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:	Matches Common Name or/and SAN
Expired:	No (52 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:	168.235.89.57
Reverse IP lookup:	concretise.ca.
Nameserver:	ns1.dotster.com.
Nameserver:	ns2.dotster.com.

General Information

Common Name:	concretise.ca
SANs:	DNS:concretise.caDNS:discord.concretise.caDNS:je.concretise.caDNS:pixabay.concretise.caDNS:webmail.concretise.caDNS:www.concretise.ca Total number of SANs: 6
Signature Algorithm:	sha256WithRSAEncryption
Key Type:	RSA
Key size:	2048 bits
Serial Number:	353fb7425780ad64779041e45fba64a8d6c
Not Before:	Oct 31, 2023 06:50:05 GMT
Not After:	Jan 29, 2024 06:50:04 GMT
Number of certs:	3
Revocation Status:	good
OCSP Stapling:	Not Supported
Server:	Apache/2.4.56 (Debian)
HSTS:	Not Supported
HPKP:	Not Supported

Chain Information

Certificate # 1 - Common Name: concretise.ca

Decode this certificate for verbose information →

Subject Common Name	concretise.ca
Issuer Common Name	R3
Issuer Organization	Let's Encrypt
Not Before:	Oct 31, 2023 06:50:05 GMT
Not After:	Jan 29, 2024 06:50:04 GMT
Signature Algorithm:	sha256WithRSAEncryption
Serial Number:	353fb7425780ad64779041e45fba64a8d6c
SHA1 Fingerprint:	22:27:1A:83:B8:71:A7:7F:62:A9:A6:C6:A0:60:33:8A:B7:63:C4:D1
MD5 Fingerprint:	BC:74:40:BC:9F:D7:F2:64:3E:2F:82:CE:97:99:3A:7D

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 = concretise.ca
verify return:1
CONNECTED(00000003)
OCSP response: no response sent
---
Certificate chain
 0 s:CN = concretise.ca
   i:C = US, O = Let's Encrypt, CN = R3
-----BEGIN CERTIFICATE-----
MIIFVDCCBDygAwIBAgISA1P7dCV4CtZHeQQeRfumSo1sMA0GCSqGSIb3DQEBCwUA
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iyArDv7Rs3c5guS9MumS2TtwWhrH+K09
-----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
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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/
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5WxCu2+b9LRPwkSICHXM6webFGJueN7sJ7o5XPWioW5WlHAQU7G75K/QosMrAdSW
9MUgNTP52GE24HGNtLi1qoJFlcDyqSMo59ahy2cI2qBDLKobkx/J3vWraV0T9VuG
WCLKTVXkcGdtwlfFRjlBz4pYg1htmf5X6DYO8A4jqv2Il9DjXA6USbW1FzXSLr9O
he8Y4IWS6wY7bCkjCWDcRQJMEhg76fsO3txE+FiYruq9RUWhiF1myv4Q6W+CyBFC
Dfvp7OOGAN6dEOM4+qR9sdjoSYKEBpsr6GtPAQw4dy753ec5
-----END CERTIFICATE-----
---
Server certificate
subject=CN = concretise.ca

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 4624 bytes and written 408 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