oosma.com
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:27:96:ed:ab:0f:68:a1:94:be:7e:ab:b7:f3:5f:5c:c2:9e 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:
- Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)
Certificate Subject
CN=oosma.com
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:27:96:ed:ab:0f:68:a1:94:be:7e:ab:b7:f3:5f:5c:c2:9eSerial Number (int): 274808488348433396592679074815474665308830
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: b5:1d:ed:99:fb:ee:4e:72:78:71:f7:d6:6e:54:61:0a:73:9d:76:a0
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): d6:c0:12:76:4e:83:99:9b:a8:28:1d:f0:cf:0e:48:ed:17:07:30:2e
Fingerprint (sha256): 1e:7b:89:3d:4d:5e:49:91:8e:70:11:7c:17:80:b2:38:8f:38:a9:20:1f:f2:96:d5:ba:e5:b0:38:7c:ab:a4:f5
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck 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
www.oosma.com
www.oosma.com
Other certificates including the domain name oosma.com
(limited to 100 certificates)
Certificate
The complete raw certificate details for oosma.com in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGWTCCBUGgAwIBAgISAyeW7asPaKGUvn6rt/NfXMKeMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0yMDAyMTIyMjI3NDlaFw0y MDA1MTIyMjI3NDlaMBQxEjAQBgNVBAMTCW9vc21hLmNvbTCCAiIwDQYJKoZIhvcN AQEBBQADggIPADCCAgoCggIBAMcp87e03lp3gLDy7mELw5zqsd2G0FA+iJI6m9vs arvo2Fpdvpi2Yx9PY93FKwwERNEJAQDRcAuxEujn6tFNimlsN9EbpceAh5qYBZ5n oQ28U/GWPsgoaguH/izJ+qaltPnNkr7llCV2nh7qrMwYwbrEI7tyvNLDXA4U8k8f 34spxIdT1GStgt2WmWYhWCh8HlRArUpyhlv9FrimbkEfTOs+k9b/3pK7uSEJ0PDM rLZKJSeh4hIx6aPFE3e5wO/FSExkK1t6ViKxpVLoLf3mC1TVEDfwsmCiYapPPuDl kOR5ZLrCoPEGK8OAxxesGXuuuI1p0q4+bCBeYPN0LOg4brLadhK7hDmmzQS5nlY9 xxMNrtreo5b3O2YzwefpCROZjkt8SwrhwYjE2hxdlNM1jSJFYyUtUK79g/2xJC3V WGm8qMpcS3tMsZqa5ZDE12uijXrgSnzKEqLHEFIXvaOqPMT+uK236zONjm/z1xiJ iO+DFgf6ru1K1OrTq7fe3eotWWvJP37iEZzoaoQV2mkzhNpMFsnKqUXxhLb6h7rx 4n6LB3vqS3l4Y1OaGYqYQ0sF/7R4T1aKfdepAOdcVdqBB3igXUfYakQtQDEDFZ0P EsKUa+bFkivNeUKI4JS1ZwQ7R1SY5MbmiNruxX4cVbJnJxaI62tuzENpKZFn+6cq ScaHAgMBAAGjggJtMIICaTAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0lBBYwFAYIKwYB BQUHAwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYEFLUd7Zn77k5y eHH31m5UYQpznXagMB8GA1UdIwQYMBaAFKhKamMEfd265tE5t6ZFZe/zqOyhMG8G CCsGAQUFBwEBBGMwYTAuBggrBgEFBQcwAYYiaHR0cDovL29jc3AuaW50LXgzLmxl dHNlbmNyeXB0Lm9yZzAvBggrBgEFBQcwAoYjaHR0cDovL2NlcnQuaW50LXgzLmxl dHNlbmNyeXB0Lm9yZy8wIwYDVR0RBBwwGoIJb29zbWEuY29tgg13d3cub29zbWEu Y29tMEwGA1UdIARFMEMwCAYGZ4EMAQIBMDcGCysGAQQBgt8TAQEBMCgwJgYIKwYB BQUHAgEWGmh0dHA6Ly9jcHMubGV0c2VuY3J5cHQub3JnMIIBBAYKKwYBBAHWeQIE AgSB9QSB8gDwAHYA8JWkWfIA0YJAEC0vk4iOrUv+HUfjmeHQNKawqKqOsnMAAAFw O7rnfQAABAMARzBFAiEAh0YgkNiS/mVyKf4j4hdE497b4/SSGkpP6pKZUfjU/LAC IBBcUWK2+DZEql0X4nKldx7cy4kczJN1wP3PaHFNy76NAHYAsh4FzIuizYogTodm +Su5iiUgZ2va+nDnsklTLe+LkF4AAAFwO7rncAAABAMARzBFAiEAlxWbpVK9uosG RJ9by6djIZkJJvHe7rydxvEZbyAc1QMCIA+J5xKxqFFAQnhhyjCUXFi7LNgpo6kO XU0Aq3yVfqgWMA0GCSqGSIb3DQEBCwUAA4IBAQADbCtBlQnQr1zXkVyuhapuvwCn 3++M50XsQ+0vDhKEknFFTBAmsXJl0YgF1FFVon5EqtirUbw4rrotkHlu7WAo16uB 1ASdo1ZeobQPberdX1TBH8FqXFnfH9QepN3/klBInUaFIy3uWTHu+k3987gtSrBN 61jXCXHC0ZLnk5AEDLjJ6YEuFp65bPb6zmhzeUTSryjhlkYFyybSG9EfdPqa0W+B iPln+89ph5uZJn5Yu5JwARaXnlPR/sgzsqrzbfThccDoYn79FHhMZIiVuMpx72x1 jmcQW8aX1k1jkKNCh1HblPRBPRZh0CzYkAxUkhHH4+zG+VHtk1DGki79a2pO -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAxynzt7TeWneAsPLuYQvD nOqx3YbQUD6Ikjqb2+xqu+jYWl2+mLZjH09j3cUrDARE0QkBANFwC7ES6Ofq0U2K aWw30Rulx4CHmpgFnmehDbxT8ZY+yChqC4f+LMn6pqW0+c2SvuWUJXaeHuqszBjB usQju3K80sNcDhTyTx/fiynEh1PUZK2C3ZaZZiFYKHweVECtSnKGW/0WuKZuQR9M 6z6T1v/ekru5IQnQ8MystkolJ6HiEjHpo8UTd7nA78VITGQrW3pWIrGlUugt/eYL VNUQN/CyYKJhqk8+4OWQ5HlkusKg8QYrw4DHF6wZe664jWnSrj5sIF5g83Qs6Dhu stp2EruEOabNBLmeVj3HEw2u2t6jlvc7ZjPB5+kJE5mOS3xLCuHBiMTaHF2U0zWN IkVjJS1Qrv2D/bEkLdVYabyoylxLe0yxmprlkMTXa6KNeuBKfMoSoscQUhe9o6o8 xP64rbfrM42Ob/PXGImI74MWB/qu7UrU6tOrt97d6i1Za8k/fuIRnOhqhBXaaTOE 2kwWycqpRfGEtvqHuvHifosHe+pLeXhjU5oZiphDSwX/tHhPVop916kA51xV2oEH eKBdR9hqRC1AMQMVnQ8SwpRr5sWSK815QojglLVnBDtHVJjkxuaI2u7FfhxVsmcn Fojra27MQ2kpkWf7pypJxocCAwEAAQ== -----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 274808488348433396592679074815474665308830 . . . . . . . . [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 2020-02-12 22:27:49 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-05-12 22:27:49 +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 '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 812517721556477653641560882573090126043786135507660165551315827854957454445952619559797984023157577296532823093970282525842060438077263752867064416066111246152319857252134717080609084035126696466694473401905407201896205684290824400558780956077119798937612564537698089174566567332750197171626672713486534391606209604393068529960309110734197538714492786889296980349549584306502829420170768897459467163631115307781556252835017849832582080722708550793709794494736727175520776694860597790540088060176543681610428157485060704060242113718736996652651244818927490300118401462753063812823706121088736045049876500829840983813144971061166047669789425653555460870612806052622924607556822527567652778512256968632743574978236018730874774107346007976805649998167289315292629829902209287792545053416313354465871811979939783099676497131525724928689386710246642840200022469075556654395468719981097646980261379114075270562703503228387513321188819000594043274201258572160080277970865473123338088211718605064850708928214986972932030730328699182891083940403745987540947221392967562395024299270799224656834505997563372211051822628864784169705865177838249007526289331599753172753133505799126295729229451963341738986034967167595866691634534257967433215755911 . . . . . . . . . . . . . . . . . . . . [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) b51ded99fbee4e727871f7d66e54610a739d76a0 . . . . . . . . . . . . . . . . [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 (28 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'oosma.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.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 (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) 00f0007600f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb273000001703bbae77d000004030047304502210087462090d892fe657229fe23e21744e3dedbe3f4921a4a4fea929951f8d4fcb00220105c5162b6f83644aa5d17e272a5771edccb891ccc9375c0fdcf68714dcbbe8d007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e000001703bbae770000004030047304502210097159ba552bdba8b06449f5bcba76321990926f1deeebc9dc6f1196f201cd50302200f89e712b1a85140427861ca30945c58bb2cd829a3a90e5d4d00ab7c957ea816 . . . . [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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