SSL Checker
Submit the Hostname and Port in the fields below. This checker supports SNI and STARTTLS.
Report
It's all good. We have not detected any issues.
| Hostname: | done Matches Common Name or/and SAN |
| Expired: | done No (23 days till expiration) |
| Public Key: | done We were unable to find any issues in the public key of end-entity certificate |
| Trusted: | done Yes, we were able to verify the certificate |
| Self-Signed: | done No, the end-entity certificate is not self-signed |
| Chain Issues: | done No, we were unable to detect any issues in the certificate chain sent by the server |
| Weak signatures: | done No, certificates sent by the server were not signed utilizing a weak hash function |
| OCSP Status: | done OCSP Responder returned "good" status for the end-entity certificate |
DNS Information
| Resolves To: | 199.59.243.225 |
| Reverse IP lookup: | No records found |
| Nameserver: | a.gpk.eu. |
| Nameserver: | c.gpk.eu. |
| Nameserver: | b.gpk.eu. |
General Information
| Common Name: | publichd.eu |
| SANs: | DNS:publichd.eu Total number of SANs: 1 |
| Signature Algorithm: | sha256WithRSAEncryption |
| Key Type: | RSA |
| Key size: | 2048 bits |
| Serial Number: | 31905cb261b90b0f8c28ebd7e7beeb20e7d |
| Not Before: | Feb 13, 2024 02:51:05 GMT |
| Not After: | May 13, 2024 02:51:04 GMT |
| Number of certs: | 2 |
| Revocation Status: | good |
| OCSP Stapling: | Not Supported |
| Server: | Not Provided |
| HSTS: | Not Supported |
| HPKP: | Not Supported |
Chain Information
Certificate # 1 - Common Name: publichd.eu
Decode this certificate for verbose information → launch| Subject Common Name | publichd.eu |
| Issuer Common Name | R3 |
| Issuer Organization | Let's Encrypt |
| Not Before: | Feb 13, 2024 02:51:05 GMT |
| Not After: | May 13, 2024 02:51:04 GMT |
| Signature Algorithm: | sha256WithRSAEncryption |
| Serial Number: | 31905cb261b90b0f8c28ebd7e7beeb20e7d |
| SHA1 Fingerprint: | AC:78:6F:C0:11:33:0F:D8:63:AB:75:34:B0:1F:8C:F5:E8:84:3A:98 |
| MD5 Fingerprint: | 3C:90:41:A2:69:D9:D2:8B:18:A2:DB:71:D9:53:03:DE |
Certificate # 2 - Common Name: R3
Decode this certificate for verbose information → launch| 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 = publichd.eu
verify return:1
CONNECTED(00000003)
OCSP response: no response sent
---
Certificate chain
0 s:CN = publichd.eu
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 = publichd.eu
issuer=C = US, O = Let's Encrypt, CN = R3
---
No client certificate CA names sent
Peer signing digest: SHA256
Peer signature type: RSA-PSS
Server Temp Key: X25519, 253 bits
---
SSL handshake has read 3106 bytes and written 386 bytes
Verification: OK
---
New, TLSv1.3, Cipher is TLS_AES_128_GCM_SHA256
Server public key is 2048 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: 9E9AEB3E438655A67A11DBD4DB2F3BD359D3E23E179BDE439E76002E07D5A280
Session-ID-ctx:
Resumption PSK: 6C1F1D471010948AB75863E6B0DB3DD2DEE8FFCF82DC239C7583DAC68DC902C2
PSK identity: None
PSK identity hint: None
SRP username: None
TLS session ticket lifetime hint: 604800 (seconds)
TLS session ticket:
0000 - 97 d2 0f fd 58 80 33 20-09 e9 f3 8d e2 19 c4 61 ....X.3 .......a
0010 - ca e1 a0 2d 0c 9c b2 7a-eb ef 0d c9 18 8f cf 27 ...-...z.......'
0020 - 4b 1b fb f7 33 0c 5b a1-70 9a 6e 39 08 35 af 74 K...3.[.p.n9.5.t
0030 - be 32 44 e9 ef 3e 18 cd-1c 64 49 e7 03 a7 99 85 .2D..>...dI.....
0040 - 29 a9 bb ec 5a 79 26 69-fa 0c c5 0d d3 d5 77 44 )...Zy&i......wD
0050 - 51 39 83 33 73 a2 65 20-a9 1f 2c 01 bc 3d 52 7d Q9.3s.e ..,..=R}
0060 - ae a1 2a fe 6c ce 5a 2d-b2 ..*.l.Z-.
Start Time: 1713556371
Timeout : 7200 (sec)
Verify return code: 0 (ok)
Extended master secret: no
Max Early Data: 0
---
read R BLOCK