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 (49 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: | 139.178.84.217 |
| Reverse IP lookup: | dfw.source.kernel.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: | dfw.source.kernel.org |
| SANs: | DNS:android.kernel.orgDNS:dfw.source.kernel.orgDNS:git.kernel.orgDNS:kernel.orgDNS:linux.kernel.orgDNS:lore.kernel.orgDNS:wireless.kernel.orgDNS:www.kernel.org Total number of SANs: 8 |
| Signature Algorithm: | sha256WithRSAEncryption |
| Key Type: | RSA |
| Key size: | 2048 bits |
| Serial Number: | 4544d890c78fa0294eb130e196cf5a4d683 |
| Not Before: | Mar 10, 2024 17:23:17 GMT |
| Not After: | Jun 08, 2024 17:23:16 GMT |
| Number of certs: | 2 |
| Revocation Status: | good |
| OCSP Stapling: | Not Supported |
| Server: | nginx |
| HSTS: | max-age=15768001 |
| HPKP: | Not Supported |
Chain Information
Certificate # 1 - Common Name: dfw.source.kernel.org
Decode this certificate for verbose information → launch| Subject Common Name | dfw.source.kernel.org |
| Issuer Common Name | R3 |
| Issuer Organization | Let's Encrypt |
| Not Before: | Mar 10, 2024 17:23:17 GMT |
| Not After: | Jun 08, 2024 17:23:16 GMT |
| Signature Algorithm: | sha256WithRSAEncryption |
| Serial Number: | 4544d890c78fa0294eb130e196cf5a4d683 |
| SHA1 Fingerprint: | 23:48:D9:0C:90:F6:5D:55:46:E9:51:66:13:77:9C:6B:EE:68:D9:4C |
| MD5 Fingerprint: | 4B:3E:2A:C3:77:C2:B1:EC:4D:9C:F9:ED:29:06:AD:09 |
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 = dfw.source.kernel.org
verify return:1
CONNECTED(00000003)
OCSP response: no response sent
---
Certificate chain
0 s:CN = dfw.source.kernel.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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ikfmZW4/RvTZ8M6UK+5UzhK8jCdLuMGYL6KvzXGRSgi3yLgjewQtCPkIVz6D2QQz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-----END CERTIFICATE-----
---
Server certificate
subject=CN = dfw.source.kernel.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: ECDH, P-256, 256 bits
---
SSL handshake has read 3397 bytes and written 447 bytes
Verification: OK
---
New, TLSv1.2, Cipher is ECDHE-RSA-AES128-GCM-SHA256
Server public key is 2048 bit
Secure Renegotiation IS supported
Compression: NONE
Expansion: NONE
No ALPN negotiated
SSL-Session:
Protocol : TLSv1.2
Cipher : ECDHE-RSA-AES128-GCM-SHA256
Session-ID: 9DF3BF88311341D04A064BD78B8466ABA0A83D55C3F334206C6FA80C5FF6F9F8
Session-ID-ctx:
Master-Key: F3686A8A5F55A48E29576513958C8EF9A8FF89684D26E5DEDF84877D911C1DD16E1501D60558FCF8C0169E8179AD1FCF
PSK identity: None
PSK identity hint: None
SRP username: None
TLS session ticket lifetime hint: 300 (seconds)
TLS session ticket:
0000 - a4 7d e0 3b 58 ed fb f4-b0 71 18 d8 2e 0f df 2f .}.;X....q...../
0010 - d5 ff b1 16 f6 1f 6a 3d-2c 63 bf 86 da b5 0e 95 ......j=,c......
0020 - f3 e1 a4 37 c8 9a 6e f3-aa 6e a6 bc 6a f8 3c 39 ...7..n..n..j.<9
0030 - 1f 68 66 06 b6 75 95 31-87 74 09 b9 83 0f ce 2e .hf..u.1.t......
0040 - 4d d5 16 05 9e a1 72 c4-8a 57 66 67 2a cc a3 06 M.....r..Wfg*...
0050 - 06 41 02 6e bc ee 02 a0-51 03 84 90 15 be b5 59 .A.n....Q......Y
0060 - bd 0c d7 b4 13 8a b9 b8-44 d4 0a ae 65 3e 48 40 ........D...e>H@
0070 - 5f 1c 08 06 74 18 1f e1-1a 05 07 9c 74 3d e4 75 _...t.......t=.u
0080 - 0b 58 f0 a6 5f 4d 3a ce-6e 9e 86 0e 89 71 5b 93 .X.._M:.n....q[.
0090 - 6b 16 5c 1c d4 4c 58 1b-7b 34 a2 aa 6d 43 61 61 k.\..LX.{4..mCaa
00a0 - 76 b7 eb 41 09 9f bd 48-97 46 40 81 0a d5 c5 08 v..A...H.F@.....
00b0 - 07 b1 50 c5 e9 7d 49 f5-a7 1c f3 50 8c 5a b6 fc ..P..}I....P.Z..
Start Time: 1713570193
Timeout : 7200 (sec)
Verify return code: 0 (ok)
Extended master secret: no
---
DONE