zsico.com
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 04:57:bf:25:0a:1c:39:f7:68:c0:e4:ec:25:59:df:9a:18:2e 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=zsico.com
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 04:57:bf:25:0a:1c:39:f7:68:c0:e4:ec:25:59:df:9a:18:2eSerial Number (int): 378307784516401741959993823489185839454254
Serial Number lenght: 139 bits, 18 octets
SubjectKeyId: 04:68:4f:96:be:eb:44:8c:f8:6f:63:e2:5d:b4:b8:80:4b:8e:ca:e2
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 2c:29:5e:17:79:69:e4:0c:be:c0:fe:ae:a5:57:59:07:71:34:23:df
Fingerprint (sha256): 09:e4:39:93:12:5a:3b:f7:32:cc:bc:61:07:c2:4f:d5:9e:a2:8f:15:85:48:ab:f4:16:27:b2:9e:55:21:8b:79
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate zsico.com
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for zsico.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
zsico.com
Other certificates including the domain name zsico.com
(limited to 100 certificates)
Certificate
The complete raw certificate details for zsico.com in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGSzCCBTOgAwIBAgISBFe/JQocOfdowOTsJVnfmhguMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTEyMTIxNTM0MjFaFw0y MDAzMTExNTM0MjFaMBQxEjAQBgNVBAMTCXpzaWNvLmNvbTCCAiIwDQYJKoZIhvcN AQEBBQADggIPADCCAgoCggIBAL0fAJVBlLQz5QtnRAU69C8JRUN4B3N2Ki6s9ycC uc4Ad5Vwa2hSrgwPMCaLaYYXw/7MuMv5ymqiqJfOBQ7pQ6DTss9axhKt54ik/mbW HzR0tSKMMdPSLEFabDxS+ALLGS4mz5lHygsDJrW5H6unQxTcki0tRI11AhwqnZio du9A9j/n1piNN4ofSEr9jPleqlRLj9u5DfMgNHojpRmYH88rMB8OnKmyyzlptAk4 MdnwSy7ZANSXpBxRvAvW+6h4P1QEkLYq1PEk9yxrsDRMEwQV/7HiJly/4MPg8tFT M8YX5NKam0mJJ9gu4idjeE/Oken3/Jt9ZXNxajBBe18G9+598zGuYTBLZJrauRG+ eVxkPdHJk5X0Ewez0BhCqOaH+584NAttKmbMTTQY5J7Z/w5lpcxLHlpdAKh66u4F kSmI8RW8C0hbC07WL54tdJZ5X/ZKcY5Wu1cBuKRdimd5b4aLcEk6MrNL2V0Ujs+4 iq1xqqikn+eFq8oEZlgJg2SHNPVsZ8MjEH98URZ+CejYHNUATL+f8xyQ7sKPpa8L T7+O5Q2e3DanHsPx1bKccFq/8jrAZntOel3rSiLt+aeQO/DFV03wNjEPb+avcsje U6i68xckE4iOE1JgyYAS1LESIhussl6IxqBLdaJEUsFNj2lCCOw6K85R75Ldo7mO 1fp/AgMBAAGjggJfMIICWzAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0lBBYwFAYIKwYB BQUHAwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYEFARoT5a+60SM +G9j4l20uIBLjsriMB8GA1UdIwQYMBaAFKhKamMEfd265tE5t6ZFZe/zqOyhMG8G CCsGAQUFBwEBBGMwYTAuBggrBgEFBQcwAYYiaHR0cDovL29jc3AuaW50LXgzLmxl dHNlbmNyeXB0Lm9yZzAvBggrBgEFBQcwAoYjaHR0cDovL2NlcnQuaW50LXgzLmxl dHNlbmNyeXB0Lm9yZy8wFAYDVR0RBA0wC4IJenNpY28uY29tMEwGA1UdIARFMEMw CAYGZ4EMAQIBMDcGCysGAQQBgt8TAQEBMCgwJgYIKwYBBQUHAgEWGmh0dHA6Ly9j cHMubGV0c2VuY3J5cHQub3JnMIIBBQYKKwYBBAHWeQIEAgSB9gSB8wDxAHcAsh4F zIuizYogTodm+Su5iiUgZ2va+nDnsklTLe+LkF4AAAFu+vYW2gAABAMASDBGAiEA 6/yKGFL1RkbqpJJM77JVSmoZgSV5PKS2KbbHCuPsWcYCIQChwDFZ99V0EugGx2P7 wwcNQmbiS4I4DFn81vXdxx9kbQB2AG9Tdqwx8DEZ2JkApFEV/3cVHBHZAsEAKQaN sgiaN9kTAAABbvr2FwsAAAQDAEcwRQIgPh9e5E9vRufWVMyUGfn9AKnZ6qc8AhE/ tSI5+mSzjLkCIQCbIkOImbFCxc/GmsQ9GNZLL2duQxzNwlArhLTl+DvQFDANBgkq hkiG9w0BAQsFAAOCAQEAXMfwMY806bBBEzpf7rKAGPF81wkDGqnICP6u8NUHIHQO il5W8K0m3i/y4mHBB4uosXDrMLhRrgUqE5IAgCco5Kw3vPMZ5xP9SQq0HdqUS9Cb 67CSVysHTGwzdjVj1k4NSd3v3Ckpzk+g4nZuimQ4KcTlMB+efrJKRDmuVFv2nZEF JrsZjQ/1JsMf3rGz/+Al9sIGsJWUb6kW2Z2PqCCWGMZ8kLnFLx3EYSgwXfL4Y3mq pckgxN2SzUve66M66VdjoAyxHUf7i+6SSPxUHnVLLI88Nq4gr4GhUaeimP9LCCJQ uOOvUobq5o3+mgx+2Cd/8RJt1V+NYsNLdstKoU5XbA== -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAvR8AlUGUtDPlC2dEBTr0 LwlFQ3gHc3YqLqz3JwK5zgB3lXBraFKuDA8wJotphhfD/sy4y/nKaqKol84FDulD oNOyz1rGEq3niKT+ZtYfNHS1Iowx09IsQVpsPFL4AssZLibPmUfKCwMmtbkfq6dD FNySLS1EjXUCHCqdmKh270D2P+fWmI03ih9ISv2M+V6qVEuP27kN8yA0eiOlGZgf zyswHw6cqbLLOWm0CTgx2fBLLtkA1JekHFG8C9b7qHg/VASQtirU8ST3LGuwNEwT BBX/seImXL/gw+Dy0VMzxhfk0pqbSYkn2C7iJ2N4T86R6ff8m31lc3FqMEF7Xwb3 7n3zMa5hMEtkmtq5Eb55XGQ90cmTlfQTB7PQGEKo5of7nzg0C20qZsxNNBjkntn/ DmWlzEseWl0AqHrq7gWRKYjxFbwLSFsLTtYvni10lnlf9kpxjla7VwG4pF2KZ3lv hotwSToys0vZXRSOz7iKrXGqqKSf54WrygRmWAmDZIc09WxnwyMQf3xRFn4J6Ngc 1QBMv5/zHJDuwo+lrwtPv47lDZ7cNqcew/HVspxwWr/yOsBme056XetKIu35p5A7 8MVXTfA2MQ9v5q9yyN5TqLrzFyQTiI4TUmDJgBLUsRIiG6yyXojGoEt1okRSwU2P aUII7DorzlHvkt2juY7V+n8CAwEAAQ== -----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 378307784516401741959993823489185839454254 . . . . . . . . [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 2019-12-12 15:34:21 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-11 15:34:21 +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 'zsico.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 771546784548653451722579447246594012095744316422603637289554954209316524782708580543079059946315039790339389337383343249347687389896993149362862861761516588897805973050846775153676300867836466158863993564924847217875443295312883468435581427851574827216199086402916363140827575954627161101964843205215267402912764322584315131809821376812539855113668407582631952171642528474164704154755203675024779849112235992375454041314021152709261901295010632036978171995844904504009910209418939161634549648107558248278142286307762625602004721809317663163834556936356045613846855991494445113334201486599773370576682314661664926455426457713323415626430495851921248553290800707180840141002585500761596743601173391860841721729577668972767246897389991014293796315080310248640332136385752475746531187813976811321120991022070637296522849147921255172756226387697048397212141633178682305414357758320222240021239042894312757483503926900026960042813692011102697917735384963520610135797195514008321816848290706095796989575229177414734835504461281219068531957488288419006099233522604121241549303535005557000014853913600078937476517507054459819294206136674277527176648168582377099053240550213046908454528203371759090213674106394476846082294807096451564983155327 . . . . . . . . . . . . . . . . . . . . [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) 04684f96beeb448cf86f63e25db4b8804b8ecae2 . . . . . . . . . . . . . . . . [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 'zsico.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) 00f1007700b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016efaf616da0000040300483046022100ebfc8a1852f54646eaa4924cefb2554a6a198125793ca4b629b6c70ae3ec59c6022100a1c03159f7d57412e806c763fbc3070d4266e24b82380c59fcd6f5ddc71f646d0076006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016efaf6170b000004030047304502203e1f5ee44f6f46e7d654cc9419f9fd00a9d9eaa73c02113fb52239fa64b38cb90221009b22438899b142c5cfc69ac43d18d64b2f676e431ccdc2502b84b4e5f83bd014 . . . . [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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