Namecheap.com

SSL Checker

Submit the Hostname and Port in the fields below. This checker supports SNI and STARTTLS.

Report

Hostname: Matches Common Name or/and SAN
Expired: No (264 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: 104.244.42.5
Reverse IP lookup: No records found
Nameserver: a.r06.twtrdns.net.
Nameserver: a.u06.twtrdns.net.
Nameserver: b.r06.twtrdns.net.
Nameserver: b.u06.twtrdns.net.
Nameserver: c.r06.twtrdns.net.
Nameserver: c.u06.twtrdns.net.
Nameserver: d.r06.twtrdns.net.
Nameserver: d.u06.twtrdns.net.

General Information

Common Name: t.co
SANs: DNS:t.coDNS:www.t.co Total number of SANs: 2
Organization: Twitter, Inc.
Locality: San Francisco
Signature Algorithm: sha256WithRSAEncryption
Key Type: RSA
Key size: 2048 bits
Serial Number: 7386c1e4b5207626cd3f6ed2f29cd9e
Not Before: Jan 16, 2024 00:00:00 GMT
Not After: Jan 14, 2025 23:59:59 GMT
Number of certs: 2
Revocation Status: good
OCSP Stapling: Not Supported
Server: tsa_p
HSTS: max-age=0
HPKP: Not Supported

Chain Information

Certificate # 1 - Common Name: t.co

Decode this certificate for verbose information →
Subject Common Name t.co
Subject Organization Twitter, Inc.
Issuer Common Name DigiCert Global G2 TLS RSA SHA256 2020 CA1
Issuer Organization DigiCert Inc
Not Before: Jan 16, 2024 00:00:00 GMT
Not After: Jan 14, 2025 23:59:59 GMT
Signature Algorithm: sha256WithRSAEncryption
Serial Number: 7386c1e4b5207626cd3f6ed2f29cd9e
SHA1 Fingerprint: 53:E9:F9:7E:EC:17:49:4A:AF:21:A1:EE:11:21:41:E7:E2:51:EB:9C
MD5 Fingerprint: DF:70:71:04:37:FF:B3:87:55:08:CD:A6:8E:2D:05:C7

Certificate # 2 - Common Name: DigiCert Global G2 TLS RSA SHA256 2020 CA1

Decode this certificate for verbose information →
In place? Yes, this certificate directly certifies the preceding one
Subject Common Name DigiCert Global G2 TLS RSA SHA256 2020 CA1
Subject Organization DigiCert Inc
Issuer Common Name DigiCert Global Root G2
Issuer Organization DigiCert Inc
Not Before: Mar 30, 2021 00:00:00 GMT
Not After: Mar 29, 2031 23:59:59 GMT
Signature Algorithm: sha256WithRSAEncryption
Serial Number: cf5bd062b5602f47ab8502c23ccf066
SHA1 Fingerprint: 1B:51:1A:BE:AD:59:C6:CE:20:70:77:C0:BF:0E:00:43:B1:38:26:12
MD5 Fingerprint: 21:14:C6:BF:5B:E1:5E:FD:DD:3C:F6:A5:F9:43:EE:8A

OpenSSL Handshake

depth=2 C = US, O = DigiCert Inc, OU = www.digicert.com, CN = DigiCert Global Root G2
verify return:1
depth=1 C = US, O = DigiCert Inc, CN = DigiCert Global G2 TLS RSA SHA256 2020 CA1
verify return:1
depth=0 C = US, ST = California, L = San Francisco, O = "Twitter, Inc.", CN = t.co
verify return:1
CONNECTED(00000003)
OCSP response: no response sent
---
Certificate chain
 0 s:C = US, ST = California, L = San Francisco, O = "Twitter, Inc.", CN = t.co
   i:C = US, O = DigiCert Inc, CN = DigiCert Global G2 TLS RSA SHA256 2020 CA1
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----
 1 s:C = US, O = DigiCert Inc, CN = DigiCert Global G2 TLS RSA SHA256 2020 CA1
   i:C = US, O = DigiCert Inc, OU = www.digicert.com, CN = DigiCert Global Root G2
-----BEGIN CERTIFICATE-----
MIIEyDCCA7CgAwIBAgIQDPW9BitWAvR6uFAsI8zwZjANBgkqhkiG9w0BAQsFADBh
MQswCQYDVQQGEwJVUzEVMBMGA1UEChMMRGlnaUNlcnQgSW5jMRkwFwYDVQQLExB3
d3cuZGlnaWNlcnQuY29tMSAwHgYDVQQDExdEaWdpQ2VydCBHbG9iYWwgUm9vdCBH
MjAeFw0yMTAzMzAwMDAwMDBaFw0zMTAzMjkyMzU5NTlaMFkxCzAJBgNVBAYTAlVT
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bCBHMiBUTFMgUlNBIFNIQTI1NiAyMDIwIENBMTCCASIwDQYJKoZIhvcNAQEBBQAD
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Mi5jcnQwQgYDVR0fBDswOTA3oDWgM4YxaHR0cDovL2NybDMuZGlnaWNlcnQuY29t
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ATAHBgVngQwBATAIBgZngQwBAgEwCAYGZ4EMAQICMAgGBmeBDAECAzANBgkqhkiG
9w0BAQsFAAOCAQEAkPFwyyiXaZd8dP3A+iZ7U6utzWX9upwGnIrXWkOH7U1MVl+t
wcW1BSAuWdH/SvWgKtiwla3JLko716f2b4gp/DA/JIS7w7d7kwcsr4drdjPtAFVS
slme5LnQ89/nD/7d+MS5EHKBCQRfz5eeLjJ1js+aWNJXMX43AYGyZm0pGrFmCW3R
bpD0ufovARTFXFZkAdl9h6g4U5+LXUZtXMYnhIHUfoyMo5tS58aI7Dd8KvvwVVo4
chDYABPPTHPbqjc1qCmBaZx2vN4Ye5DUys/vZwP9BFohFrH/6j/f3IL16/RZkiMN
JCqVJUzKoZHm1Lesh3Sz8W2jmdv51b2EQJ8HmA==
-----END CERTIFICATE-----
---
Server certificate
subject=C = US, ST = California, L = San Francisco, O = "Twitter, Inc.", CN = t.co

issuer=C = US, O = DigiCert Inc, CN = DigiCert Global G2 TLS RSA SHA256 2020 CA1

---
No client certificate CA names sent
Peer signing digest: SHA256
Peer signature type: RSA-PSS
Server Temp Key: X25519, 253 bits
---
SSL handshake has read 3470 bytes and written 395 bytes
Verification: OK
---
New, TLSv1.3, Cipher is TLS_AES_256_GCM_SHA384
Server public key is 2048 bit
Secure Renegotiation IS NOT supported
Compression: NONE
Expansion: NONE
No ALPN negotiated
Early data was not sent
Verify return code: 0 (ok)
---
DONE