www.oumco.com
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:ca:b5:f1:72:e1:1a:43:a9:9d:6c:81:b6:c5:b8:4b:91:5d 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.oumco.com
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:ca:b5:f1:72:e1:1a:43:a9:9d:6c:81:b6:c5:b8:4b:91:5dSerial Number (int): 330315739854119446017196500732747683959133
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 99:2c:13:1c:3c:2c:08:e9:a4:7d:d3:fb:37:4d:64:93:23:94:19:c7
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): f1:da:e7:b4:ca:ca:45:70:b8:b0:4c:f9:19:d5:8c:88:68:6e:47:6d
Fingerprint (sha256): 79:e8:4e:05:fc:a3:b4:9d:14:32:7c:ad:ec:bd:46:e0:a2:6e:47:c8:f1:9e:5b:4c:36:4c:ee:1b:cf:ce:97:21
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.oumco.com
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for www.oumco.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.oumco.com
Other certificates including the domain name oumco.com
(limited to 100 certificates)
Certificate
The complete raw certificate details for www.oumco.com in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGUjCCBTqgAwIBAgISA8q18XLhGkOpnWyBtsW4S5FdMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTEyMTEwNDA1NDlaFw0y MDAzMTAwNDA1NDlaMBgxFjAUBgNVBAMTDXd3dy5vdW1jby5jb20wggIiMA0GCSqG SIb3DQEBAQUAA4ICDwAwggIKAoICAQDLPRjYmc4/AeemJxgqrEeC8qVWUbxsck5G U2ZivT8QWelC1/DonkBTYYBnbaDtGm5sPVgmN7oIw/NKhckyFTg1+W05RqQWS2/A 320+boixbu+VkW793g+Ng4q2MwlfXHUo9/qhIzwuuPRxpk6iHSW1QEP/9bka5w11 xOv/28NJZo53sRuDRPNgwb0/KPGLAyQWK6Uti8K+BKeme7TNMeYumol2jQYlKKnB CF5kNAjj8LeevH78pDLIl3h10g6ivKn65JEJglGxpgPcBpDxgksWLzAHEhIWFMES 7Crz8aUjje/MfXymvCvAUaoWVgtA2NM8B2p0A5yVhspWuI6XvftnjWwgYQOANXgR h0VRmdneZD8efeplR2AdIG4CrYWLB0o4yPcr7LnGKAoJI3eWJqLYSUKgvA+A7Qab tl4q4NAMG07jyQ2PKznyvyAF9sQ6tpz1eAolZvlKaa+uF7CHsgUs4J7fjL2fV68o WWlMDiQX0+9V/dOyqtJiaMwJhiV+r858MdA09klRgDkZ4D80ZATqiTXgQwN+pntu qvaAOBPuexZ1DilSKaJ4TWKcUP3EgdkbaVP7v62Eza13si2mCUuvHp7ww2rWW7BR tOLOdbRKfJT8hW141tWttI9EfkV1x0ybjNVvI0038yZRq3GTOXUG6PNe3facjUpm djWzIWvYBQIDAQABo4ICYjCCAl4wDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQG CCsGAQUFBwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBSZLBMc PCwI6aR90/s3TWSTI5QZxzAfBgNVHSMEGDAWgBSoSmpjBH3duubRObemRWXv86js oTBvBggrBgEFBQcBAQRjMGEwLgYIKwYBBQUHMAGGImh0dHA6Ly9vY3NwLmludC14 My5sZXRzZW5jcnlwdC5vcmcwLwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0LmludC14 My5sZXRzZW5jcnlwdC5vcmcvMBgGA1UdEQQRMA+CDXd3dy5vdW1jby5jb20wTAYD VR0gBEUwQzAIBgZngQwBAgEwNwYLKwYBBAGC3xMBAQEwKDAmBggrBgEFBQcCARYa aHR0cDovL2Nwcy5sZXRzZW5jcnlwdC5vcmcwggEEBgorBgEEAdZ5AgQCBIH1BIHy APAAdgDwlaRZ8gDRgkAQLS+TiI6tS/4dR+OZ4dA0prCoqo6ycwAAAW7zWVgaAAAE AwBHMEUCIQCl9jv6e+Uu8ZLCc5f7hvpJguDXUnO6XPcml2YiX8DBDAIgZRRPSpWY Lwso+vCqrmsm5mpK1l/Ec4u+keTfEcjxMI8AdgCyHgXMi6LNiiBOh2b5K7mKJSBn a9r6cOeySVMt74uQXgAAAW7zWVgOAAAEAwBHMEUCIQCfKwalBnLcUMCQpb2zUQHS OTRslXedrr3ndwjZVEhMigIgW+XzoBPfnxCSIciWVw9sLhcwqwuogFsItmqx9bMM c8wwDQYJKoZIhvcNAQELBQADggEBAGMdcMurpCI920ZmnERmic4uC/Dy5In4Jbn2 uhmOWlhSFizhtUwWLAUoIuqSIqdr84adyo0M6nPZ8p42HXw6vPTinx9OOCYKLbD3 EoOJlUV+jsOdCZUVxyjR+ZlPtElfp74J4s4yGH16GpHL8NJIL54AvL4agcBMHl4q 6VQBIOmBVTKBA47An0t0JqE+DBFZNwOP/rzPGs4BdlJfTLsIu1Vt0QmWox8cz/qs 3f4XtrmnDLbFC9T699T9JTHeezDxBLyYrdju/9TGuDnk6ANi5snsqu8HR/3LjQyL SjWszeXgqLCvoSbhv8R+IjOMESp2bFc7FbuUj593s3EhVZfI+UY= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAyz0Y2JnOPwHnpicYKqxH gvKlVlG8bHJORlNmYr0/EFnpQtfw6J5AU2GAZ22g7RpubD1YJje6CMPzSoXJMhU4 NfltOUakFktvwN9tPm6IsW7vlZFu/d4PjYOKtjMJX1x1KPf6oSM8Lrj0caZOoh0l tUBD//W5GucNdcTr/9vDSWaOd7Ebg0TzYMG9PyjxiwMkFiulLYvCvgSnpnu0zTHm LpqJdo0GJSipwQheZDQI4/C3nrx+/KQyyJd4ddIOoryp+uSRCYJRsaYD3AaQ8YJL Fi8wBxISFhTBEuwq8/GlI43vzH18prwrwFGqFlYLQNjTPAdqdAOclYbKVriOl737 Z41sIGEDgDV4EYdFUZnZ3mQ/Hn3qZUdgHSBuAq2FiwdKOMj3K+y5xigKCSN3liai 2ElCoLwPgO0Gm7ZeKuDQDBtO48kNjys58r8gBfbEOrac9XgKJWb5Smmvrhewh7IF LOCe34y9n1evKFlpTA4kF9PvVf3TsqrSYmjMCYYlfq/OfDHQNPZJUYA5GeA/NGQE 6ok14EMDfqZ7bqr2gDgT7nsWdQ4pUimieE1inFD9xIHZG2lT+7+thM2td7ItpglL rx6e8MNq1luwUbTiznW0SnyU/IVteNbVrbSPRH5FdcdMm4zVbyNNN/MmUatxkzl1 BujzXt32nI1KZnY1syFr2AUCAwEAAQ== -----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 330315739854119446017196500732747683959133 . . . . . . . . [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 2019-12-11 04:05:49 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-10 04:05:49 +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.oumco.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 829141395176341158497497626120029091382433575738750520289112492321584465428995376927199787753637309976468179753555518516373550046328907602003889935602556704771472529475229457606787298568999485039053652065165675877092786157277681198608624043663783987923256130696220891284435629309659235212007983955983343365110545119761469456479987603406135116313275707904342217417781711344845775504280159304142641834795274279814509179697618334772032282604653666250253739004742444984218672919916765490430911750204905708724505448707395426537369083583990464872923742625851799095670973057660319904990528566912564611637031317997490526008767453637018402933731345895163417303744765000212776859346820687608431455587132823152902041749031123818428185489552012078038320658279394970712629901233688217511384881844303319000046710833988866599130871415488886648194972814695475547732672066970613558120558035752654501421112714480146065164697548577621666203328070726673919033119467778388531268370278050114479318894775278204457668177999058496265349212813662181795753801809691971662927778387468752122284971237874837070927063299132217099842728653382435427159748089679579231332320470526676169705317133089437169781781185192198025753854454790268376375799042497202066824091653 . . . . . . . . . . . . . . . . . . . . [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) 992c131c3c2c08e9a47dd3fb374d6493239419c7 . . . . . . . . . . . . . . . . [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 (17 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.oumco.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 (245 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes) 00f0007600f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000016ef359581a0000040300473045022100a5f63bfa7be52ef192c27397fb86fa4982e0d75273ba5cf7269766225fc0c10c022065144f4a95982f0b28faf0aaae6b26e66a4ad65fc4738bbe91e4df11c8f1308f007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016ef359580e00000403004730450221009f2b06a50672dc50c090a5bdb35101d239346c95779daebde77708d954484c8a02205be5f3a013df9f109221c896570f6c2e1730ab0ba8805b08b66ab1f5b30c73cc . . . . [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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