DV SSL/TLS Certificate for www.nxt-sys.jp

Certificate is witin its validity period

Issued by DigiCert Inc (RapidSSL TLS RSA CA G1)

About the www.nxt-sys.jp DV SSL/TLS Certificate

This certificate with serial number 0e:54:60:61:ac:53:48:76:06:e5:15:f1:36:c7:c2:a9 for www.nxt-sys.jp was issued on by DigiCert Inc.

This DV SSL/TLS Certificate is currently within its validity period but we haven't checked the revocation status of this certificate, you can do this simply on revocationcheck.com. We have found some issues with the compliance of this certificate, they are be shown below. We hope this DV SSL/TLS Certificate review for www.nxt-sys.jp provides you with the detailed information you were looking for.


We have identified some issues with this certificate:
  • 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)

DigiCert Inc

Organization: DigiCert Inc
Organizational unit: www.digicert.com
Country: US

This X.509 certificate will expire on

Certificate Details

Serial Number (hex): 0e:54:60:61:ac:53:48:76:06:e5:15:f1:36:c7:c2:a9
Serial Number (int): 19047299726891566905350066859456053929
Serial Number Length: 124 bits, 16 octets

Subject Key Identifier: ee:61:d5:e6:27:63:20:8b:57:22:fe:25:78:61:31:c4:40:c8:6a:be
Authority Key Identifier: 0c:db:6c:82:49:0f:4a:67:0a:b8:14:ee:7a:c4:48:52:88:eb:56:38

Fingerprint (SHA-1): 21:ca:61:b1:c7:8d:68:b5:65:93:fd:b7:2a:0b:68:9e:69:4e:8d:1a
Fingerprint (SHA-256): b1:e1:6d:ee:9c:a3:eb:2c:5c:33:c9:e7:19:16:d6:d3:cc:56:ed:e6:63:1e:d2:27:21:9f:ba:ca:15:4a:b2:87

Issuing Certificate URL: http://cacerts.rapidssl.com/RapidSSLTLSRSACAG1.crt

Revocation Information

OCSP Server: http://status.rapidssl.com
CRL Distribution Point: http://cdp.rapidssl.com/RapidSSLTLSRSACAG1.crl

Check the revocation status for certificate www.nxt-sys.jp
1
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details of the X.509 certificate for www.nxt-sys.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
CA Certificate
This is not a CA certificate

Subject Alternative Names

www.nxt-sys.jp

X.509 Certificate

The complete raw X.509 certificate details for www.nxt-sys.jp in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAz2i0brE2y7bXaiczBeyx
fGPY9C9KDyc5wv/0I4rEriY2YPtsUarQTS4tZYbEssiybhOTiwGzEWZ+d2dFnkbB
HJzMojKlR3EalX9eVD7OQdHC9VpJ9/RKJDqQpEalCsnJ/je5gyaigMccF9GjMvSl
Kui6XBzvUI+vC9J2Cq+ew2CzLavfLDuKbJBcN+uViW3ndMqgeJnpn6kJphEe783x
wSIRllzBTBjfwvdzWZCJXDOpJngFUDoMwwuXq7l7Q0HZWj02DSl5f5wEoQRJvh8E
gGoF1neDJ/3Z7CfJBdmvRi0/INUMEoyCsmADqqbholk2jTBeIm/DuA0ietI+UY4o
iQIDAQAB
-----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 19047299726891566905350066859456053929
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11
 . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'DigiCert Inc'
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.11
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'www.digicert.com'
 . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'RapidSSL TLS RSA CA G1'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-06-20 00:00:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2026-06-23 23:59:59 +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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'www.nxt-sys.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
 . . . . . . . . . . . . . . . . [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 26182960996118198135219917944261387102771161847210201011555080032241028202606095562835187264080842722271240717910141324954469447061696530463381123877433808920199837608202392803852122208805578494594973274442949472899317630711023166799417670867810319032497504934110615089025556468594897551779569162871358866564806299720617090006680555141823806547990853783283748259694061645863827886493733311790187147857888682033505592291521417750455341639830035833592913778503418981794176406416260830155465415191645631739991351672883748822044842613878994259291749720671125133943437722215711934949988401639476410694919045878720024684681
 . . . . . . . . . . . . . . . . . . . . [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 2.5.29.35
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName 0cdb6c82490f4a670ab814ee7ac4485288eb5638
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.14
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (20 bytes)
							ee61d5e62763208b5722fe25786131c440c86abe
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.17
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (18 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.nxt-sys.jp'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.32
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (55 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
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:22|false] IA5String 'http://www.digicert.com/CPS'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.15
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.2
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.31
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (56 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://cdp.rapidssl.com/RapidSSLTLSRSACAG1.crl'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.1.1
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (106 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
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://status.rapidssl.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://cacerts.rapidssl.com/RapidSSLTLSRSACAG1.crt'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.19
 . . . . . . . . . . . . . . . . . . . . [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 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (366 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (362 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
 . . . . . . . . [c:0|t:5|false] NULL []
 . . . . [c:0|t:3|false] BIT STRING (2048 bits)
		006c18f647cbe6d63ab3af405f6e823f24cf8c978bf53673b513ec7f1bdc0f8c0eee35f76f2a0aa1bcebe6be2e0dd2229d56f9f86b1580a76646a2967c9f55850c1c526a9f01526288f9bb1478c365b8fd64d73b170dba246e4d0d8d24107a835aa636e7302c76475dfb254a6335c93242fde83291504e67c4fecefd81a20be4bd491871cc69e7a90914da7704613ae0d416f907d5b78479010e947edcd62d54b2a5dc311938a95f04f5b356df0e97527e0e0415b617551a97b97749d031db9431ea800b956a4ea1e12466757a824fb53acca1ea8220199bcb0761a53f68c3bd63e70e6c915f258b3f9e89f794315787b0c39a1e57113df88236fd5787fd265e4a