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SSL Checker SSL & CSR Decoder CSR Generator SSL Converter

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 (40 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: 54.154.98.78
Reverse IP lookup: ec2-54-154-98-78.eu-west-1.compute.amazonaws.com.
Nameserver: use5.akam.net.
Nameserver: ns1-25.akam.net.
Nameserver: eur5.akam.net.
Nameserver: use2.akam.net.
Nameserver: ns1-125.akam.net.
Nameserver: eur6.akam.net.
Nameserver: eur2.akam.net.
Nameserver: usc2.akam.net.

General Information

Common Name: snmmd.nl
SANs: DNS:snmmd.nl Total number of SANs: 1
Signature Algorithm: sha256WithRSAEncryption
Key Type: ECDSA (secp256r1)
Key size: 256 bits
Serial Number: 40e575b65957214dcb50cc0d91d91fb0c30
Not Before: Mar 01, 2024 03:29:28 GMT
Not After: May 30, 2024 03:29:27 GMT
Number of certs: 2
Revocation Status: good
OCSP Stapling: Supported
Server: Caddy
HSTS: Not Supported
HPKP: Not Supported

Chain Information

Certificate # 1 - Common Name: snmmd.nl

Decode this certificate for verbose information →
Subject Common Name snmmd.nl
Issuer Common Name R3
Issuer Organization Let's Encrypt
Not Before: Mar 01, 2024 03:29:28 GMT
Not After: May 30, 2024 03:29:27 GMT
Signature Algorithm: sha256WithRSAEncryption
Serial Number: 40e575b65957214dcb50cc0d91d91fb0c30
SHA1 Fingerprint: A3:A0:22:3C:C1:46:6A:D3:72:7D:C2:06:63:7E:D5:D6:49:33:05:75
MD5 Fingerprint: 98:7A:5F:F1:D7:78:89:81:C2:4A:30:49:06:58:4F:30

Certificate # 2 - Common Name: R3

Decode this certificate for verbose information →
In place? Yes, this certificate directly certifies the preceding one
Subject Common Name R3
Subject Organization Let's Encrypt
Issuer Common Name ISRG Root X1
Issuer Organization Internet Security Research Group
Not Before: Sep 04, 2020 00:00:00 GMT
Not After: Sep 15, 2025 16:00:00 GMT
Signature Algorithm: sha256WithRSAEncryption
Serial Number: 912b084acf0c18a753f6d62e25a75f5a
SHA1 Fingerprint: A0:53:37:5B:FE:84:E8:B7:48:78:2C:7C:EE:15:82:7A:6A:F5:A4:05
MD5 Fingerprint: E8:29:E6:5D:7C:43:07:D6:FB:C1:3C:17:9E:03:7A:36

OpenSSL Handshake

depth=2 C = US, O = Internet Security Research Group, CN = ISRG Root X1
verify return:1
depth=1 C = US, O = Let's Encrypt, CN = R3
verify return:1
depth=0 CN = snmmd.nl
verify return:1
CONNECTED(00000003)
OCSP response: 
======================================
OCSP Response Data:
    OCSP Response Status: successful (0x0)
    Response Type: Basic OCSP Response
    Version: 1 (0x0)
    Responder Id: C = US, O = Let's Encrypt, CN = R3
    Produced At: Apr 17 08:32:00 2024 GMT
    Responses:
    Certificate ID:
      Hash Algorithm: sha1
      Issuer Name Hash: 48DAC9A0FB2BD32D4FF0DE68D2F567B735F9B3C4
      Issuer Key Hash: 142EB317B75856CBAE500940E61FAF9D8B14C2C6
      Serial Number: 040E575B65957214DCB50CC0D91D91FB0C30
    Cert Status: good
    This Update: Apr 17 08:32:00 2024 GMT
    Next Update: Apr 24 08:31:58 2024 GMT

    Signature Algorithm: sha256WithRSAEncryption
         3c:cc:d5:4d:51:de:1f:71:6f:d0:17:ea:9e:21:a3:43:78:a3:
         87:c9:0b:82:4c:54:6a:dc:74:6c:80:fc:ac:a5:10:f7:a3:a3:
         18:76:0d:c3:35:f4:a1:19:e4:f9:0d:6e:35:0e:29:1a:88:9f:
         e3:31:ef:ff:30:d4:19:71:12:f1:1b:2e:10:0a:91:53:b7:af:
         0e:e7:9f:8a:cb:8d:23:bb:0d:48:79:76:77:a4:6a:26:ee:ba:
         4e:c8:88:22:24:49:f2:19:0c:c1:42:90:98:82:9c:fe:10:e5:
         84:6d:c8:b2:04:d0:d2:8b:4b:b1:0d:da:69:a3:ff:3f:df:32:
         46:44:ee:ae:a1:07:3f:42:fb:62:c7:42:45:71:dc:b5:b4:7e:
         96:c2:0e:65:1f:d2:7f:e6:d1:51:72:d8:06:fc:95:f4:91:b6:
         59:c3:76:3c:46:c6:e5:f0:2d:17:71:58:14:eb:2f:b1:5e:3c:
         89:55:4e:4b:b8:6d:35:33:78:ab:4f:6d:8c:b6:50:a0:84:dd:
         99:e8:c6:0f:bc:bc:80:fd:bb:c7:b6:d4:dd:cd:42:3c:b0:91:
         23:65:c4:be:e9:0d:f9:a6:8b:5d:5f:ab:ea:65:cc:84:af:0d:
         fd:e8:3d:f9:b0:f4:f0:c3:ca:83:4d:d2:15:84:13:20:c9:11:
         e7:72:70:85
======================================
---
Certificate chain
 0 s:CN = snmmd.nl
   i:C = US, O = Let's Encrypt, CN = R3
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----
 1 s:C = US, O = Let's Encrypt, CN = R3
   i:C = US, O = Internet Security Research Group, CN = ISRG Root X1
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----
---
Server certificate
subject=CN = snmmd.nl

issuer=C = US, O = Let's Encrypt, CN = R3

---
No client certificate CA names sent
Peer signing digest: SHA256
Peer signature type: ECDSA
Server Temp Key: X25519, 253 bits
---
SSL handshake has read 3222 bytes and written 383 bytes
Verification: OK
---
New, TLSv1.3, Cipher is TLS_AES_128_GCM_SHA256
Server public key is 256 bit
Secure Renegotiation IS NOT supported
Compression: NONE
Expansion: NONE
No ALPN negotiated
Early data was not sent
Verify return code: 0 (ok)
---
DONE
---
Post-Handshake New Session Ticket arrived:
SSL-Session:
    Protocol  : TLSv1.3
    Cipher    : TLS_AES_128_GCM_SHA256
    Session-ID: 6AA9505D1A69AFCF86585FDA0B623D9400E8EFB94134F0F225471EE164A11244
    Session-ID-ctx: 
    Resumption PSK: 352DA44EDD2D80C8F8E683698DC75DE2D2BA3A12BA8072EBD88703AB115A1E0A
    PSK identity: None
    PSK identity hint: None
    SRP username: None
    TLS session ticket lifetime hint: 604800 (seconds)
    TLS session ticket:
    0000 - 55 f5 19 d7 a0 3a 1c 1e-89 51 85 52 52 9b 4d 85   U....:...Q.RR.M.
    0010 - cc c9 bb 55 cb ca 76 e6-a7 b0 a6 ff e6 5b f6 b7   ...U..v......[..
    0020 - 9b 2c 31 a0 c3 33 1a 00-9c 71 21 ab e1 80 19 85   .,1..3...q!.....
    0030 - 80 b2 38 2b fa 4e 99 37-da 22 61 42 77 ac 4f 65   ..8+.N.7."aBw.Oe
    0040 - e9 2a 80 6a ae fb 84 0a-1d 07 c3 9a d2 84 41 25   .*.j..........A%
    0050 - b2 d8 38 fe c6 43 26 05-26 79 98 05 a3 9c 5b 8c   ..8..C&.&y....[.
    0060 - 36 5d 73 b6 ee 15 32 51-8c dd 15 dc 61 47 19 94   6]s...2Q....aG..
    0070 - dc                                                .

    Start Time: 1713570273
    Timeout   : 7200 (sec)
    Verify return code: 0 (ok)
    Extended master secret: no
    Max Early Data: 0
---
read R BLOCK