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 (174 days till expiration)
Public Key:	We were unable to find any issues in the public key of end-entity certificate
Trusted:	We were unable to verify this 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:	213.161.144.97
Reverse IP lookup:	www.isbank.com.tr.
Nameserver:	isbankns2.isbank.com.tr.
Nameserver:	isbankns1.isbank.com.tr.

General Information

Common Name:	www.isbank.com.tr
SANs:	DNS:www.isbank.com.trDNS:isbank.com.tr Total number of SANs: 2
Organization:	TÜRKİYE İŞ BANKASI A.Ş.
Locality:	LEVENT
Signature Algorithm:	sha256WithRSAEncryption
Key Type:	RSA
Key size:	2048 bits
Serial Number:	27a7e3ec805dea9bdeb59a72
Not Before:	Sep 14, 2023 10:48:47 GMT
Not After:	Oct 15, 2024 10:48:46 GMT
Number of certs:	3
Revocation Status:	good
OCSP Stapling:	Not Supported
Server:	BigIP
HSTS:	Not Supported
HPKP:	Not Supported

Chain Information

Certificate # 1 - Common Name: www.isbank.com.tr

Decode this certificate for verbose information →

Subject Common Name	www.isbank.com.tr
Subject Organization	TÜRKİYE İŞ BANKASI A.Ş.
Issuer Common Name	GlobalSign RSA OV SSL CA 2018
Issuer Organization	GlobalSign nv-sa
Not Before:	Sep 14, 2023 10:48:47 GMT
Not After:	Oct 15, 2024 10:48:46 GMT
Signature Algorithm:	sha256WithRSAEncryption
Serial Number:	27a7e3ec805dea9bdeb59a72
SHA1 Fingerprint:	26:14:06:15:2B:F9:16:08:67:1E:8D:6F:93:EF:31:A1:4D:BB:FE:BB
MD5 Fingerprint:	3B:D3:65:EF:A7:3C:9F:FC:82:0C:02:3E:59:02:7C:3B

Certificate # 2 - Common Name: GlobalSign RSA OV SSL CA 2018

Decode this certificate for verbose information →

In place?	Yes, this certificate directly certifies the preceding one
Subject Common Name	GlobalSign RSA OV SSL CA 2018
Subject Organization	GlobalSign nv-sa
Issuer Common Name	GlobalSign
Issuer Organization	GlobalSign
Not Before:	Nov 21, 2018 00:00:00 GMT
Not After:	Nov 21, 2028 00:00:00 GMT
Signature Algorithm:	sha256WithRSAEncryption
Serial Number:	1ee5f221dfc623bd4333a8557
SHA1 Fingerprint:	DF:E8:30:23:06:2B:99:76:82:70:8B:4E:AB:8E:81:9A:FF:5D:97:75
MD5 Fingerprint:	A7:5D:8B:21:09:11:EE:17:3E:FD:25:E1:E0:0E:D6:FD

Certificate # 3 - Common Name: GlobalSign

Decode this certificate for verbose information →

In place?	Yes, this certificate directly certifies the preceding one
Subject Common Name	GlobalSign
Subject Organization	GlobalSign
Issuer Common Name	GlobalSign
Issuer Organization	GlobalSign
Not Before:	Mar 18, 2009 10:00:00 GMT
Not After:	Mar 18, 2029 10:00:00 GMT
Signature Algorithm:	sha256WithRSAEncryption
Serial Number:	4000000000121585308a2
SHA1 Fingerprint:	D6:9B:56:11:48:F0:1C:77:C5:45:78:C1:09:26:DF:5B:85:69:76:AD
MD5 Fingerprint:	C5:DF:B8:49:CA:05:13:55:EE:2D:BA:1A:C3:3E:B0:28

OpenSSL Handshake

depth=2 OU = GlobalSign Root CA - R3, O = GlobalSign, CN = GlobalSign
verify error:num=19:self signed certificate in certificate chain
verify return:1
depth=2 OU = GlobalSign Root CA - R3, O = GlobalSign, CN = GlobalSign
verify return:1
depth=1 C = BE, O = GlobalSign nv-sa, CN = GlobalSign RSA OV SSL CA 2018
verify return:1
depth=0 C = TR, ST = \C4\B0STANBUL, L = LEVENT, O = T\C3\9CRK\C4\B0YE \C4\B0\C5\9E BANKASI A.\C5\9E., CN = www.isbank.com.tr
verify return:1
CONNECTED(00000003)
OCSP response: no response sent
---
Certificate chain
 0 s:C = TR, ST = \C4\B0STANBUL, L = LEVENT, O = T\C3\9CRK\C4\B0YE \C4\B0\C5\9E BANKASI A.\C5\9E., CN = www.isbank.com.tr
   i:C = BE, O = GlobalSign nv-sa, CN = GlobalSign RSA OV SSL CA 2018
-----BEGIN CERTIFICATE-----
MIIGZjCCBU6gAwIBAgIMJ6fj7IBd6pvetZpyMA0GCSqGSIb3DQEBCwUAMFAxCzAJ
BgNVBAYTAkJFMRkwFwYDVQQKExBHbG9iYWxTaWduIG52LXNhMSYwJAYDVQQDEx1H
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2EYnbU27u4Nng/KbHVBsexY9X4ks0fm0ZlWoj4aEaZtzV3Gnhsd8DrD35zVEHNSn
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A4riqMCaHYW13edZegQ6rzSl2mwPkHLEa+NXy7PtZRiBfqcxGMGFbbP8x7K/7bVm
4Vfi6whHdx1Z/g==
-----END CERTIFICATE-----
 1 s:C = BE, O = GlobalSign nv-sa, CN = GlobalSign RSA OV SSL CA 2018
   i:OU = GlobalSign Root CA - R3, O = GlobalSign, CN = GlobalSign
-----BEGIN CERTIFICATE-----
MIIETjCCAzagAwIBAgINAe5fIh38YjvUMzqFVzANBgkqhkiG9w0BAQsFADBMMSAw
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SPY=
-----END CERTIFICATE-----
 2 s:OU = GlobalSign Root CA - R3, O = GlobalSign, CN = GlobalSign
   i:OU = GlobalSign Root CA - R3, O = GlobalSign, CN = GlobalSign
-----BEGIN CERTIFICATE-----
MIIDXzCCAkegAwIBAgILBAAAAAABIVhTCKIwDQYJKoZIhvcNAQELBQAwTDEgMB4G
A1UECxMXR2xvYmFsU2lnbiBSb290IENBIC0gUjMxEzARBgNVBAoTCkdsb2JhbFNp
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Mx86OyXShkDOOyyGeMlhLxS67ttVb9+E7gUJTb0o2HLO02JQZR7rkpeDMdmztcpH
WD9f
-----END CERTIFICATE-----
---
Server certificate
subject=C = TR, ST = \C4\B0STANBUL, L = LEVENT, O = T\C3\9CRK\C4\B0YE \C4\B0\C5\9E BANKASI A.\C5\9E., CN = www.isbank.com.tr

issuer=C = BE, O = GlobalSign nv-sa, CN = GlobalSign RSA OV SSL CA 2018

---
No client certificate CA names sent
Peer signing digest: SHA256
Peer signature type: RSA
Server Temp Key: ECDH, P-256, 256 bits
---
SSL handshake has read 4130 bytes and written 450 bytes
Verification error: self signed certificate in certificate chain
---
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: 4D4906BAD0FD2A8E94F182589B2433F432C040B4474274600BC1B714297443C6
    Session-ID-ctx: 
    Master-Key: 4A2837253ABB67B7104A9C4E07271DCEED31F1F9B528BC2E20635F503F18CFDF86BAD01E24D23D091205F4DF2014CBB1
    PSK identity: None
    PSK identity hint: None
    SRP username: None
    Start Time: 1713926935
    Timeout   : 7200 (sec)
    Verify return code: 19 (self signed certificate in certificate chain)
    Extended master secret: yes
---
DONE