oosma.com

Issued by R3

About this certificate

This digital certificate with serial number 03:d3:4a:37:15:4f:d5:14:5e:16:12:d9:26:93:51:05:81:62 was issued on by Let's Encrypt.

With 2 subject alternative names this certificate can be used to secure multiple fqdn's. 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:
  • DV certificate contains a subject common name, this is not recommended. If certificate policy 2.23.140.1.2.1 (CA/B BR domain validated) is included, only country and/or common name is allowed in SubjectDN. (BRs: 7.1.2.7.2)
  • Subscriber certificates use of Subject Key Identifier is NOT RECOMMENDED (BRs v2: 7.1.2.7.6)
  • Subscriber Certificate: commonName is NOT RECOMMENDED. (BRs: 7.1.2.7.1)

Certificate Subject

CN=oosma.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:d3:4a:37:15:4f:d5:14:5e:16:12:d9:26:93:51:05:81:62
Serial Number (int): 333235086095869630365988127859009103692130
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: be:3c:c8:5b:65:5b:8c:08:9f:65:fa:49:a9:4a:74:86:93:57:8b:89
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): c6:60:f5:c7:04:4a:05:a8:1e:7e:3e:23:14:ca:cb:df:56:66:9b:90
Fingerprint (sha256): 9b:ee:71:bd:1b:b9:1f:99:49:6c:76:a1:56:c5:58:38:fb:6b:65:be:b4:63:ba:c8:26:36:57:ce:56:3d:cd:25

Issuing Certificate URL: http://r3.i.lencr.org/

Revocation information

OCSP Server: http://r3.o.lencr.org

Check the revocation status for certificate oosma.com

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for oosma.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

*.oosma.com
oosma.com

Other certificates including the domain name oosma.com

(limited to 100 certificates)
oosma.com
www.govindji.com
oosma.com
www.awarespirit.com
oosma.com
just4vikings.com
organicmushroomstore.com

Certificate

The complete raw certificate details for oosma.com in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----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-----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 333235086095869630365988127859009103692130
 . . . . . . . . [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 'R3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-03-06 02:04:13 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-06-04 02:04:12 +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 'oosma.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 739993745747399077132573181083488698312172865526002570364653558651236455660258625807239739060201436637021824836894116696758613714544910646199699341389970545830337255365942516978722918461604904055850106844771257282591262682307044354625937503738406079657260473696982950314156939124715493660407021927908120919669121711455905716051137653256972241467726654458752490248563833754978686728691468376987726737273196136174190959476644610537356142821592234343453847433248400701366186179284557581825009625328912149880129426881469006439378536479040393139915797381283881511987272388578115011418685330881323421082480550010856852360704391879395616383008948222716682968856359804850454440736773646520494055727043055164711359332297817447978602838292896063529307466347822038652113060531991127455168425805549659386803000282883750195430542826665959150073518420321373684720393014490249638922168682740188630033845490447425038378359476302036779407832355994274578797619114455645225056428495049747386469391319449903100412759095992355464433509584027225276040159836405226500482388326894529849112866863884288464210473050460362915459486382238143384207568335171257848532504998569929713248999572801737301706507731865886888679599449477923475516575720030369617907686073
 . . . . . . . . . . . . . . . . . . . . [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)
							be3cc85b655b8c089f65fa49a94a748693578b89
 . . . . . . . . . . . . . . . . [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 142eb317b75856cbae500940e61faf9d8b14c2c6
 . . . . . . . . . . . . . . . . [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 (73 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://r3.o.lencr.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://r3.i.lencr.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 (26 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.oosma.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'oosma.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 (12 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 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f10076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018e11b7f852000004030047304502205c7e7f519ff5bbf4635867710d67291404794d3b562874d88b03dc0c03f8e1c0022100f382f0188affae030a306de98ace42e45ced12d24e07f2ea7fd5d2d0e498da5300770076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018e11b7f9b20000040300483046022100e1373f87e24aefe180a809a14bf213eeff97af65c01f4e433e1625c3557a5399022100f224e1ae1c6574bf1e3bbce79b012145eaee4b84e891613a8b43916afc33762d
 . . . . [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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