www.crecos.co.jp
Issued by AlphaSSL CA - SHA256 - G4
About this certificate
This digital certificate with serial number 55:cd:83:ad:49:2f:6d:52:04:cf:a6:2c was issued on by GlobalSign nv-sa.
With 2 subject alternative names this certificate can be used to secure multiple fqdn's. This certificate is currently not expired, we haven't checked the revocation status of this certificate but you can do this simply on revocationcheck.com. 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.crecos.co.jp
GlobalSign nv-sa
Organization:
GlobalSign nv-sa
Country:
BE
This certificate will expire on
Certificate Details
Serial Number (hex): 55:cd:83:ad:49:2f:6d:52:04:cf:a6:2cSerial Number (int): 26554677454404864385406182956
Serial Number lenght: 95 bits, 12 octets
SubjectKeyId: dd:84:c0:7e:bd:45:73:89:c6:5a:82:b1:86:59:23:93:17:69:bc:e3
AuthorityKeyId: 4f:cb:ac:a8:c2:ef:ab:dd:83:6f:6b:bf:ce:98:3d:5c:58:25:76:15
Fingerprint (sha1): c0:92:0c:7c:03:45:b0:6e:4f:15:4b:92:fa:53:f1:e1:3c:7f:e9:d1
Fingerprint (sha256): 91:4a:52:46:03:8f:27:6f:fa:a2:80:be:e2:d1:76:12:58:d0:78:81:c5:84:9d:56:a3:b7:4a:ad:17:47:74:86
Issuing Certificate URL: http://secure.globalsign.com/cacert/alphasslcasha256g4.crt
Revocation information
OCSP Server: http://ocsp.globalsign.com/alphasslcasha256g4CRL Distribution Point: http://crl.globalsign.com/alphasslcasha256g4.crl
Check the revocation status for certificate www.crecos.co.jp
2
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for www.crecos.co.jp
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
10 extensions
No
unhandled critical extensions
CA Certificate
This is not a CA certificate
Subject Alternative Names
www.crecos.co.jp
crecos.co.jp
crecos.co.jp
Other certificates including the domain name crecos.co.jp
(limited to 100 certificates)
Certificate
The complete raw certificate details for www.crecos.co.jp in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGTTCCBTWgAwIBAgIMVc2DrUkvbVIEz6YsMA0GCSqGSIb3DQEBCwUAMEwxCzAJ BgNVBAYTAkJFMRkwFwYDVQQKExBHbG9iYWxTaWduIG52LXNhMSIwIAYDVQQDExlB bHBoYVNTTCBDQSAtIFNIQTI1NiAtIEc0MB4XDTIzMDUxMTA4Mjc1NFoXDTI0MDYx MTA4Mjc1M1owGzEZMBcGA1UEAxMQd3d3LmNyZWNvcy5jby5qcDCCASIwDQYJKoZI hvcNAQEBBQADggEPADCCAQoCggEBAMXqAb0EGylHOyP/IQyLgOl9J1ouzzgT6y5q iycnRC1zIr3gHDxr8IXFusasjNRcfSrETFzrOUtwKPKudvbbZgD+IMxJnXduSDjH BPofhw+xwetWKqlOP/Lw8IPLsRRoEGUt6RRAMQnjPyhbs2Glk0LR1sGOVfw2tbwi BqYusgHa/VMChOf8Oe6rvY/Vq16s5+L9j5I06KWniYh4JVHPqZQFcfPlPmdpIw5i 1oOBvqplbpW9qSDfaK39/pFyMGrMzEgZsEZgOEvwcPlFE8iLWpLJqi4b+M//FQbN 5EMUZF8D3Llb3/4+q7al2u0CK4mEF9avG4t8TsakjRut4fjCyyMCAwEAAaOCA14w ggNaMA4GA1UdDwEB/wQEAwIFoDCBkwYIKwYBBQUHAQEEgYYwgYMwRgYIKwYBBQUH MAKGOmh0dHA6Ly9zZWN1cmUuZ2xvYmFsc2lnbi5jb20vY2FjZXJ0L2FscGhhc3Ns Y2FzaGEyNTZnNC5jcnQwOQYIKwYBBQUHMAGGLWh0dHA6Ly9vY3NwLmdsb2JhbHNp Z24uY29tL2FscGhhc3NsY2FzaGEyNTZnNDBXBgNVHSAEUDBOMAgGBmeBDAECATBC BgorBgEEAaAyCgEDMDQwMgYIKwYBBQUHAgEWJmh0dHBzOi8vd3d3Lmdsb2JhbHNp Z24uY29tL3JlcG9zaXRvcnkvMAkGA1UdEwQCMAAwQQYDVR0fBDowODA2oDSgMoYw aHR0cDovL2NybC5nbG9iYWxzaWduLmNvbS9hbHBoYXNzbGNhc2hhMjU2ZzQuY3Js MCkGA1UdEQQiMCCCEHd3dy5jcmVjb3MuY28uanCCDGNyZWNvcy5jby5qcDAdBgNV HSUEFjAUBggrBgEFBQcDAQYIKwYBBQUHAwIwHwYDVR0jBBgwFoAUT8usqMLvq92D b2u/zpg9XFgldhUwHQYDVR0OBBYEFN2EwH69RXOJxlqCsYZZI5MXabzjMIIBfwYK KwYBBAHWeQIEAgSCAW8EggFrAWkAdgBz2Z6JG0yWeKAgfUed5rLGHNBRXnEZKoxr gBB6wXdytQAAAYgJ7I6GAAAEAwBHMEUCIQDJh2zeSEg416YbhTRIPmSKeF+8VLv/ B+WU08IiFrgJIAIgHBlA6HfHUUqWbezFmiJUy13Acm7kVAuHNIidfAqrjtMAdgDu zdBk1dsazsVct520zROiModGfLzs3sNRSFlGcR+1mwAAAYgJ7I5VAAAEAwBHMEUC IQDf1YzWYlUsrlnbYL/GQZ8Tv7aw4HaXt2lSSb9JpfoyEQIgNSDFxEw7CrA2gCvR FZdz5Xan3wbi5dShq7XNMj9UlVgAdwBIsONr2qZHNA/lagL6nTDrHFIBy1bdLIHZ u7+rOdiEcwAAAYgJ7I5uAAAEAwBIMEYCIQCpZKF23PXSzhaDfEOMUEksgV3N6Ih3 g2MVSWY4aY17KwIhAPjoI8PIhNkHxTiJQCuxnAQIQBLdNq0wBfMD5ZZaNTZUMA0G CSqGSIb3DQEBCwUAA4IBAQB8sT01mgi9Iv1/YNVAqSe5RzKiFGfMkPfz5Xpox5oX /4Kp2JHkybwQ8DmxAbkB0xIHldUGGIWDfwOCCOSuUA2QP5lCkLPG/LW4ITAgYW9c T7YAG2EVJOpTNmvb1I1AcFFnYDSMsihPw7npR7uepUdh+cj4KIQPM2rjWceJ7QS3 a5SETu2L/8SOflFKIQr/hg4M6lawDVOdRI8MHGQishsDdfPyto9UHkxn7LsaV35t CdUf7MwDFIfzkKF9QGkt9LZy67j5zXOa8e03tBrDONYJntIrH8HEVccDqANJ1yJt ca3lmfQMmfnzoT5L+cu15qtjzG2WAGvadzyE8LRPl1ZB -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxeoBvQQbKUc7I/8hDIuA 6X0nWi7POBPrLmqLJydELXMiveAcPGvwhcW6xqyM1Fx9KsRMXOs5S3Ao8q529ttm AP4gzEmdd25IOMcE+h+HD7HB61YqqU4/8vDwg8uxFGgQZS3pFEAxCeM/KFuzYaWT QtHWwY5V/Da1vCIGpi6yAdr9UwKE5/w57qu9j9WrXqzn4v2PkjTopaeJiHglUc+p lAVx8+U+Z2kjDmLWg4G+qmVulb2pIN9orf3+kXIwaszMSBmwRmA4S/Bw+UUTyIta ksmqLhv4z/8VBs3kQxRkXwPcuVvf/j6rtqXa7QIriYQX1q8bi3xOxqSNG63h+MLL IwIDAQAB -----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 26554677454404864385406182956 . . . . . . . . [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 'BE' . . . . . . . . . . . . [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 'GlobalSign nv-sa' . . . . . . . . . . . . [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 'AlphaSSL CA - SHA256 - G4' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-05-11 08:27:54 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-06-11 08:27:53 +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.crecos.co.jp' . . . . . . . . [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 24984339127420523019652410698286763679060512208411146365448217114097361471568470681482489439564834700111728347336071868762947665221118200895242493487648779631312845447912131560714810117329570784408240199971073394827062292343593360238217505297413581891087512917667458227417515632027501950846815052930650141908332968472376330758748198702795306873734922794726051444173539388163114511458197521558460238048602865593535807645753572564765913912949093781376239341400666373804242046884976109807687037135560192186492086886540029170884367161541870160550034858992401385626915349402509937339578011626705357644160151546625616169763 . . . . . . . . . . . . . . . . . . . . [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 1.3.6.1.5.5.7.1.1 (authorityInfoAccess) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (134 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2 (caIssuers) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://secure.globalsign.com/cacert/alphasslcasha256g4.crt' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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.globalsign.com/alphasslcasha256g4' . . . . . . . . . . . . . . . . [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 (80 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 1.3.6.1.4.1.4146.10.1.3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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 'https://www.globalsign.com/repository/' . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.19 (basicConstraints) . . . . . . . . . . . . . . . . . . . . [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 2.5.29.31 (cRLDistributionPoints) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (58 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://crl.globalsign.com/alphasslcasha256g4.crl' . . . . . . . . . . . . . . . . [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 (34 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.crecos.co.jp' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'crecos.co.jp' . . . . . . . . . . . . . . . . [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 2.5.29.35 (authorityKeyIdentifier) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName 4fcbaca8c2efabdd836f6bbfce983d5c58257615 . . . . . . . . . . . . . . . . [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) dd84c07ebd457389c65a82b1865923931769bce3 . . . . . . . . . . . . . . . . [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 (367 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (363 bytes) 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 . . . . [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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