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 (72 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: | 192.0.78.220 |
| Reverse IP lookup: | No records found |
| Nameserver: | jeff.ns.cloudflare.com. |
| Nameserver: | sara.ns.cloudflare.com. |
General Information
| Common Name: | tls.automattic.com |
| SANs: | DNS:4matura.tech.blogDNS:alternatives.tech.blogDNS:beeprofessionalservices.comDNS:connectify.meDNS:dots.tech.blogDNS:flippingfitness.health.blogDNS:informaticasoftware.tech.blogDNS:marandaballardauthor.comDNS:newsletters.tech.blogDNS:ornaments.tech.blogDNS:peddiscostruzionimecca.comDNS:portland.tech.blogDNS:salvatore.tech.blogDNS:secondspace.workDNS:secubeezz.nlDNS:seeking-the-hypotenuse.caDNS:sergeizmusic.comDNS:serlibre.uyDNS:sewgr8ful.comDNS:sportsabsorbed.sport.blogDNS:thefeast.music.blogDNS:thehumblechair.comDNS:tls.automattic.comDNS:updo.tech.blogDNS:www.alternatives.tech.blogDNS:www.armstrong.tech.blogDNS:www.arrangements.tech.blogDNS:www.beeprofessionalservices.comDNS:www.canpack.tech.blogDNS:www.connectify.meDNS:www.dots.tech.blogDNS:www.newsletters.tech.blogDNS:www.peddiscostruzionimecca.comDNS:www.portland.tech.blogDNS:www.scottinscotland.comDNS:www.secondspace.workDNS:www.secubeezz.nlDNS:www.sergeizmusic.comDNS:www.serlibre.uyDNS:www.sportsabsorbed.sport.blogDNS:www.thefeast.music.blog Total number of SANs: 41 |
| Signature Algorithm: | sha256WithRSAEncryption |
| Key Type: | ECDSA (secp256r1) |
| Key size: | 256 bits |
| Serial Number: | 31cb0495425f8d9f3aa9729f921e47a5d3a |
| Not Before: | Apr 05, 2024 22:37:43 GMT |
| Not After: | Jul 04, 2024 22:37:42 GMT |
| Number of certs: | 2 |
| Revocation Status: | good |
| OCSP Stapling: | Supported |
| Server: | nginx |
| HSTS: | max-age=31536000 |
| HPKP: | Not Supported |
Chain Information
Certificate # 1 - Common Name: tls.automattic.com
Decode this certificate for verbose information → launch| Subject Common Name | tls.automattic.com |
| Issuer Common Name | R3 |
| Issuer Organization | Let's Encrypt |
| Not Before: | Apr 05, 2024 22:37:43 GMT |
| Not After: | Jul 04, 2024 22:37:42 GMT |
| Signature Algorithm: | sha256WithRSAEncryption |
| Serial Number: | 31cb0495425f8d9f3aa9729f921e47a5d3a |
| SHA1 Fingerprint: | 95:08:D9:52:8B:20:D1:39:CB:C4:8D:51:AB:F4:F1:8D:70:29:EC:B8 |
| MD5 Fingerprint: | 86:F7:29:BE:94:3E:03:3D:BD:92:9A:D3:26:E7:28:CC |
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 = tls.automattic.com
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 23 14:24:00 2024 GMT
Responses:
Certificate ID:
Hash Algorithm: sha1
Issuer Name Hash: 48DAC9A0FB2BD32D4FF0DE68D2F567B735F9B3C4
Issuer Key Hash: 142EB317B75856CBAE500940E61FAF9D8B14C2C6
Serial Number: 031CB0495425F8D9F3AA9729F921E47A5D3A
Cert Status: good
This Update: Apr 23 14:24:00 2024 GMT
Next Update: Apr 30 14:23:58 2024 GMT
Signature Algorithm: sha256WithRSAEncryption
22:c5:9c:1b:46:a8:35:8f:25:cd:0c:51:80:a7:7b:8f:b3:88:
37:8f:87:15:6c:5c:ee:22:00:21:9a:de:7d:f9:58:0e:f9:c8:
ca:90:38:10:95:e6:0c:13:26:89:61:69:ba:02:5c:94:d2:fa:
6d:25:e9:fc:4a:fa:cb:46:c7:be:4e:d5:3a:66:8b:f4:98:fd:
20:7e:df:74:01:05:78:dc:3b:bd:1b:80:8c:43:49:c4:ba:c6:
3d:80:3c:b8:17:30:8a:e6:24:b1:21:f6:09:85:7e:bc:f1:88:
a2:fc:5b:ce:1c:05:d5:f4:07:82:2f:bb:ba:79:76:db:6d:83:
20:9c:77:c3:fe:84:47:2a:59:9a:d7:c1:24:4d:de:c0:b5:55:
12:db:01:cd:a4:62:03:eb:f8:76:60:91:6c:4e:a3:42:bb:23:
99:f5:e9:2a:fb:f4:7d:5c:47:a7:d6:ab:92:a8:02:a6:b8:c4:
fe:81:73:65:d3:5f:4c:da:58:c3:ce:ba:f9:f0:85:87:6c:ec:
33:4f:90:70:20:e3:0f:5f:4a:24:c1:f6:57:3c:61:f8:ce:7d:
31:ee:b3:cc:c0:1b:fb:bd:c1:b2:8d:1e:56:9d:d8:1f:65:c2:
d6:77:b1:eb:71:c4:77:ef:15:bb:d3:fa:5f:41:39:5a:5e:b7:
d2:62:1f:28
======================================
---
Certificate chain
0 s:CN = tls.automattic.com
i:C = US, O = Let's Encrypt, CN = R3
-----BEGIN CERTIFICATE-----
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muSbOUUH+/Qa8uB1fw==
-----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 = tls.automattic.com
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 4178 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