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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 (56 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: 89.238.68.168
Reverse IP lookup: vm168.documentfoundation.org.
Nameserver: hydrogen.ns.hetzner.com.
Nameserver: oxygen.ns.hetzner.com.
Nameserver: helium.ns.hetzner.de.

General Information

Common Name: libreoffice.org
SANs: DNS:ar.libreoffice.orgDNS:bg.libreoffice.orgDNS:bn.libreoffice.orgDNS:bo.libreoffice.orgDNS:brx.libreoffice.orgDNS:ca.libreoffice.orgDNS:conference.libreoffice.orgDNS:cs.libreoffice.orgDNS:cy.libreoffice.orgDNS:cz.libreoffice.orgDNS:da.libreoffice.orgDNS:de.libreoffice.orgDNS:documentation.libreoffice.orgDNS:donate.libreoffice.orgDNS:dsb.libreoffice.orgDNS:el.libreoffice.orgDNS:eo.libreoffice.orgDNS:es.libreoffice.orgDNS:et.libreoffice.orgDNS:fa.libreoffice.orgDNS:fi.libreoffice.orgDNS:fr.libreoffice.orgDNS:ga.libreoffice.orgDNS:gd.libreoffice.orgDNS:gl.libreoffice.orgDNS:he.libreoffice.orgDNS:hi.libreoffice.orgDNS:hr.libreoffice.orgDNS:hsb.libreoffice.orgDNS:hu.libreoffice.orgDNS:it.libreoffice.orgDNS:ja.libreoffice.orgDNS:ka.libreoffice.orgDNS:km.libreoffice.orgDNS:ko.libreoffice.orgDNS:latam.conference.libreoffice.orgDNS:libocon.comDNS:libocon.netDNS:libocon.orgDNS:libreoffice.orgDNS:lo.libreoffice.orgDNS:lt.libreoffice.orgDNS:marketing.libreoffice.orgDNS:ml.libreoffice.orgDNS:mt.libreoffice.orgDNS:my.libreoffice.orgDNS:nl.libreoffice.orgDNS:no.libreoffice.orgDNS:oc.libreoffice.orgDNS:pl.libreoffice.orgDNS:pt-br.libreoffice.orgDNS:pt.libreoffice.orgDNS:py.libreoffice.orgDNS:qa.libreoffice.orgDNS:ro.libreoffice.orgDNS:ru.libreoffice.orgDNS:si.libreoffice.orgDNS:sid.libreoffice.orgDNS:sk.libreoffice.orgDNS:sl.libreoffice.orgDNS:sr.libreoffice.orgDNS:sv.libreoffice.orgDNS:ta.libreoffice.orgDNS:th.libreoffice.orgDNS:tr.libreoffice.orgDNS:uk.libreoffice.orgDNS:us.libreoffice.orgDNS:vec.libreoffice.orgDNS:vi.libreoffice.orgDNS:website.libreoffice.orgDNS:www.libocon.comDNS:www.libocon.netDNS:www.libocon.orgDNS:www.libreoffice.orgDNS:zh-cn.libreoffice.orgDNS:zh-tw.libreoffice.orgDNS:zh.libreoffice.org Total number of SANs: 77
Signature Algorithm: sha256WithRSAEncryption
Key Type: RSA
Key size: 4096 bits
Serial Number: 3d66c99ea53db6df4e1a634b4d048be5b2d
Not Before: Mar 17, 2024 02:23:54 GMT
Not After: Jun 15, 2024 02:23:53 GMT
Number of certs: 2
Revocation Status: good
OCSP Stapling: Supported
Server: nginx/1.10.3
HSTS: Not Supported
HPKP: Not Supported

Chain Information

Certificate # 1 - Common Name: libreoffice.org

Decode this certificate for verbose information →
Subject Common Name libreoffice.org
Issuer Common Name R3
Issuer Organization Let's Encrypt
Not Before: Mar 17, 2024 02:23:54 GMT
Not After: Jun 15, 2024 02:23:53 GMT
Signature Algorithm: sha256WithRSAEncryption
Serial Number: 3d66c99ea53db6df4e1a634b4d048be5b2d
SHA1 Fingerprint: E5:15:33:78:AE:2F:A5:00:BF:5D:3E:3C:64:B8:E5:DC:85:62:3F:1B
MD5 Fingerprint: E6:D2:30:EF:EB:3B:48:91:25:DE:77:FF:B1:57:48:E2

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 = libreoffice.org
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 18 18:42:00 2024 GMT
    Responses:
    Certificate ID:
      Hash Algorithm: sha1
      Issuer Name Hash: 48DAC9A0FB2BD32D4FF0DE68D2F567B735F9B3C4
      Issuer Key Hash: 142EB317B75856CBAE500940E61FAF9D8B14C2C6
      Serial Number: 03D66C99EA53DB6DF4E1A634B4D048BE5B2D
    Cert Status: good
    This Update: Apr 18 18:42:00 2024 GMT
    Next Update: Apr 25 18:41:58 2024 GMT

    Signature Algorithm: sha256WithRSAEncryption
         b9:3b:67:ed:03:19:c5:1a:6c:31:d9:16:9d:36:ff:e6:25:3d:
         34:0a:bf:60:5c:e6:f2:b3:8f:65:8c:45:7f:bc:31:4c:8e:ae:
         3e:ff:57:b9:88:57:37:f1:93:fc:0a:2a:e3:4d:0a:dd:d7:e3:
         8f:9d:50:79:69:e5:45:7f:49:db:b7:f4:9b:c9:c9:c3:64:3b:
         fe:f9:d5:cd:0a:a5:7f:ca:e8:da:8e:68:21:6d:06:4a:ba:23:
         5f:93:e5:a1:12:cf:a0:f9:69:97:e6:c4:ab:c9:ae:2b:b2:95:
         e1:26:2a:75:5c:52:a9:34:a7:dc:6c:4e:22:ae:de:52:04:4a:
         8b:2a:7f:f9:ed:15:88:cd:f4:ce:04:d1:25:4b:9c:77:a7:a6:
         f8:88:2d:e4:8b:a7:e7:23:25:f6:67:21:3f:84:b2:d4:b7:17:
         3d:78:95:7b:2b:73:6b:c9:33:61:8d:eb:cc:c7:07:4f:c2:44:
         a7:b0:6b:a3:e4:9f:21:81:38:37:ce:17:69:e5:35:01:67:4d:
         54:f4:e2:4e:2d:53:91:a5:25:42:56:a6:3d:b8:80:bd:43:4a:
         d8:ea:ca:ab:ed:54:b9:e2:6f:8d:82:18:eb:be:d1:1b:d0:4f:
         98:5d:d4:6d:2b:8e:ca:99:d6:cb:a3:14:93:46:e6:2a:1a:7b:
         11:e8:3a:fd
======================================
---
Certificate chain
 0 s:CN = libreoffice.org
   i:C = US, O = Let's Encrypt, CN = R3
-----BEGIN CERTIFICATE-----
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LIF1BXSZ
-----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-----
MIIFFjCCAv6gAwIBAgIRAJErCErPDBinU/bWLiWnX1owDQYJKoZIhvcNAQELBQAw
TzELMAkGA1UEBhMCVVMxKTAnBgNVBAoTIEludGVybmV0IFNlY3VyaXR5IFJlc2Vh
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hCExroL1+7mryIkXPeFM5TgO9r0rvZaBFOvV2z0gp35Z0+L4WPlbuEjN/lxPFin+
HlUjr8gRsI3qfJOQFy/9rKIJR0Y/8Omwt/8oTWgy1mdeHmmjk7j1nYsvC9JSQ6Zv
MldlTTKB3zhThV1+XWYp6rjd5JW1zbVWEkLNxE7GJThEUG3szgBVGP7pSWTUTsqX
nLRbwHOoq7hHwg==
-----END CERTIFICATE-----
---
Server certificate
subject=CN = libreoffice.org

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

---
No client certificate CA names sent
Peer signing digest: SHA512
Peer signature type: RSA
Server Temp Key: X25519, 253 bits
---
SSL handshake has read 5637 bytes and written 411 bytes
Verification: OK
---
New, TLSv1.2, Cipher is ECDHE-RSA-CHACHA20-POLY1305
Server public key is 4096 bit
Secure Renegotiation IS supported
Compression: NONE
Expansion: NONE
No ALPN negotiated
SSL-Session:
    Protocol  : TLSv1.2
    Cipher    : ECDHE-RSA-CHACHA20-POLY1305
    Session-ID: 8593F6D0D40565107CB22698E305D2C62F53AE411F1E6D8B20BE4860726A86B2
    Session-ID-ctx: 
    Master-Key: 43F20538BC9C8C1725A4C39AD396B1453F0149B10E7459EAC07B98E5CA4C736E54583609D8E2EB01CFCB7D2CFB8C8BFF
    PSK identity: None
    PSK identity hint: None
    SRP username: None
    Start Time: 1713541685
    Timeout   : 7200 (sec)
    Verify return code: 0 (ok)
    Extended master secret: yes
---
DONE