www.krateczka.com
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:e6:4c:52:17:07:28:02:3f:dc:3a:81:1c:2c:5c:7c:55:cb 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.krateczka.com
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:e6:4c:52:17:07:28:02:3f:dc:3a:81:1c:2c:5c:7c:55:cbSerial Number (int): 339703249750181040140058437998840706258379
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 9a:54:ef:b4:d1:e8:94:79:cb:df:cc:f1:aa:bb:bd:1f:13:97:30:a1
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 24:34:d2:13:d8:18:fb:b1:03:bd:3d:1a:11:b6:bb:38:38:65:cd:93
Fingerprint (sha256): 97:05:49:45:4a:bd:fc:cd:a6:33:6d:13:26:8d:ea:a9:53:63:89:02:21:10:9e:8b:47:16:a6:eb:db:7b:c0:17
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.krateczka.com
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for www.krateczka.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
www.krateczka.com
Other certificates including the domain name krateczka.com
(limited to 100 certificates)
Certificate
The complete raw certificate details for www.krateczka.com in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGWzCCBUOgAwIBAgISA+ZMUhcHKAI/3DqBHCxcfFXLMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0yMDAyMTUwNjA5MTVaFw0y MDA1MTUwNjA5MTVaMBwxGjAYBgNVBAMTEXd3dy5rcmF0ZWN6a2EuY29tMIICIjAN BgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEA6jpujtsJuXEHj0b/Oj/GigCn6Zol Lo3bwvDKN65nAEPebzNCDPpNMlDS/0PjEAqV52M7Beyjtf5i6zzHw2IfZQTF9n0Q N0nOhEhzCcFpIfx09lWdeWuYzZQAnyLDXAaMKpmfO6QNRegx2mpsuwV2bwyO4etH N7XZfgfHnpSWMcFCw8SlbBCMH7ftTQOk2u68PXx8nnjLbwVcMIItLyiajJaQF5Pr ZpQvw5l3yBEAPm1Qo/X4VrojIBdUu42pfT1yPoUgD1hx76TSyvqDZPle9pEKz3Mh GmqBwyFEmz4y5aQqE/nAkSsK0pNjpUaDFnrodwv/AcrCN2uupvWWsbhvVEaHSYhA KIZPFSUv/+AQGljIRI3Xpk3xwnZ5HRKQlKyIa5io03ALu99GRKSI2jKUTtUGuc/7 KzFlYUwXccRQiiMo9pqbG3VUQhXBY2ne2WQKWAQ1JzKN0A2G8s2iMPCUJd4R9i53 9k70DXqDHNz45yvnn+B9CukcoUslCsCKc+tW09mAGy7i4VNouiDpE2HBLAESqqUd qhUUOdi/SQRJtn5MBEGYIPNnjxJD3T/st2s6prNp61QhPYnqBbi19vh2R5hM+YOo 22sHQRMy9uC/h+je2Tnju6I1nE5Gly3VRrJ+bHZ4TiGxVZbssdlO1G2jZIxxxuD3 Y71CSX0TcOO+7sECAwEAAaOCAmcwggJjMA4GA1UdDwEB/wQEAwIFoDAdBgNVHSUE FjAUBggrBgEFBQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQU mlTvtNHolHnL38zxqru9HxOXMKEwHwYDVR0jBBgwFoAUqEpqYwR93brm0Tm3pkVl 7/Oo7KEwbwYIKwYBBQUHAQEEYzBhMC4GCCsGAQUFBzABhiJodHRwOi8vb2NzcC5p bnQteDMubGV0c2VuY3J5cHQub3JnMC8GCCsGAQUFBzAChiNodHRwOi8vY2VydC5p bnQteDMubGV0c2VuY3J5cHQub3JnLzAcBgNVHREEFTATghF3d3cua3JhdGVjemth LmNvbTBMBgNVHSAERTBDMAgGBmeBDAECATA3BgsrBgEEAYLfEwEBATAoMCYGCCsG AQUFBwIBFhpodHRwOi8vY3BzLmxldHNlbmNyeXB0Lm9yZzCCAQUGCisGAQQB1nkC BAIEgfYEgfMA8QB3ALIeBcyLos2KIE6HZvkruYolIGdr2vpw57JJUy3vi5BeAAAB cEeuFG4AAAQDAEgwRgIhAJ/ZH6NLwUsh8D4rMDl4z2TpiRZTwm7Blk2qGyJNK5x5 AiEAho7vKIR+GlGwB2AsNxxCRpX8xtSSHckwZ7fynrh4fDkAdgBvU3asMfAxGdiZ AKRRFf93FRwR2QLBACkGjbIImjfZEwAAAXBHrhUoAAAEAwBHMEUCIQDHPy1HrVFT 6V3vdisXJ5rrRruK3YM57WhZ3X7XCKT/4AIgcwRWuAC77eUy/wxwI4rdHt2NOn39 qZnleDIwM8WGz28wDQYJKoZIhvcNAQELBQADggEBAEidr4xSz7w99hbEZ5TNAIyA F7iAcl+5pC8BjQ2ihct25FBPEX4uxN4a4omlERTPuipLybVzUu/7C3U+nhqBDUl9 /fRL1XaUf0l8DhdtnGYtcyReHGfNW49gCCRj/R+EiEWalY59zXqAhsp7IxAHUGDd W/FLrLEKaBi2sSNl7Ly6k0noAqbJ6DlJ+7GRzEWPhMCo9eAePT86M551GJSnCxE7 +sWrLSbHFavMa+a7mCxNnt4gGkAbI2D+nwzAzeKBZC+4cxJyoql7WTv04AtdRhjW naPvhJIVmANsU4pdvfiqWW6lBd4Byn0zMlyKCV0enYEHFu0g18lFw8jAORs0vOI= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEA6jpujtsJuXEHj0b/Oj/G igCn6ZolLo3bwvDKN65nAEPebzNCDPpNMlDS/0PjEAqV52M7Beyjtf5i6zzHw2If ZQTF9n0QN0nOhEhzCcFpIfx09lWdeWuYzZQAnyLDXAaMKpmfO6QNRegx2mpsuwV2 bwyO4etHN7XZfgfHnpSWMcFCw8SlbBCMH7ftTQOk2u68PXx8nnjLbwVcMIItLyia jJaQF5PrZpQvw5l3yBEAPm1Qo/X4VrojIBdUu42pfT1yPoUgD1hx76TSyvqDZPle 9pEKz3MhGmqBwyFEmz4y5aQqE/nAkSsK0pNjpUaDFnrodwv/AcrCN2uupvWWsbhv VEaHSYhAKIZPFSUv/+AQGljIRI3Xpk3xwnZ5HRKQlKyIa5io03ALu99GRKSI2jKU TtUGuc/7KzFlYUwXccRQiiMo9pqbG3VUQhXBY2ne2WQKWAQ1JzKN0A2G8s2iMPCU Jd4R9i539k70DXqDHNz45yvnn+B9CukcoUslCsCKc+tW09mAGy7i4VNouiDpE2HB LAESqqUdqhUUOdi/SQRJtn5MBEGYIPNnjxJD3T/st2s6prNp61QhPYnqBbi19vh2 R5hM+YOo22sHQRMy9uC/h+je2Tnju6I1nE5Gly3VRrJ+bHZ4TiGxVZbssdlO1G2j ZIxxxuD3Y71CSX0TcOO+7sECAwEAAQ== -----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 339703249750181040140058437998840706258379 . . . . . . . . [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 2020-02-15 06:09:15 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-05-15 06:09:15 +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.krateczka.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 955567888560572971047558187051504867651391478643436691794189418044989587993855036243185793657179922605512987332387217402417667272560159158128764722724756923753261007341081273874078456721534985046611967121491106886667306597271739738195307557004486367233583638374386619670188111336097990005204867391212188435358197690322695384506834570021875193027963718990995679205676719100984905425196082846231736443352459865114593597673992339718552862715468630284775527610334855139369191744653561843566362910531288925357820049987297048624329619431265994569398248554443048770383285300854086167674106501243620686190575506039351513964795414783503895364398928620143177075659931827805536757581458218328905338578528168294691283150992504918683686208785103062910567303421804123000469130920967505791850610387122054735274780116378724190152867118594052800238596326669183358875081608900097556122452437160907358187177792284262288871514266441092559920535200215219239361243892225958848646209954019348657864161114237708903523648560795621738639726435303793332250196706394354188448167289191231932415624520192180892912761369171766728553564456069479090462592408740574871953267723152995980975948308804388267401287043249846647826240921457321359258643113599648473192263361 . . . . . . . . . . . . . . . . . . . . [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) 9a54efb4d1e89479cbdfccf1aabbbd1f139730a1 . . . . . . . . . . . . . . . . [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 (21 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.krateczka.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 (246 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes) 00f1007700b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000017047ae146e00000403004830460221009fd91fa34bc14b21f03e2b303978cf64e9891653c26ec1964daa1b224d2b9c79022100868eef28847e1a51b007602c371c424695fcc6d4921dc93067b7f29eb8787c390076006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000017047ae15280000040300473045022100c73f2d47ad5153e95def762b17279aeb46bb8add8339ed6859dd7ed708a4ffe00220730456b800bbede532ff0c70238add1edd8d3a7dfda999e578323033c586cf6f . . . . [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) 00489daf8c52cfbc3df616c46794cd008c8017b880725fb9a42f018d0da285cb76e4504f117e2ec4de1ae289a51114cfba2a4bc9b57352effb0b753e9e1a810d497dfdf44bd576947f497c0e176d9c662d73245e1c67cd5b8f60082463fd1f8488459a958e7dcd7a8086ca7b2310075060dd5bf14bacb10a6818b6b12365ecbcba9349e802a6c9e83949fbb191cc458f84c0a8f5e01e3d3f3a339e751894a70b113bfac5ab2d26c715abcc6be6bb982c4d9ede201a401b2360fe9f0cc0cde281642fb8731272a2a97b593bf4e00b5d4618d69da3ef84921598036c538a5dbdf8aa596ea505de01ca7d33325c8a095d1e9d810716ed20d7c945c3c8c0391b34bce2