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:fe
Serial 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.org

Check 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-----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-----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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