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SSL Checker

Submit the Hostname and Port in the fields below. This checker supports SNI and STARTTLS.

Report

Hostname: Matches Common Name or/and SAN
Expired: No (226 days till expiration)
Public Key: We were unable to find any issues in the public key of end-entity certificate
Trusted: Yes, we were able to verify the certificate
Self-Signed: No, the end-entity certificate is not self-signed
Chain Issues: No, we were unable to detect any issues in the certificate chain sent by the server
Weak signatures: No, certificates sent by the server were not signed utilizing a weak hash function
OCSP Status: OCSP Responder returned "good" status for the end-entity certificate

DNS Information

Resolves To: 133.159.67.120
Reverse IP lookup: 120.67.159.133.static.iijgio.jp.
Nameserver: ns.ndl.go.jp.
Nameserver: ns2.ndl.go.jp.
Nameserver: ns3.ndl.go.jp.
Nameserver: ns4.ndl.go.jp.
Nameserver: dns-a.iij.ad.jp.

General Information

Common Name: www.ndl.go.jp
SANs: DNS:www.ndl.go.jpDNS:ndl.go.jp Total number of SANs: 2
Organization: National Diet Library
Locality: Chiyoda-ku
Signature Algorithm: sha256WithRSAEncryption
Key Type: RSA
Key size: 2048 bits
Serial Number: 753f19f1b47b6af4c75a82c7f053637
Not Before: Oct 11, 2023 00:00:00 GMT
Not After: Nov 10, 2024 23:59:59 GMT
Number of certs: 2
Revocation Status: good
OCSP Stapling: Not Supported
Server: Apache
HSTS: max-age=31536000
HPKP: Not Supported

Chain Information

Certificate # 1 - Common Name: www.ndl.go.jp

Decode this certificate for verbose information →
Subject Common Name www.ndl.go.jp
Subject Organization National Diet Library
Issuer Common Name DigiCert Global G2 TLS RSA SHA256 2020 CA1
Issuer Organization DigiCert Inc
Not Before: Oct 11, 2023 00:00:00 GMT
Not After: Nov 10, 2024 23:59:59 GMT
Signature Algorithm: sha256WithRSAEncryption
Serial Number: 753f19f1b47b6af4c75a82c7f053637
SHA1 Fingerprint: 08:07:51:AD:8B:35:A0:32:B7:E3:20:5C:F5:25:42:93:94:54:AD:8B
MD5 Fingerprint: 6D:0C:76:2C:43:7D:DF:A7:4F:3C:9C:00:35:81:19:64

Certificate # 2 - Common Name: DigiCert Global G2 TLS RSA SHA256 2020 CA1

Decode this certificate for verbose information →
In place? Yes, this certificate directly certifies the preceding one
Subject Common Name DigiCert Global G2 TLS RSA SHA256 2020 CA1
Subject Organization DigiCert Inc
Issuer Common Name DigiCert Global Root G2
Issuer Organization DigiCert Inc
Not Before: Mar 30, 2021 00:00:00 GMT
Not After: Mar 29, 2031 23:59:59 GMT
Signature Algorithm: sha256WithRSAEncryption
Serial Number: cf5bd062b5602f47ab8502c23ccf066
SHA1 Fingerprint: 1B:51:1A:BE:AD:59:C6:CE:20:70:77:C0:BF:0E:00:43:B1:38:26:12
MD5 Fingerprint: 21:14:C6:BF:5B:E1:5E:FD:DD:3C:F6:A5:F9:43:EE:8A

OpenSSL Handshake

depth=2 C = US, O = DigiCert Inc, OU = www.digicert.com, CN = DigiCert Global Root G2
verify return:1
depth=1 C = US, O = DigiCert Inc, CN = DigiCert Global G2 TLS RSA SHA256 2020 CA1
verify return:1
depth=0 C = JP, ST = Tokyo, L = Chiyoda-ku, O = National Diet Library, CN = www.ndl.go.jp
verify return:1
CONNECTED(00000003)
OCSP response: no response sent
---
Certificate chain
 0 s:C = JP, ST = Tokyo, L = Chiyoda-ku, O = National Diet Library, CN = www.ndl.go.jp
   i:C = US, O = DigiCert Inc, CN = DigiCert Global G2 TLS RSA SHA256 2020 CA1
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----
 1 s:C = US, O = DigiCert Inc, CN = DigiCert Global G2 TLS RSA SHA256 2020 CA1
   i:C = US, O = DigiCert Inc, OU = www.digicert.com, CN = DigiCert Global Root G2
-----BEGIN CERTIFICATE-----
MIIEyDCCA7CgAwIBAgIQDPW9BitWAvR6uFAsI8zwZjANBgkqhkiG9w0BAQsFADBh
MQswCQYDVQQGEwJVUzEVMBMGA1UEChMMRGlnaUNlcnQgSW5jMRkwFwYDVQQLExB3
d3cuZGlnaWNlcnQuY29tMSAwHgYDVQQDExdEaWdpQ2VydCBHbG9iYWwgUm9vdCBH
MjAeFw0yMTAzMzAwMDAwMDBaFw0zMTAzMjkyMzU5NTlaMFkxCzAJBgNVBAYTAlVT
MRUwEwYDVQQKEwxEaWdpQ2VydCBJbmMxMzAxBgNVBAMTKkRpZ2lDZXJ0IEdsb2Jh
bCBHMiBUTFMgUlNBIFNIQTI1NiAyMDIwIENBMTCCASIwDQYJKoZIhvcNAQEBBQAD
ggEPADCCAQoCggEBAMz3EGJPprtjb+2QUlbFbSd7ehJWivH0+dbn4Y+9lavyYEEV
cNsSAPonCrVXOFt9slGTcZUOakGUWzUb+nv6u8W+JDD+Vu/E832X4xT1FE3LpxDy
FuqrIvAxIhFhaZAmunjZlx/jfWardUSVc8is/+9dCopZQ+GssjoP80j812s3wWPc
3kbW20X+fSP9kOhRBx5Ro1/tSUZUfyyIxfQTnJcVPAPooTncaQwywa8WV0yUR0J8
osicfebUTVSvQpmowQTCd5zWSOTOEeAqgJnwQ3DPP3Zr0UxJqyRewg2C/Uaoq2yT
zGJSQnWS+Jr6Xl6ysGHlHx+5fwmY6D36g39HaaECAwEAAaOCAYIwggF+MBIGA1Ud
EwEB/wQIMAYBAf8CAQAwHQYDVR0OBBYEFHSFgMBmx9833s+9KTeqAx2+7c0XMB8G
A1UdIwQYMBaAFE4iVCAYlebjbuYP+vq5Eu0GF485MA4GA1UdDwEB/wQEAwIBhjAd
BgNVHSUEFjAUBggrBgEFBQcDAQYIKwYBBQUHAwIwdgYIKwYBBQUHAQEEajBoMCQG
CCsGAQUFBzABhhhodHRwOi8vb2NzcC5kaWdpY2VydC5jb20wQAYIKwYBBQUHMAKG
NGh0dHA6Ly9jYWNlcnRzLmRpZ2ljZXJ0LmNvbS9EaWdpQ2VydEdsb2JhbFJvb3RH
Mi5jcnQwQgYDVR0fBDswOTA3oDWgM4YxaHR0cDovL2NybDMuZGlnaWNlcnQuY29t
L0RpZ2lDZXJ0R2xvYmFsUm9vdEcyLmNybDA9BgNVHSAENjA0MAsGCWCGSAGG/WwC
ATAHBgVngQwBATAIBgZngQwBAgEwCAYGZ4EMAQICMAgGBmeBDAECAzANBgkqhkiG
9w0BAQsFAAOCAQEAkPFwyyiXaZd8dP3A+iZ7U6utzWX9upwGnIrXWkOH7U1MVl+t
wcW1BSAuWdH/SvWgKtiwla3JLko716f2b4gp/DA/JIS7w7d7kwcsr4drdjPtAFVS
slme5LnQ89/nD/7d+MS5EHKBCQRfz5eeLjJ1js+aWNJXMX43AYGyZm0pGrFmCW3R
bpD0ufovARTFXFZkAdl9h6g4U5+LXUZtXMYnhIHUfoyMo5tS58aI7Dd8KvvwVVo4
chDYABPPTHPbqjc1qCmBaZx2vN4Ye5DUys/vZwP9BFohFrH/6j/f3IL16/RZkiMN
JCqVJUzKoZHm1Lesh3Sz8W2jmdv51b2EQJ8HmA==
-----END CERTIFICATE-----
---
Server certificate
subject=C = JP, ST = Tokyo, L = Chiyoda-ku, O = National Diet Library, CN = www.ndl.go.jp

issuer=C = US, O = DigiCert Inc, CN = DigiCert Global G2 TLS RSA SHA256 2020 CA1

---
No client certificate CA names sent
---
SSL handshake has read 3362 bytes and written 638 bytes
Verification: OK
---
New, TLSv1.2, Cipher is AES128-GCM-SHA256
Server public key is 2048 bit
Secure Renegotiation IS supported
Compression: NONE
Expansion: NONE
No ALPN negotiated
SSL-Session:
    Protocol  : TLSv1.2
    Cipher    : AES128-GCM-SHA256
    Session-ID: 9FCAA6E13772FE988CA42E1C071CF606B7A75E9EE4AE138BF7D2D1AD3617E2AD
    Session-ID-ctx: 
    Master-Key: 27C3F78456E58A7A9766C256B1D0A7FCAAC91342339F462D1A394F1F6BC33B7AB86AC616039717C7D7EE421FA29DCF2E
    PSK identity: None
    PSK identity hint: None
    SRP username: None
    TLS session ticket lifetime hint: 14400 (seconds)
    TLS session ticket:
    0000 - b6 bd c0 89 00 d3 89 fc-7b 52 0e 42 31 11 70 d9   ........{R.B1.p.
    0010 - 1e 76 41 1f 45 5e c0 b9-d8 e3 26 50 54 9c 66 34   .vA.E^....&PT.f4
    0020 - c3 6e 5d 63 36 ba 59 1c-e1 fe 98 ca 53 b9 7b 39   .n]c6.Y.....S.{9
    0030 - d2 76 31 9a c2 a1 7d 5b-be f4 95 f0 14 dc 7d 11   .v1...}[......}.
    0040 - 71 95 99 55 98 45 00 c9-d3 06 09 78 85 d7 53 10   q..U.E.....x..S.
    0050 - f7 93 4b 50 eb 77 59 6b-53 9d d0 60 5f d8 07 f7   ..KP.wYkS..`_...
    0060 - 19 91 27 49 7d a6 55 b1-c5 47 9a 2a 57 d4 de 97   ..'I}.U..G.*W...
    0070 - 3d 06 99 c1 24 7f 31 fe-c0 d0 f4 f7 a8 b4 49 df   =...$.1.......I.
    0080 - 41 54 b6 2c 50 90 0e 55-1e 6c af 18 fc 61 6a bf   AT.,P..U.l...aj.
    0090 - f1 7a 70 b1 5d 3a d3 81-be ee 32 fd 12 f5 8a 3d   .zp.]:....2....=
    00a0 - 39 ba 6c 99 4c 8d 60 10-a8 09 b9 cf 92 de 8f 5a   9.l.L.`........Z

    Start Time: 1711718825
    Timeout   : 7200 (sec)
    Verify return code: 0 (ok)
    Extended master secret: yes
---
DONE