Namecheap.com

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 (50 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: 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-7877d8fbc4-gkf8x
HSTS: max-age=106384710; includeSubDomains; preload
HPKP: Not Supported

Chain Information

Certificate # 1 - Common Name: *.wikipedia.org

Decode this certificate for verbose information →
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 →
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: Mar 26 00:31:00 2024 GMT
    Responses:
    Certificate ID:
      Hash Algorithm: sha1
      Issuer Name Hash: 48DAC9A0FB2BD32D4FF0DE68D2F567B735F9B3C4
      Issuer Key Hash: 142EB317B75856CBAE500940E61FAF9D8B14C2C6
      Serial Number: 033755359180E61DA05E6196350D2AAEE2A2
    Cert Status: good
    This Update: Mar 26 00:31:00 2024 GMT
    Next Update: Apr  2 00:30:58 2024 GMT

    Signature Algorithm: sha256WithRSAEncryption
         34:8c:83:bf:13:02:cb:da:64:be:71:e2:45:4b:a5:9a:57:05:
         dc:11:55:c8:60:3a:21:53:ce:cb:18:c1:4d:73:8c:b1:ed:fd:
         92:3b:17:8e:d3:96:38:11:68:af:9c:86:54:f8:12:7c:14:e1:
         b1:78:fc:c2:0e:7a:46:0a:5e:d7:25:b9:6e:72:40:51:d1:d3:
         ad:fd:39:1d:1f:52:14:b1:b2:07:45:fd:00:f0:ae:75:05:05:
         6f:67:4c:23:cb:4c:00:e1:89:ce:e7:cb:db:24:d4:66:7e:b8:
         c2:60:b9:a8:e1:28:2f:d9:f3:2c:c0:9f:ee:97:cd:0b:a4:7a:
         55:42:a6:c7:ca:bc:81:e2:7c:16:67:2f:30:50:7b:af:94:e4:
         39:cc:b5:c2:1c:e9:f0:b0:e5:0f:7e:7d:ca:cd:1d:4a:8d:a5:
         b5:08:ca:0c:59:d1:37:a4:02:f9:24:44:4d:c8:1a:50:bd:09:
         77:3a:fc:31:89:36:5a:68:35:35:a6:04:7e:b5:39:c6:7c:73:
         4b:a0:cb:8c:23:c0:47:4c:ac:7e:0a:a7:62:c5:a9:15:2c:be:
         e4:79:68:27:fd:7c:6a:88:7c:4b:76:42:7c:70:e0:ea:b6:71:
         dc:c3:9d:7a:b5:98:73:c2:74:a8:6b:66:32:2d:59:54:87:4d:
         55:9a:57:83
======================================
---
Certificate chain
 0 s:CN = *.wikipedia.org
   i:C = US, O = Let's Encrypt, CN = R3
-----BEGIN CERTIFICATE-----
MIIG9TCCBd2gAwIBAgISAzdVNZGA5h2gXmGWNQ0qruKiMA0GCSqGSIb3DQEBCwUA
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cy5vcmeCDXdpa2lwZWRpYS5vcmeCDXdpa2lxdW90ZS5vcmeCDndpa2lzb3VyY2Uu
b3Jngg93aWtpdmVyc2l0eS5vcmeCDndpa2l2b3lhZ2Uub3Jngg53aWt0aW9uYXJ5
Lm9yZ4ISd21mdXNlcmNvbnRlbnQub3JnMBMGA1UdIAQMMAowCAYGZ4EMAQIBMIIB
BAYKKwYBBAHWeQIEAgSB9QSB8gDwAHYASLDja9qmRzQP5WoC+p0w6xxSActW3SyB
2bu/qznYhHMAAAGNutte4AAABAMARzBFAiEAwwgyDqn0YraeYLuR+peDJ2YKXvSB
DFQdVBpXIWjqdqQCIGqoToQZS3aCeG3RdVzycFVbRA7gSP7DFCkytU6EqPukAHYA
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AiAPZU4oNgXHSBgFZdv9EGt26QhMtrbEU+Pxndmwg0gqBAIhALdBcr0bAMdOEG5t
oo0FYDe0z9HiPsmQy88waW8gGJGpMA0GCSqGSIb3DQEBCwUAA4IBAQAmbyXExz+g
pfN/ixqWwYgibw5kUVtmUl0GrSrneNKQAduoDAywQtUn2DzoPBtDToA5IxWfbnTp
4vJeFgmahTHkxlzurg9fCSoIQ9r9EE3JFtw41600uvp1kBDB3Ud/LC8Wb74ACjWI
CGR15ETP64nCLjmebKZspm8GJliSz82Lqp11BASUmpRtSEqG/81dCnHzCgLhCJv7
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WHgIf90BMW8MkPr28LmuM0am7LxTFSeo1eJZi/pJaUNWfM39RHxUopfqK5Xi159q
JMT86QENf4Wi
-----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
cmNoIEdyb3VwMRUwEwYDVQQDEwxJU1JHIFJvb3QgWDEwHhcNMjAwOTA0MDAwMDAw
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AoIBAQC7AhUozPaglNMPEuyNVZLD+ILxmaZ6QoinXSaqtSu5xUyxr45r+XXIo9cP
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Z3Vms/EY96Jc5lP/Ooi2R6X/ExjqmAl3P51T+c8B5fWmcBcUr2Ok/5mzk53cU6cG
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CkcheAmCJ8MqyJu5zlzyZMjAvnnAT45tRAxekrsu94sQ4egdRCnbWSDtY7kh+BIm
lJNXoB1lBMEKIq4QDUOXoRgffuDghje1WrG9ML+Hbisq/yFOGwXD9RiX8F6sw6W4
avAuvDszue5L3sz85K+EC4Y/wFVDNvZo4TYXao6Z0f+lQKc0t8DQYzk1OXVu8rp2
yJMC6alLbBfODALZvYH7n7do1AZls4I9d1P4jnkDrQoxB3UqQ9hVl3LEKQ73xF1O
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hCExroL1+7mryIkXPeFM5TgO9r0rvZaBFOvV2z0gp35Z0+L4WPlbuEjN/lxPFin+
HlUjr8gRsI3qfJOQFy/9rKIJR0Y/8Omwt/8oTWgy1mdeHmmjk7j1nYsvC9JSQ6Zv
MldlTTKB3zhThV1+XWYp6rjd5JW1zbVWEkLNxE7GJThEUG3szgBVGP7pSWTUTsqX
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 3982 bytes and written 403 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