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 (9 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: 118.102.1.100
Reverse IP lookup: No records found
Nameserver: ns1.tachthongtin.com.
Nameserver: ns2.tachthongtin.com.
Nameserver: ns3.tachthongtin.com.

General Information

Common Name: epi.com.vn
SANs: DNS:*.epi.com.vnDNS:epi.com.vn Total number of SANs: 2
Signature Algorithm: sha256WithRSAEncryption
Key Type: RSA
Key size: 2048 bits
Serial Number: 411257b7cb1aab5edde3f945dd5b719d6f3
Not Before: Jan 09, 2024 01:37:20 GMT
Not After: Apr 08, 2024 01:37:19 GMT
Number of certs: 3
Revocation Status: good
OCSP Stapling: Not Supported
Server: WT_11.12
HSTS: Not Supported
HPKP: Not Supported

Chain Information

Certificate # 1 - Common Name: epi.com.vn

Decode this certificate for verbose information →
Subject Common Name epi.com.vn
Issuer Common Name R3
Issuer Organization Let's Encrypt
Not Before: Jan 09, 2024 01:37:20 GMT
Not After: Apr 08, 2024 01:37:19 GMT
Signature Algorithm: sha256WithRSAEncryption
Serial Number: 411257b7cb1aab5edde3f945dd5b719d6f3
SHA1 Fingerprint: 5F:33:56:7D:2F:48:AE:53:44:A8:9A:E1:C1:0C:48:1E:47:BC:3C:9A
MD5 Fingerprint: C5:1F:28:E3:32:45:5F:8C:28:3C:F3:D0:23:1D:D2:FF

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

Certificate # 3 - Common Name: ISRG Root X1

Decode this certificate for verbose information →
In place? Yes, this certificate directly certifies the preceding one
Subject Common Name ISRG Root X1
Subject Organization Internet Security Research Group
Issuer Common Name DST Root CA X3
Issuer Organization Digital Signature Trust Co.
Not Before: Jan 20, 2021 19:14:03 GMT
Not After: Sep 30, 2024 18:14:03 GMT
Signature Algorithm: sha256WithRSAEncryption
Serial Number: 4001772137d4e942b8ee76aa3c640ab7
SHA1 Fingerprint: 93:3C:6D:DE:E9:5C:9C:41:A4:0F:9F:50:49:3D:82:BE:03:AD:87:BF
MD5 Fingerprint: C1:E1:FF:07:F9:F6:88:49:82:74:D1:A1:80:53:EA:BF

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 = epi.com.vn
verify return:1
CONNECTED(00000003)
OCSP response: no response sent
---
Certificate chain
 0 s:CN = epi.com.vn
   i:C = US, O = Let's Encrypt, CN = R3
-----BEGIN CERTIFICATE-----
MIIE7jCCA9agAwIBAgISBBEle3yxqrXt3j+UXdW3GdbzMA0GCSqGSIb3DQEBCwUA
MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD
EwJSMzAeFw0yNDAxMDkwMTM3MjBaFw0yNDA0MDgwMTM3MTlaMBUxEzARBgNVBAMT
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yrIxuPsZDseA7sz99AR15yVl5aDx3ZBPqeP6YbvQMA0GCSqGSIb3DQEBCwUAA4IB
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DzQCWGpCBJNzAvMzLiAufY1+
-----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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MldlTTKB3zhThV1+XWYp6rjd5JW1zbVWEkLNxE7GJThEUG3szgBVGP7pSWTUTsqX
nLRbwHOoq7hHwg==
-----END CERTIFICATE-----
 2 s:C = US, O = Internet Security Research Group, CN = ISRG Root X1
   i:O = Digital Signature Trust Co., CN = DST Root CA X3
-----BEGIN CERTIFICATE-----
MIIFYDCCBEigAwIBAgIQQAF3ITfU6UK47naqPGQKtzANBgkqhkiG9w0BAQsFADA/
MSQwIgYDVQQKExtEaWdpdGFsIFNpZ25hdHVyZSBUcnVzdCBDby4xFzAVBgNVBAMT
DkRTVCBSb290IENBIFgzMB4XDTIxMDEyMDE5MTQwM1oXDTI0MDkzMDE4MTQwM1ow
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5WxCu2+b9LRPwkSICHXM6webFGJueN7sJ7o5XPWioW5WlHAQU7G75K/QosMrAdSW
9MUgNTP52GE24HGNtLi1qoJFlcDyqSMo59ahy2cI2qBDLKobkx/J3vWraV0T9VuG
WCLKTVXkcGdtwlfFRjlBz4pYg1htmf5X6DYO8A4jqv2Il9DjXA6USbW1FzXSLr9O
he8Y4IWS6wY7bCkjCWDcRQJMEhg76fsO3txE+FiYruq9RUWhiF1myv4Q6W+CyBFC
Dfvp7OOGAN6dEOM4+qR9sdjoSYKEBpsr6GtPAQw4dy753ec5
-----END CERTIFICATE-----
---
Server certificate
subject=CN = epi.com.vn

issuer=C = US, O = Let's Encrypt, CN = R3

---
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 4522 bytes and written 401 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