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 (29 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: | 198.35.26.96 |
| Reverse IP lookup: | text-lb.ulsfo.wikimedia.org. |
| Nameserver: | ns0.wikimedia.org. |
| Nameserver: | ns1.wikimedia.org. |
| Nameserver: | ns2.wikimedia.org. |
General Information
| Common Name: | *.wikipedia.org |
| SANs: | DNS:*.m.mediawiki.orgDNS:*.m.wikibooks.orgDNS:*.m.wikidata.orgDNS:*.m.wikimedia.orgDNS:*.m.wikinews.orgDNS:*.m.wikipedia.orgDNS:*.m.wikiquote.orgDNS:*.m.wikisource.orgDNS:*.m.wikiversity.orgDNS:*.m.wikivoyage.orgDNS:*.m.wiktionary.orgDNS:*.mediawiki.orgDNS:*.planet.wikimedia.orgDNS:*.wikibooks.orgDNS:*.wikidata.orgDNS:*.wikifunctions.orgDNS:*.wikimedia.orgDNS:*.wikimediafoundation.orgDNS:*.wikinews.orgDNS:*.wikipedia.orgDNS:*.wikiquote.orgDNS:*.wikisource.orgDNS:*.wikiversity.orgDNS:*.wikivoyage.orgDNS:*.wiktionary.orgDNS:*.wmfusercontent.orgDNS:mediawiki.orgDNS:w.wikiDNS:wikibooks.orgDNS:wikidata.orgDNS:wikifunctions.orgDNS:wikimedia.orgDNS:wikimediafoundation.orgDNS:wikinews.orgDNS:wikipedia.orgDNS:wikiquote.orgDNS:wikisource.orgDNS:wikiversity.orgDNS:wikivoyage.orgDNS:wiktionary.orgDNS:wmfusercontent.org Total number of SANs: 41 |
| Signature Algorithm: | sha256WithRSAEncryption |
| Key Type: | ECDSA (secp256r1) |
| Key size: | 256 bits |
| Serial Number: | 33755359180e61da05e6196350d2aaee2a2 |
| Not Before: | Feb 18, 2024 05:15:55 GMT |
| Not After: | May 18, 2024 05:15:54 GMT |
| Number of certs: | 2 |
| Revocation Status: | good |
| OCSP Stapling: | Supported |
| Server: | mw-web.codfw.main-b88d57d98-cv27v |
| HSTS: | max-age=106384710; includeSubDomains; preload |
| HPKP: | Not Supported |
Chain Information
Certificate # 1 - Common Name: *.wikipedia.org
Decode this certificate for verbose information → launch| Subject Common Name | *.wikipedia.org |
| Issuer Common Name | R3 |
| Issuer Organization | Let's Encrypt |
| Not Before: | Feb 18, 2024 05:15:55 GMT |
| Not After: | May 18, 2024 05:15:54 GMT |
| Signature Algorithm: | sha256WithRSAEncryption |
| Serial Number: | 33755359180e61da05e6196350d2aaee2a2 |
| SHA1 Fingerprint: | 0C:E4:AA:61:56:BE:8E:43:06:2C:71:F5:10:CB:5F:8B:43:A0:E1:CD |
| MD5 Fingerprint: | 6A:E8:7A:4E:E7:E1:FD:B0:03:B1:D6:15:36:1B:B9:64 |
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 = *.wikipedia.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 15 00:46:00 2024 GMT
Responses:
Certificate ID:
Hash Algorithm: sha1
Issuer Name Hash: 48DAC9A0FB2BD32D4FF0DE68D2F567B735F9B3C4
Issuer Key Hash: 142EB317B75856CBAE500940E61FAF9D8B14C2C6
Serial Number: 033755359180E61DA05E6196350D2AAEE2A2
Cert Status: good
This Update: Apr 15 00:46:00 2024 GMT
Next Update: Apr 22 00:45:58 2024 GMT
Signature Algorithm: sha256WithRSAEncryption
2c:fc:c2:0d:76:9d:73:4e:a4:ec:c7:39:b2:73:b4:39:19:ca:
18:7f:9d:95:59:e9:5c:4f:cf:fb:46:e6:33:dd:cd:28:b2:ec:
db:c0:6e:30:5e:39:75:43:43:1a:23:b0:c2:d0:8e:d1:ed:0b:
25:c8:af:17:ac:8b:56:7d:41:4a:79:bf:4f:5f:9a:99:e3:07:
4a:22:b7:16:04:d4:8c:2f:a2:db:3d:f6:f6:26:c6:67:10:cd:
86:a7:d0:42:12:78:f4:9b:52:a6:23:50:c6:9e:54:49:ab:5f:
74:51:a7:ae:24:4d:06:42:9b:c6:db:2c:6c:59:ed:3e:94:f5:
dd:d0:1a:82:25:13:de:b2:34:5f:f5:0d:8d:3e:72:17:20:90:
88:0e:a2:c1:b5:7d:1a:5d:1b:53:5b:6d:f8:f1:d1:7e:e4:e7:
a9:67:35:01:8e:8b:ed:fa:c0:ff:f2:06:d6:60:b8:7f:de:4a:
4e:a5:21:68:8f:43:52:30:aa:c1:3e:f5:98:fc:04:28:08:37:
8c:d6:b0:03:fe:ac:f3:96:10:76:21:f1:3e:4c:70:9a:5b:a1:
57:6b:7e:b3:62:96:55:b1:30:d1:fd:42:97:23:27:a9:b3:d0:
f2:2e:0e:c5:cf:93:b7:dd:fe:01:1e:e5:7e:91:ca:3e:7c:0f:
0c:9a:97:e1
======================================
---
Certificate chain
0 s:CN = *.wikipedia.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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nLRbwHOoq7hHwg==
-----END CERTIFICATE-----
---
Server certificate
subject=CN = *.wikipedia.org
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 3983 bytes and written 405 bytes
Verification: OK
---
New, TLSv1.3, Cipher is TLS_AES_256_GCM_SHA384
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