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 (81 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: | 38b10c18568d780d1c6a1ed0dcb409066ab |
| Not Before: | Apr 18, 2024 04:22:40 GMT |
| Not After: | Jul 17, 2024 04:22:39 GMT |
| Number of certs: | 2 |
| Revocation Status: | good |
| OCSP Stapling: | Supported |
| Server: | mw2438.codfw.wmnet |
| 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: | Apr 18, 2024 04:22:40 GMT |
| Not After: | Jul 17, 2024 04:22:39 GMT |
| Signature Algorithm: | sha256WithRSAEncryption |
| Serial Number: | 38b10c18568d780d1c6a1ed0dcb409066ab |
| SHA1 Fingerprint: | 5C:3E:AD:B7:AB:86:C4:9A:60:20:8A:B0:71:86:4C:AA:2F:E9:A7:7C |
| MD5 Fingerprint: | F2:4B:DD:1D:E9:6D:60:5F:C0:30:AA:7D:35:46:95:60 |
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 22 07:25:00 2024 GMT
Responses:
Certificate ID:
Hash Algorithm: sha1
Issuer Name Hash: 48DAC9A0FB2BD32D4FF0DE68D2F567B735F9B3C4
Issuer Key Hash: 142EB317B75856CBAE500940E61FAF9D8B14C2C6
Serial Number: 038B10C18568D780D1C6A1ED0DCB409066AB
Cert Status: good
This Update: Apr 22 07:25:00 2024 GMT
Next Update: Apr 29 07:24:58 2024 GMT
Signature Algorithm: sha256WithRSAEncryption
8d:ae:4c:ff:f7:ee:c0:df:45:f1:e0:13:e6:14:a1:b3:c5:15:
1e:41:cb:3d:ec:04:af:d7:38:44:c6:71:fa:cd:ef:a5:94:f5:
ff:11:9b:5f:be:33:d0:55:ae:26:ad:52:30:ca:39:22:62:83:
31:16:1a:fa:5f:c6:1b:6e:36:45:ab:65:ab:7e:4d:94:8d:93:
f5:15:ca:ba:1a:d4:41:c9:d6:47:72:fb:1a:30:e2:d9:6d:3c:
0e:1e:e2:06:04:8b:15:dd:2d:ff:06:e8:5b:46:27:85:38:5c:
69:63:e1:0f:24:3e:f4:6f:53:38:e6:9a:9f:53:f1:7b:be:8e:
88:f6:b8:c6:08:26:71:fe:a9:63:87:c1:0e:5f:f7:70:37:87:
81:b9:a5:0b:a7:de:6e:34:26:76:74:2d:72:80:ad:5d:4d:b3:
75:29:fd:46:4e:d0:75:46:e3:99:62:70:97:be:30:d2:c0:73:
8e:78:cf:9b:83:5f:f3:28:36:25:b2:01:96:87:0e:21:03:1e:
30:dc:39:a8:ee:3b:d9:2f:5d:04:08:1e:f7:18:93:80:51:4b:
2e:a8:1f:5d:8a:59:b6:08:da:03:c0:9d:b8:fe:3c:c4:91:ec:
b7:03:d0:ec:13:57:42:e8:f1:a4:14:bd:72:c3:29:df:7c:fd:
3f:e7:d4:cf
======================================
---
Certificate chain
0 s:CN = *.wikipedia.org
i:C = US, O = Let's Encrypt, CN = R3
-----BEGIN CERTIFICATE-----
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LZfVsTGhUYI/EA==
-----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
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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 3984 bytes and written 404 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