r2Y8RJ8QN fzAz0SP3+YfX11yTvEBMPBVAkEwXbnmSBtmuhZfz59PA9I+TePGYEpYsUc+dR/XZ KLiKjqYbh4JzaU2UxWzk6VQS1V8u7kjrkdMM6QCDNU+RLogdzFT9Dry8PD4mUehk jrELOqqjjUouhxt0NVZ1/I6gKsXcCow7pMpeKMTNd2H/7QnlfXTTFAmhaC/xbSCE 3sb1oAFIAcfufNNuchZ+P6pf/6S57ufugFkqatuTB1H/YesSmzpcK6BRQnz3GerK Bpyw/e9+U1gMUexr/upAef78gdrVIYN4VPHv2mF2sSkx1U83KoXBphDCP+xCDGDp 6tcdAgMBAAGjggJfMIICWzAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0lBBYwFAYIKwYB BQUHAwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYEFNS495bol28Q +KNnFBZuA6poElTRMB8GA1UdIwQYMBaAFKhKamMEfd265tE5t6ZFZe/zqOyhMG8G CCsGAQUFBwEBBGMwYTAuBggrBgEFBQcwAYYiaHR0cDovL29jc3AuaW50LXgzLmxl dHNlbmNyeXB0Lm9yZzAvBggrBgEFBQcwAoYjaHR0cDovL2NlcnQuaW50LXgzLmxl dHNlbmNyeXB0Lm9yZy8wFAYDVR0RBA0wC4IJY2Fzc2lzLmNvMEwGA1UdIARFMEMw CAYGZ4EMAQIBMDcGCysGAQQBgt8TAQEBMCgwJgYIKwYBBQUHAgEWGmh0dHA6Ly9j cHMubGV0c2VuY3J5cHQub3JnMIIBBQYKKwYBBAHWeQIEAgSB9gSB8wDxAHYAdH7a gzGtMxCRIZzOJU9CcMK//V5CIAjGNzV55hB7zFYAAAFpbn5aZgAABAMARzBFAiEA +UooaGwCk9LfeLhqgWtxl0IMWyMuSl4ue5VssfEs4OQCIEKlwp6igCs6snVFMZPf b5yInP4x107fOs47WWWv1rK5AHcAKTxRllTIOWW6qlD8WAfUt2+/WHopctykwwz0 5UVH9HgAAAFpbn5aTQAABAMASDBGAiEAmDUwJmdNr2K8cNeG6kC6vpbyOAwZQ0Jt Qa5Ds+rI+BACIQDJQnNrYIk8WSzhnozKhqkMZVj2b+uAeVV1a4slKXJILTANBgkq hkiG9w0BAQsFAAOCAQEAPZLxW0os/pVQYexAi9M6OchRjL6/baj7eBG45RadNmxY W/k39ldzVL696dbPEFUoJbebw5OQoBX1wz5oLYYGyGwjQ0uo+KGB+dJlmnt8uQfY TdLU+wEmzCynmovVdvpuDoibkWYBX6WCTDhhdU1nOmP8umR87ZtAwvLjdVbrMW6T 8Csz9q8oUet89guNOs7dZ00n4jIXk2nW0sir8vYp8CW7m/gSEDnJ/c9+Ti6zViIx Q4H9uB9C0iyfg49vsek43z39RzDPh5ck7O+T0llFvH4vM4KssdbR/TFiqXOQH2u3 33+q18lK3t92Dhuz+SPx/BaL2Sq3GQvmeXuD6KZ9Pw== -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAynf2J4RyIri7enxVOnQx XaVQ/eiz4t4/MtZAjDw5B8Ulh5gsIxBaTmwUcVmeT3VMWwmzPiOmXhWGK6R+jIG1 yaw1K3cP5hBQLmYB1iFZNJdi3rUPa6RZVCaqSsMRTki4Q1dcDmOEN9e5T7N5SZBg Z8V0zLgVmjb4ZqRwebedUg/AcBRpCTdfMATFDeB7yPtKBvWg/Luo1ErKlkLjbIL3 cxugJqiJK6JGS1Tx90ne4SZfYPC8kJ6VSrwvCZ48CZe5/eZd3XTB7c/qbI9ajo+/ WZV7u0V5cbR1Qgy2Rwvi6WH0wxLyjmhd6yXzd5wIs+fzdhFSJWMlMTgPaSK+TY7L BaNP84v0/+vZjxEnxA1/MDPRI/f5h9fXXJO8QEw8FUCQTBdueZIG2a6Fl/Pn08D0 j5N48ZgSlixRz51H9dkouIqOphuHgnNpTZTFbOTpVBLVXy7uSOuR0wzpAIM1T5Eu iB3MVP0OvLw8PiZR6GSOsQs6qqONSi6HG3Q1VnX8jqAqxdwKjDukyl4oxM13Yf/t CeV9dNMUCaFoL/FtIITexvWgAUgBx+58025yFn4/ql//pLnu5+6AWSpq25MHUf9h 6xKbOlwroFFCfPcZ6soGnLD9735TWAxR7Gv+6kB5/vyB2tUhg3hU8e/aYXaxKTHV TzcqhcGmEMI/7EIMYOnq1x0CAwEAAQ== -----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 314538289182848369404288217687009999084336 . . . . . . . . [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 2019-03-11 19:42:48 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-06-09 19:42:48 +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 'cassis.co' . . . . . . . . [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 825999822001936751117465134695690233974069560108203776046243845853797714950487428650744335543503334225475941029497890368425305244585849327508906252583781048628908915585759256573678674554207717578701654204920270968140052009818395251989798588424007803983839042378788079433215564846337325195842232227344894659427028765624992026343200104867180324847292340767722686791290811407301108489291691709031406009910031193165797400292946566613145581905621499469347115055783148969307484602652550331887437179874840184892348619174586237277614724160442338004417028287359404565015463713105649357574027574841076835701276889467441802533363182063621499638145535199784815079976598725095196443966051256164703742208839464596880660883840179011111727477132036782797301964284138856669654424236856727581423064555631921363016828203811440947289277357784812884977451671875242254958597770543696495963164958995302403926226880125914144627591786884377657713731174247101729558528423139389259053352065465285487254259509599494902003361463746553659682704023688498784276897048092740708897069712845211524819031167822818622315075693052817455491242990931897852308504077437815411133651115380343853076979715540211839172274079772704602871811745239106077526385782502591217625913117 . . . . . . . . . . . . . . . . . . . . [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) d4b8f796e8976f10f8a36714166e03aa681254d1 . . . . . . . . . . . . . . . . [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 (13 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cassis.co' . . . . . . . . . . . . . . . . [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) 00f1007600747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc56000001696e7e5a660000040300473045022100f94a28686c0293d2df78b86a816b7197420c5b232e4a5e2e7b956cb1f12ce0e4022042a5c29ea2802b3ab275453193df6f9c889cfe31d74edf3ace3b5965afd6b2b9007700293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f478000001696e7e5a4d000004030048304602210098353026674daf62bc70d786ea40babe96f2380c1943426d41ae43b3eac8f810022100c942736b60893c592ce19e8cca86a90c6558f66feb807955756b8b252972482d . . . . [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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