www.alumniserv.com
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:a4:0c:cd:b0:b8:97:1f:2d:dc:54:ce:36:2c:ae:35:25:61 was issued on by Let's Encrypt.
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We have idenified some issues with this certificate:
- Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)
Certificate Subject
CN=www.alumniserv.com
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:a4:0c:cd:b0:b8:97:1f:2d:dc:54:ce:36:2c:ae:35:25:61Serial Number (int): 317160184711448908653076778760349051856225
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: eb:c2:85:b7:40:56:d7:34:cf:a5:42:7b:51:2b:a4:ae:12:f7:0f:60
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): c6:26:36:c9:88:4c:d4:af:01:dc:ba:30:e3:77:bd:b8:d8:4e:f7:56
Fingerprint (sha256): 46:ba:8a:7e:c6:f3:5d:79:d0:88:1c:9c:9f:dd:89:96:38:30:57:86:b7:2c:96:98:96:b5:c3:2a:ba:65:71:12
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.alumniserv.com
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for www.alumniserv.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
www.alumniserv.com
Other certificates including the domain name alumniserv.com
(limited to 100 certificates)
Certificate
The complete raw certificate details for www.alumniserv.com in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIFXDCCBESgAwIBAgISA6QMzbC4lx8t3FTONiyuNSVhMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTA4MTYwNTMzMjdaFw0x OTExMTQwNTMzMjdaMB0xGzAZBgNVBAMTEnd3dy5hbHVtbmlzZXJ2LmNvbTCCASIw DQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAIhOdd3EJ9GzFohwRo2pvUpGEKQ/ VS1w7dQKvSH6HW9EZhsHWW0jXZHBHaU6rYec9DBqIfHl2NtZ/NwJuAV3aJtVPVbJ LFB7dnJlIXXkVr47eF0mhkI1LyC4rjul+oeJEJeSFysL12leAIXFJ3LErUbBs/pd N/WfPTzt+66M1h8FTX3GRDgzK3uCtsvzFtayd8SMxVHJDxXNWqF0cxrc4hcSE3XU abdmgdW+7aoHH5yC33M4qfP5qqKGubjXymmNSleh0OcLFeYVXvj5fPWtbxswIZUO /MTgyMrzD9PXsntHHuY2C2yhBG11xA670IF5FGVqZPFie95qx1AmXkOA8BUCAwEA AaOCAmcwggJjMA4GA1UdDwEB/wQEAwIFoDAdBgNVHSUEFjAUBggrBgEFBQcDAQYI KwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQU68KFt0BW1zTPpUJ7USuk rhL3D2AwHwYDVR0jBBgwFoAUqEpqYwR93brm0Tm3pkVl7/Oo7KEwbwYIKwYBBQUH AQEEYzBhMC4GCCsGAQUFBzABhiJodHRwOi8vb2NzcC5pbnQteDMubGV0c2VuY3J5 cHQub3JnMC8GCCsGAQUFBzAChiNodHRwOi8vY2VydC5pbnQteDMubGV0c2VuY3J5 cHQub3JnLzAdBgNVHREEFjAUghJ3d3cuYWx1bW5pc2Vydi5jb20wTAYDVR0gBEUw QzAIBgZngQwBAgEwNwYLKwYBBAGC3xMBAQEwKDAmBggrBgEFBQcCARYaaHR0cDov L2Nwcy5sZXRzZW5jcnlwdC5vcmcwggEEBgorBgEEAdZ5AgQCBIH1BIHyAPAAdgB0 ftqDMa0zEJEhnM4lT0Jwwr/9XkIgCMY3NXnmEHvMVgAAAWyZIYovAAAEAwBHMEUC IErZrFXknR//C3vriRjzgrCerUMPOwkWGpgqLeDqnqLkAiEA+S56jBdZQukiNMt5 j63z0+aDAffLK+NQWHk4JJXHKhgAdgBj8tvN6DvMLM8LcoQnV2szpI1hd4+9daY4 scdoVEvYjQAAAWyZIYhcAAAEAwBHMEUCIQDdsZ2VHjO0Fdcgp7Drbr8CSzoRTcml yZXlcGubHE8iWwIgQ6r0Dev8e2emlm2K+3p+3mOEW909+rMPdOyAIFeeiwQwDQYJ KoZIhvcNAQELBQADggEBAI/p+U3GtniyWp5EMnKCAV3Y8GQd5Znl8BiNHz4NmPXQ vIfmeGA4pGtaDxYoM0xsvERgwsergySyhkFfBkg9GR2POuVqkaH0diH6NG3gzKIb bjeAP3AVEUb7+4UizCDRG6G8dXbArs47H42KXKVoNoyDbRWg65lDu61a7+GNy1uY mb6is2t1dRxSkXjxaw13bWnhduh2eYx2VJVtlOD1IQr7UEfqUMfh8N48p797FIQX 9k9+7zbY7rOrst5Qow4yrxnFfURUTmbzxcp8VjoMFDbOnPsDcvthpDetf4a6gyYb TYzfC47J5ol9mtJRDZlOQM/To9GfQrrXOxoG7EVDZVY= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAiE513cQn0bMWiHBGjam9 SkYQpD9VLXDt1Aq9Ifodb0RmGwdZbSNdkcEdpTqth5z0MGoh8eXY21n83Am4BXdo m1U9VsksUHt2cmUhdeRWvjt4XSaGQjUvILiuO6X6h4kQl5IXKwvXaV4AhcUncsSt RsGz+l039Z89PO37rozWHwVNfcZEODMre4K2y/MW1rJ3xIzFUckPFc1aoXRzGtzi FxITddRpt2aB1b7tqgcfnILfczip8/mqooa5uNfKaY1KV6HQ5wsV5hVe+Pl89a1v GzAhlQ78xODIyvMP09eye0ce5jYLbKEEbXXEDrvQgXkUZWpk8WJ73mrHUCZeQ4Dw FQIDAQAB -----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 317160184711448908653076778760349051856225 . . . . . . . . [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 2019-08-16 05:33:27 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-11-14 05:33:27 +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.alumniserv.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 17207099748092840576822027095303675441841835509392030594692784658997849335063853978031950423907764911890532716434441536970536201210209590515634029328108514559760116781820506012266544492787842425558561055763803011422528882077062993420898245270296158710473765939310078461197668985592964247062343869527694501720122746525074387919221910941939494741594301834525267661153841856690530309956367077331176479633660977245574562383090992014604198594246211958777263879533668452039267703893371072954716029559531311988225880774590734086642495675545225330841676755846767245391136896190497473410539822619150148624868138646931452784661 . . . . . . . . . . . . . . . . . . . . [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) ebc285b74056d734cfa5427b512ba4ae12f70f60 . . . . . . . . . . . . . . . . [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 (22 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.alumniserv.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) 00f0007600747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc560000016c99218a2f000004030047304502204ad9ac55e49d1fff0b7beb8918f382b09ead430f3b09161a982a2de0ea9ea2e4022100f92e7a8c175942e92234cb798fadf3d3e68301f7cb2be3505879382495c72a1800760063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d0000016c9921885c0000040300473045022100ddb19d951e33b415d720a7b0eb6ebf024b3a114dc9a5c995e5706b9b1c4f225b022043aaf40debfc7b67a6966d8afb7a7ede63845bdd3dfab30f74ec8020579e8b04 . . . . [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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