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 (46 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: | 148.251.232.132 |
| Reverse IP lookup: | adblockplus-org-2.adblockplus.org. |
| Nameserver: | ns11.constellix.com. |
| Nameserver: | ns21.constellix.com. |
| Nameserver: | ns31.constellix.com. |
| Nameserver: | ns41.constellix.net. |
| Nameserver: | ns51.constellix.net. |
| Nameserver: | ns61.constellix.net. |
General Information
| Common Name: | adblockplus.org |
| SANs: | DNS:adblockplus.orgDNS:www.adblockplus.org Total number of SANs: 2 |
| Signature Algorithm: | sha256WithRSAEncryption |
| Key Type: | RSA |
| Key size: | 2048 bits |
| Serial Number: | 366d2c97f0260f3c76dc3333d73118479d9 |
| Not Before: | Mar 12, 2024 20:07:12 GMT |
| Not After: | Jun 10, 2024 20:07:11 GMT |
| Number of certs: | 2 |
| Revocation Status: | good |
| OCSP Stapling: | Supported |
| Server: | Apache/2.4.38 (Debian) |
| HSTS: | Not Supported |
| HPKP: | Not Supported |
Chain Information
Certificate # 1 - Common Name: adblockplus.org
Decode this certificate for verbose information → launch| Subject Common Name | adblockplus.org |
| Issuer Common Name | R3 |
| Issuer Organization | Let's Encrypt |
| Not Before: | Mar 12, 2024 20:07:12 GMT |
| Not After: | Jun 10, 2024 20:07:11 GMT |
| Signature Algorithm: | sha256WithRSAEncryption |
| Serial Number: | 366d2c97f0260f3c76dc3333d73118479d9 |
| SHA1 Fingerprint: | 3B:DC:EF:C0:32:1A:DF:7E:D5:31:58:1D:6A:39:F7:DE:78:92:96:BE |
| MD5 Fingerprint: | 07:BE:53:6D:06:8F:98:33:92:22:15:3D:46:5E:6B:CF |
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 = adblockplus.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 24 10:48:00 2024 GMT
Responses:
Certificate ID:
Hash Algorithm: sha1
Issuer Name Hash: 48DAC9A0FB2BD32D4FF0DE68D2F567B735F9B3C4
Issuer Key Hash: 142EB317B75856CBAE500940E61FAF9D8B14C2C6
Serial Number: 0366D2C97F0260F3C76DC3333D73118479D9
Cert Status: good
This Update: Apr 24 10:48:00 2024 GMT
Next Update: May 1 10:47:58 2024 GMT
Signature Algorithm: sha256WithRSAEncryption
ad:38:d1:6b:b6:af:73:15:c1:bb:84:7a:cc:55:6c:32:ca:20:
3b:10:86:66:8e:e6:07:76:48:ed:76:13:17:2f:6a:66:f2:da:
75:eb:e4:b8:80:71:1d:3e:4f:e9:24:8d:e9:50:65:3c:76:90:
90:58:c1:b9:c1:b4:a8:ca:cb:9f:67:71:9c:75:e9:6c:89:2f:
35:62:23:61:cc:23:77:47:32:a0:c5:25:75:be:75:02:0e:c4:
ba:dc:6f:4a:10:bd:d6:95:84:af:51:5f:71:b6:2e:4c:58:12:
95:69:ee:e6:13:52:01:77:3c:94:c5:4b:cb:2f:96:59:c8:70:
b5:e0:40:48:30:a5:7a:0b:be:c6:34:55:ae:27:ea:a5:a2:47:
93:db:dc:c5:4c:0a:b3:b1:12:01:fe:da:bd:5b:30:27:33:f7:
76:8a:af:44:a0:8e:2a:0c:00:fb:69:51:74:82:37:76:f4:05:
f8:bd:f4:31:1c:98:04:5d:fe:07:f1:ff:7d:38:3b:25:99:f5:
73:d4:55:2a:0c:e4:62:50:60:62:52:af:68:c3:a2:d4:c2:75:
97:96:d2:3f:c6:c9:da:ba:b1:6a:cb:36:26:df:9d:d1:54:68:
1e:af:2f:c0:0b:3e:3e:96:f7:d7:49:dc:a9:b1:ba:95:58:4a:
62:56:e2:0a
======================================
---
Certificate chain
0 s:CN = adblockplus.org
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 = adblockplus.org
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 3664 bytes and written 406 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