www.oumco.com
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:17:fe:f3:b5:f7:67:1e:0f:a1:5b:f1:65:02:75:6d:cd:fe 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): 03:17:fe:f3:b5:f7:67:1e:0f:a1:5b:f1:65:02:75:6d:cd:feSerial Number (int): 269502241564245724893934487709959584599550
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 27:1f:a2:e7:f8:35:ba:96:20:cd:29:c4:09:78:5e:c7:5a:03:b5:3c
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): bf:7a:e6:e9:2b:9c:77:e6:41:47:bc:50:62:a0:d3:4c:e2:1f:f0:6d
Fingerprint (sha256): de:ec:63:b4:58:c3:e5:b9:f4:bc:96:73:f0:1a:93:f5:db:bf:ab:12:8e:bd:51:7f:79:87:2e:56:10:74:11:48
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----- MIIGUjCCBTqgAwIBAgISAxf+87X3Zx4PoVvxZQJ1bc3+MA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTEwMTIwMTE3NTRaFw0y MDAxMTAwMTE3NTRaMBgxFjAUBgNVBAMTDXd3dy5vdW1jby5jb20wggIiMA0GCSqG SIb3DQEBAQUAA4ICDwAwggIKAoICAQCrpi196I0YgWfT9wIinj6lUJLkzPLX9xgA wvqnAYhDq9XX0KgF9O1wsDrd7spL0wH+EKfO2S8LqoQWeE9kN5kXSF/DZVCMmVv0 OcsafMiu5nX2wJT91IRdvN1ljCMx09LVXNJWRoC4ekdqOXCMy4CY3yL6Q8DPJzng xs9Hmn8eTebUGV08jlJz4kP3GOQMdoqy9rkpVPt94yDYjeB5sRuUBW9tnecsFVwL oW1wJo3iP88hs9VM2MR00psuhqqkun2pGExTAna15gBlqoDQJiPhrGHW/QIVTLbz HQbMFlPxZ8sGIGHXnWgGD3pjyY139RXs9Nrk1LwUE34rCIYZ1+Wyy4S+McmiVIMt lKVZwACEZzAvzbRTIhf2HsJMaTRMBTMNK/0vGXPOJKT6f2uXcbr9O9h1Z9Xt9TXI vIZgLDISA7dpMe7R4v9PqNHyuXtwqq1iLmexmsApzBitO28EIP3VzfyMBmJENAHz lDrPwihDdjwF8hle6dGfvrqnjflP+wCEr3N9IqCmDsRoRxalb6Bps27FgFMKWbvt Mu4mXkeY49sxVRYie7iE0moLMk1XVsjGbaSftuqS9M05BEC36H0IAlSoDDKJPvQC M+XIq6Uje6SzGPO5fv6gFX2AkPIOgFvo+3SmyBNH4b9Io/PmFJ9BAdUEJegQ1hWz 0kXq+bV+VwIDAQABo4ICYjCCAl4wDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQG CCsGAQUFBwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBQnH6Ln +DW6liDNKcQJeF7HWgO1PDAfBgNVHSMEGDAWgBSoSmpjBH3duubRObemRWXv86js oTBvBggrBgEFBQcBAQRjMGEwLgYIKwYBBQUHMAGGImh0dHA6Ly9vY3NwLmludC14 My5sZXRzZW5jcnlwdC5vcmcwLwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0LmludC14 My5sZXRzZW5jcnlwdC5vcmcvMBgGA1UdEQQRMA+CDXd3dy5vdW1jby5jb20wTAYD VR0gBEUwQzAIBgZngQwBAgEwNwYLKwYBBAGC3xMBAQEwKDAmBggrBgEFBQcCARYa aHR0cDovL2Nwcy5sZXRzZW5jcnlwdC5vcmcwggEEBgorBgEEAdZ5AgQCBIH1BIHy APAAdgBep3P531bA57U2SH3QSeAyepGaDIShEhKEGHWWgXFFWAAAAW29wg15AAAE AwBHMEUCIQCH5spT5Bp6ap+X/91zJBqrFzOcDLfEJGaxVy/Cd2/MegIgZH3lmSDn WQNvNo0bT6e50KwI9SgLYLAuOQATNW8VbxIAdgApPFGWVMg5ZbqqUPxYB9S3b79Y eily3KTDDPTlRUf0eAAAAW29wg1mAAAEAwBHMEUCIQDeIRP2Hl5jCoP2YtZO6itt UoycaR+XEmySjNwDCGPMdwIgNveMTgVWYIxccBJunRIPf/YMeERyqgqwU/UX8CwF oGgwDQYJKoZIhvcNAQELBQADggEBAGNZouhxC0a0HEP1UvfTmbPh9mjmxmW24ptB /U1az5Ol8IHUJCXTQ3HvyuafgfzNNdAsTQ7Vw72pCgsGqNuG56FLo2HDL1qpz+HZ yZV8Saz73nPC1NGaKFJfF5Qzd8hfPcXx6XQFNcD9sVbtTsUnbzwqqoE7pfDJysw/ NFgAo8d6bTPP0Cu+ojNUXGg15RCk0ARDoW3/V1sOg8PPXkUW2YqZ1vEdFcXESHcB Wik4/cUGAplfBXwiKkd25zYr6s4Uz9TafUs6vsvwJqdB7zCurnvYOJlUaY3CPKEs W9RuxaOyS4lYRDEzpnnk795gG0dQQ+TfjqgHbZ4T7+u3Xcg8ssc= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAq6YtfeiNGIFn0/cCIp4+ pVCS5Mzy1/cYAML6pwGIQ6vV19CoBfTtcLA63e7KS9MB/hCnztkvC6qEFnhPZDeZ F0hfw2VQjJlb9DnLGnzIruZ19sCU/dSEXbzdZYwjMdPS1VzSVkaAuHpHajlwjMuA mN8i+kPAzyc54MbPR5p/Hk3m1BldPI5Sc+JD9xjkDHaKsva5KVT7feMg2I3gebEb lAVvbZ3nLBVcC6FtcCaN4j/PIbPVTNjEdNKbLoaqpLp9qRhMUwJ2teYAZaqA0CYj 4axh1v0CFUy28x0GzBZT8WfLBiBh151oBg96Y8mNd/UV7PTa5NS8FBN+KwiGGdfl ssuEvjHJolSDLZSlWcAAhGcwL820UyIX9h7CTGk0TAUzDSv9LxlzziSk+n9rl3G6 /TvYdWfV7fU1yLyGYCwyEgO3aTHu0eL/T6jR8rl7cKqtYi5nsZrAKcwYrTtvBCD9 1c38jAZiRDQB85Q6z8IoQ3Y8BfIZXunRn766p435T/sAhK9zfSKgpg7EaEcWpW+g abNuxYBTClm77TLuJl5HmOPbMVUWInu4hNJqCzJNV1bIxm2kn7bqkvTNOQRAt+h9 CAJUqAwyiT70AjPlyKulI3uksxjzuX7+oBV9gJDyDoBb6Pt0psgTR+G/SKPz5hSf QQHVBCXoENYVs9JF6vm1flcCAwEAAQ== -----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 269502241564245724893934487709959584599550 . . . . . . . . [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 2019-10-12 01:17:54 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-10 01:17:54 +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 700267361717680701450236511366422642287372752358388649911913241063634327201309052759946679205124699213456982103986429292830364240446900246622356581685330493075353676134508851777583669803692350855355996453670733166775121846466123138530202931307213649097351351081237036945384160255906652052699499085827027061530891932496201867599748950679105387220706454624573846698667834398168509795847163494031510994443195000295461142156336441489727259374076521340309314437696055887929689965574915858583359409974072784986899246168910528008255421381857398428026837525541312986630183862688802844706634821546857662553313898945935436228436506085935198438355342189269336837535776487447332291892390960413206903357495731307772742023435935095172178364168580756591553965672376996643232013508340789607826107903886778434199823971073463843682988008312087051218352706719665513122631085587179460628282491080440683665556865011328882665003971446280900280284955975702984280358936882353629885778263619628994326140294223100377487932664507621786555942095317997660245837828147851676494732800714644483015629048844948842757942647199107680568871967036016515385112854700018038370164773206160827730234620843138724262352739254376737756645395871543039901666223746348442474348119 . . . . . . . . . . . . . . . . . . . . [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) 271fa2e7f835ba9620cd29c409785ec75a03b53c . . . . . . . . . . . . . . . . [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) 00f00076005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016dbdc20d79000004030047304502210087e6ca53e41a7a6a9f97ffdd73241aab17339c0cb7c42466b1572fc2776fcc7a0220647de59920e759036f368d1b4fa7b9d0ac08f5280b60b02e390013356f156f12007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016dbdc20d660000040300473045022100de2113f61e5e630a83f662d64eea2b6d528c9c691f97126c928cdc030863cc77022036f78c4e0556608c5c70126e9d120f7ff60c784472aa0ab053f517f02c05a068 . . . . [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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