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SSL Checker

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

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Hostname: Matches Common Name or/and SAN
Expired: No (209 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: 66.29.141.130
Reverse IP lookup: premium214-1.web-hosting.com.
Nameserver: dns1.namecheaphosting.com.
Nameserver: dns2.namecheaphosting.com.
Note: Namecheap hosting nameservers are in use
Note: This domain is hosted with Namecheap

General Information

Common Name: www.protoncompiler.com
SANs: DNS:www.protoncompiler.comDNS:protoncompiler.com Total number of SANs: 2
Signature Algorithm: sha256WithRSAEncryption
Key Type: RSA
Key size: 2048 bits
Serial Number: 22fc53bafb9b99b56c89da4ccb068840
Not Before: May 18, 2024 00:00:00 GMT
Not After: Jun 18, 2025 23:59:59 GMT
Number of certs: 3
Revocation Status: good
OCSP Stapling: Not Supported
Server: LiteSpeed
HSTS: Not Supported
HPKP: Not Supported

Chain Information

Certificate # 1 - Common Name: www.protoncompiler.com

Decode this certificate for verbose information →
Subject Common Name www.protoncompiler.com
Issuer Common Name Sectigo RSA Domain Validation Secure Server CA
Issuer Organization Sectigo Limited
Not Before: May 18, 2024 00:00:00 GMT
Not After: Jun 18, 2025 23:59:59 GMT
Signature Algorithm: sha256WithRSAEncryption
Serial Number: 22fc53bafb9b99b56c89da4ccb068840
SHA1 Fingerprint: 38:29:58:BB:22:94:C5:A3:D9:58:3D:63:2F:5D:EE:81:28:CD:4E:59
MD5 Fingerprint: 3B:40:8B:06:27:DD:DC:63:2B:AA:0E:D8:3E:A5:62:F8

Certificate # 2 - Common Name: Sectigo RSA Domain Validation Secure Server CA

Decode this certificate for verbose information →
In place? Yes, this certificate directly certifies the preceding one
Subject Common Name Sectigo RSA Domain Validation Secure Server CA
Subject Organization Sectigo Limited
Issuer Common Name USERTrust RSA Certification Authority
Issuer Organization The USERTRUST Network
Not Before: Nov 02, 2018 00:00:00 GMT
Not After: Dec 31, 2030 23:59:59 GMT
Signature Algorithm: sha384WithRSAEncryption
Serial Number: 7d5b5126b476ba11db74160bbc530da7
SHA1 Fingerprint: 33:E4:E8:08:07:20:4C:2B:61:82:A3:A1:4B:59:1A:CD:25:B5:F0:DB
MD5 Fingerprint: AD:AB:5C:4D:F0:31:FB:92:99:F7:1A:DA:7E:18:F6:13

Certificate # 3 - Common Name: USERTrust RSA Certification Authority

Decode this certificate for verbose information →
In place? Yes, this certificate directly certifies the preceding one
Subject Common Name USERTrust RSA Certification Authority
Subject Organization The USERTRUST Network
Issuer Common Name AAA Certificate Services
Issuer Organization Comodo CA Limited
Not Before: Mar 12, 2019 00:00:00 GMT
Not After: Dec 31, 2028 23:59:59 GMT
Signature Algorithm: sha384WithRSAEncryption
Serial Number: 3972443af922b751d7d36c10dd313595
SHA1 Fingerprint: D8:9E:3B:D4:3D:5D:90:9B:47:A1:89:77:AA:9D:5C:E3:6C:EE:18:4C
MD5 Fingerprint: 28:5E:C9:09:C4:AB:0D:2D:57:F5:08:6B:22:57:99:AA

OpenSSL Handshake

depth=2 C = US, ST = New Jersey, L = Jersey City, O = The USERTRUST Network, CN = USERTrust RSA Certification Authority
verify return:1
depth=1 C = GB, ST = Greater Manchester, L = Salford, O = Sectigo Limited, CN = Sectigo RSA Domain Validation Secure Server CA
verify return:1
depth=0 CN = www.protoncompiler.com
verify return:1
CONNECTED(00000003)
OCSP response: no response sent
---
Certificate chain
 0 s:CN = www.protoncompiler.com
   i:C = GB, ST = Greater Manchester, L = Salford, O = Sectigo Limited, CN = Sectigo RSA Domain Validation Secure Server CA
-----BEGIN CERTIFICATE-----
MIIGSTCCBTGgAwIBAgIQIvxTuvubmbVsidpMywaIQDANBgkqhkiG9w0BAQsFADCB
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P7HoNvjEAiEAyv/4bdf39ShNHyi5ViM4LPv2WgNlb6f9QP5leghNcbkwDQYJKoZI
hvcNAQELBQADggEBACJn00tKolW6iAHZ5NTWUwnHnV1BayXS4RZL1rvQjItNQ89i
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0Ymto94RFK6ovheRZYAF3jV8RfRJkMPe4quvkr8=
-----END CERTIFICATE-----
 1 s:C = GB, ST = Greater Manchester, L = Salford, O = Sectigo Limited, CN = Sectigo RSA Domain Validation Secure Server CA
   i:C = US, ST = New Jersey, L = Jersey City, O = The USERTRUST Network, CN = USERTrust RSA Certification Authority
-----BEGIN CERTIFICATE-----
MIIGEzCCA/ugAwIBAgIQfVtRJrR2uhHbdBYLvFMNpzANBgkqhkiG9w0BAQwFADCB
iDELMAkGA1UEBhMCVVMxEzARBgNVBAgTCk5ldyBKZXJzZXkxFDASBgNVBAcTC0pl
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00u/I5sUKUErmgQfky3xxzlIPK1aEn8=
-----END CERTIFICATE-----
 2 s:C = US, ST = New Jersey, L = Jersey City, O = The USERTRUST Network, CN = USERTrust RSA Certification Authority
   i:C = GB, ST = Greater Manchester, L = Salford, O = Comodo CA Limited, CN = AAA Certificate Services
-----BEGIN CERTIFICATE-----
MIIFgTCCBGmgAwIBAgIQOXJEOvkit1HX02wQ3TE1lTANBgkqhkiG9w0BAQwFADB7
MQswCQYDVQQGEwJHQjEbMBkGA1UECAwSR3JlYXRlciBNYW5jaGVzdGVyMRAwDgYD
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rvSNb3I8QzvAP+u431yqqcau8vzY7qN7Q/aGNnwU4M309z/+3ri0ivCRlv79Q2R+
/czSAaF9ffgZGclCKxO/WIu6pKJmBHaIkU4MiRTOok3JMrO66BQavHHxW/BBC5gA
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vGp4z7h/jnZymQyd/teRCBaho1+V
-----END CERTIFICATE-----
---
Server certificate
subject=CN = www.protoncompiler.com

issuer=C = GB, ST = Greater Manchester, L = Salford, O = Sectigo Limited, CN = Sectigo RSA Domain Validation Secure Server CA

---
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 5155 bytes and written 409 bytes
Verification: OK
---
New, TLSv1.3, Cipher is TLS_AES_256_GCM_SHA384
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