subboard.com
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:df:07:fa:ef:6a:6b:04:89:77:72:0f:70:55:d4:f0:6d:cc was issued on by Let's Encrypt.
With 3 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=subboard.com
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:df:07:fa:ef:6a:6b:04:89:77:72:0f:70:55:d4:f0:6d:ccSerial Number (int): 337230433144762346290404698336837283900876
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 54:17:57:e2:f0:9b:76:7d:2a:a0:d8:63:d9:01:d5:51:f0:8e:20:70
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): ba:a5:ee:ab:17:88:13:8e:60:39:22:7e:c0:f4:da:db:30:bd:23:61
Fingerprint (sha256): 92:35:52:25:49:32:0e:2c:c7:24:f9:7d:dc:5d:cb:5e:f3:43:d4:b3:07:79:b3:f7:61:2c:ec:5c:a9:ef:0e:19
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate subboard.com
3
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for subboard.com
Public Key Algorithm
RSA
Key Size
2048
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
subboard.buffalo.edu
subboard.com
www.subboard.com
subboard.com
www.subboard.com
Other certificates including the domain name subboard.com
(limited to 100 certificates)
subboard.com
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subboard.com
subboard.com
subboard.com
subboard.com
subboard.com
subboard.com
subboard.com
subboard.com
subboard.com
subboard.com
subboard.com
subboard.com
tickets.subboard.com
subboard.com
subboard.com
subboard.com
subboard.com
subboard.com
subboard.com
subboard.com
subboard.com
subboard.com
subboard.com
subboard.com
www.subboard.com
subboard.com
subboard.com
subboard.com
subboard.com
subboard.com
Certificate
The complete raw certificate details for subboard.com in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGKjCCBRKgAwIBAgISA98H+u9qawSJd3IPcFXU8G3MMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xODA4MjIxODE3MTJaFw0x ODExMjAxODE3MTJaMBcxFTATBgNVBAMTDHN1YmJvYXJkLmNvbTCCASIwDQYJKoZI hvcNAQEBBQADggEPADCCAQoCggEBAIb0/VX6UR/YG2xBfus/Oh/kyKht+yta+lBN GMB1oqLgHMKclEB0LcysD4BJQXfAh23XWpI1gDtgCHIxM4eR/YGcDSdsEyQr/wiQ 8O/zkXidMavjjw/n8dmI7neZRSSuSj7Z3yLQ9OgKwoBU3H0kL9u5h88q9MfASmFD 6m5t5AAIf4Guwnj4Ynjep+3HfIaqv5li/rXs5CM0zb4ZqEScm6mpEmsKX0/AIsYb 0xKcphxPuoiOZDAaQEOVzMlhTZSx8TwRd9v3mVgSPpomyy4Z4VybUd7lCjYPGKT/ yYkn2EAiCmbf+Q06yo/eqFZStoQjNTLyZc+CZoDhRS+dVL9nDtcCAwEAAaOCAzsw ggM3MA4GA1UdDwEB/wQEAwIFoDAdBgNVHSUEFjAUBggrBgEFBQcDAQYIKwYBBQUH AwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQUVBdX4vCbdn0qoNhj2QHVUfCOIHAw HwYDVR0jBBgwFoAUqEpqYwR93brm0Tm3pkVl7/Oo7KEwbwYIKwYBBQUHAQEEYzBh MC4GCCsGAQUFBzABhiJodHRwOi8vb2NzcC5pbnQteDMubGV0c2VuY3J5cHQub3Jn MC8GCCsGAQUFBzAChiNodHRwOi8vY2VydC5pbnQteDMubGV0c2VuY3J5cHQub3Jn LzA/BgNVHREEODA2ghRzdWJib2FyZC5idWZmYWxvLmVkdYIMc3ViYm9hcmQuY29t ghB3d3cuc3ViYm9hcmQuY29tMIH+BgNVHSAEgfYwgfMwCAYGZ4EMAQIBMIHmBgsr BgEEAYLfEwEBATCB1jAmBggrBgEFBQcCARYaaHR0cDovL2Nwcy5sZXRzZW5jcnlw dC5vcmcwgasGCCsGAQUFBwICMIGeDIGbVGhpcyBDZXJ0aWZpY2F0ZSBtYXkgb25s eSBiZSByZWxpZWQgdXBvbiBieSBSZWx5aW5nIFBhcnRpZXMgYW5kIG9ubHkgaW4g YWNjb3JkYW5jZSB3aXRoIHRoZSBDZXJ0aWZpY2F0ZSBQb2xpY3kgZm91bmQgYXQg aHR0cHM6Ly9sZXRzZW5jcnlwdC5vcmcvcmVwb3NpdG9yeS8wggEDBgorBgEEAdZ5 AgQCBIH0BIHxAO8AdgDbdK/uyynssf7KPnFtLOW5qrs294Rxg8ddnU83th+/ZAAA AWVjEcGPAAAEAwBHMEUCICsp+wU/bZ2YbgBhX2uIBiLJhrW0ZBeq5vuVkPY1PB8e AiEAq6htn/mB1WbGioElvQNOmpJsU/ZnlPNsjzUd6p+QJe0AdQApPFGWVMg5Zbqq UPxYB9S3b79Yeily3KTDDPTlRUf0eAAAAWVjEcGGAAAEAwBGMEQCIGJWSalmR827 cAWGg6rtBUpbotgRdjyGLU73ChXkOApWAiB6Oa9LwwvRcpH5mkQfBnny6xGfrD0m YCOV1U6axjeb0jANBgkqhkiG9w0BAQsFAAOCAQEANI8yYJkeSFRXi1Atb1FmYpr5 n5hgmFCV3+auzySxLqaWgahPOYUvnEb/9iXX2Gfcg7DLcSSXegEW0DVkBvmy8fqc EFnnsiTaUtfEqdZ7OposEc/ec7CeDdG9FCoyRes2u/MKlCAqDnCpRJi2aHOnMT+p hGucsQLjX3MkyvncY7zm3iiarJa684DV07FlZtqgbRLtmls+IJ5lD39FPX2vFcRT /lqRVVq/dOlcLkaX0LfZP7QlMdtajo0/bIaSWNwMw++dopoow4vwUsEHskWhWB3D Rewzi/W1+l3+2k4tik4c9CYN6ZFsu7TLwqcwoYeED4Ksp2bf7/F7nFpdS9hGhQ== -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAhvT9VfpRH9gbbEF+6z86 H+TIqG37K1r6UE0YwHWiouAcwpyUQHQtzKwPgElBd8CHbddakjWAO2AIcjEzh5H9 gZwNJ2wTJCv/CJDw7/OReJ0xq+OPD+fx2Yjud5lFJK5KPtnfItD06ArCgFTcfSQv 27mHzyr0x8BKYUPqbm3kAAh/ga7CePhieN6n7cd8hqq/mWL+tezkIzTNvhmoRJyb qakSawpfT8AixhvTEpymHE+6iI5kMBpAQ5XMyWFNlLHxPBF32/eZWBI+mibLLhnh XJtR3uUKNg8YpP/JiSfYQCIKZt/5DTrKj96oVlK2hCM1MvJlz4JmgOFFL51Uv2cO 1wIDAQAB -----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 337230433144762346290404698336837283900876 . . . . . . . . [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 2018-08-22 18:17:12 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2018-11-20 18:17:12 +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 'subboard.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 (2160 bits) . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 17036741736450845597733645780283494795887613139939893420717275406003405525859987120979954765533647681987482055267038104810277709762179268178092482173607378714041482171227332272131067788099280192714087849139013814103866603711007021575715655060750272813558174766324409932518017915373699462520329437377471235037989273974891396968514659998096549856096959054379753396282891604320875873594987541504269271626157325594449613770154488036797450537869057089373924541375577990595113922333075984916935009150385067801943280904027451383106683171580762609981791957332970534151507102070641758374766254807746545084151578856400871689943 . . . . . . . . . . . . . . . . . . . . [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) 541757e2f09b767d2aa0d863d901d551f08e2070 . . . . . . . . . . . . . . . . [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 (56 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'subboard.buffalo.edu' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'subboard.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.subboard.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 (246 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 1.3.6.1.5.5.7.2.2 (unotice) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:12|false] UTF8String 'This Certificate may only be relied upon by Relying Parties and only in accordance with the Certificate Policy found at https://letsencrypt.org/repository/' . . . . . . . . . . . . . . . . [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 (244 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes) 00ef007600db74afeecb29ecb1feca3e716d2ce5b9aabb36f7847183c75d9d4f37b61fbf64000001656311c18f000004030047304502202b29fb053f6d9d986e00615f6b880622c986b5b46417aae6fb9590f6353c1f1e022100aba86d9ff981d566c68a8125bd034e9a926c53f66794f36c8f351dea9f9025ed007500293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f478000001656311c18600000403004630440220625649a96647cdbb70058683aaed054a5ba2d811763c862d4ef70a15e4380a5602207a39af4bc30bd17291f99a441f0679f2eb119fac3d26602395d54e9ac6379bd2 . . . . [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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