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iskon.hr

IPv6: no public AAAA record — the domain is reachable over IPv4 only.
A+

Exceptional Security

Overall Rating
213.191.133.200 · WHOIS ›
Assessed 2026-10-24 20:14 UTC

Grade Breakdown

Protocol Support 95%
Key Exchange 90%
Cipher Strength 100%
Certificate 100%

Site Access: HTTP and HTTPS

What a visitor typing each address gets, and where its redirects end (up to 5 are followed), as seen from our scanner.

Hosthttp:// (port 80)https:// (port 443)
iskon.hr301 → https://iskon.hr/ → 200 OK200 OK
www.iskon.hr301 → https://iskon.hr/ → 200 OK301 → https://iskon.hr/ → 200 OK
  • http://iskon.hr redirects to HTTPS.

Certificate Identity

Common Nameiskon.hr
Alt Names *.iskon.hr iskon.hr
IssuerCN=Thawte TLS RSA CA G1, OU=www.digicert.com, O=DigiCert Inc, C=US
Validity 2026-08-11 to 2027-02-25 (114 days remaining)
KeyRSA 2048 bits (sha256RSA)
Serial Number033FCF3891CA6DEEC2F8F24B47C55FD6
SHA256 Fingerprint 4059448e14596f5173cc66a0a4cf653bca6d3304de5c2488a8560e72a76b7fe5
Pin SHA256Moxw6kb7sTZWvpqllQz868GKk/Ohrgqq/8Y0WRmLQbM=

Certificate Properties

Type OV
Cert Transparency Yes (SCT)
OCSP Must Staple No
Revocation Good (not revoked) OCSP: http://status.thawte.com CRL: http://cdp.thawte.com/ThawteTLSRSACAG1.crl
DNS CAA No (missing)
Trusted By Yes Mozilla · Apple · Android · Java · Windows
Name Match Yes
Validity Period 199 days (maximum 200 days for certificates issued then)
Chain IssuesNone

Protocol Configuration

Supported Protocols

TLS 1.3
TLS 1.2
TLS 1.1
TLS 1.0
SSL 3
SSL 2

Negotiated Cipher

TLS_AES_256_GCM_SHA384

Protocol Details

Connection
ALPN http/1.1
SNI Required No
Supported Named Groups x25519 secp256r1 x448 secp521r1 secp384r1 ffdhe2048 ffdhe3072 (server preference order)
Post-Quantum Key Exchange No (no hybrid ML-KEM group such as X25519MLKEM768)
HTTP/3 (QUIC) No
Encrypted Client Hello No
Security Features
Forward SecrecyYes (ECDHE / DHE)
Downgrade Prevention Yes (legacy TLS disabled)
Secure Renegotiation Supported (RFC 5746)
Extended Master Secret Yes (RFC 7627)
OCSP Stapling No
HSTS No
HSTS Preloading N/A (HSTS not enabled)
Security Checks
BEAST attack Mitigated
POODLE (SSLv3) No (SSL 3 not supported)
POODLE (TLS) No
RC4 No
SSL/TLS CompressionNo (not supported by .NET TLS stack)
HeartbleedNot tested

Cipher Suite Analysis

Cipher SuiteHexKey ExchangeFSBitsStrength
# TLS 1.3 (server-preferred order)
TLS_AES_256_GCM_SHA3840x1302ECDHEFS256Secure
TLS_CHACHA20_POLY1305_SHA2560x1303ECDHEFS256Secure
TLS_AES_128_GCM_SHA2560x1301ECDHEFS128Secure
# TLS 1.2 (server-preferred order)
TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA3840xC030ECDHEFS256Secure
TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA2560xC02FECDHEFS128Secure
TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA2560xCCA8ECDHEFS256Secure

Handshake Simulation

ClientProtocolCipher SuiteResult
Chrome 120 / Win 11TLS 1.3TLS_AES_256_GCM_SHA384 Success
Chrome 80 / Win 10TLS 1.3TLS_AES_256_GCM_SHA384 Success
Firefox 115 / Win 10TLS 1.3TLS_AES_256_GCM_SHA384 Success
iOS 17 / SafariTLS 1.3TLS_CHACHA20_POLY1305_SHA256 Success
macOS 14 / SafariTLS 1.3TLS_AES_256_GCM_SHA384 Success
Android 14TLS 1.3TLS_AES_128_GCM_SHA256 Success
Chrome 69 / Win 7TLS 1.2TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 Success
Chrome 49 / XP SP3TLS 1.2TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 Success
IE 11 / Win 10TLS 1.2TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 Success
IE 11 / Win 7TLS 1.2TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 Success
Android 9.0TLS 1.2TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 Success
Android 7.0TLS 1.2TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 Success
Android 5.0TLS 1.2TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 Success
Android 4.4.2TLS 1.2TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 Success
Java 11TLS 1.2TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 Success
Java 8u121TLS 1.2TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 Success
Android 4.0.4-- No
Android 4.1.1-- No
Baidu Jan 2015-- No
Java 6-- No

* Simulated based on server's supported protocols and cipher configuration.

Trust Chain Architecture

End-Entity Certificate
CN=*.iskon.hr, O=Hrvatski Telekom d.d., L=Zagreb, C=HR (Issuer: CN=Thawte TLS RSA CA G1, OU=www.digicert.com, O=DigiCert Inc, C=US)
Intermediate CA
CN=Thawte TLS RSA CA G1, OU=www.digicert.com, O=DigiCert Inc, C=US (Issuer: CN=DigiCert Global Root G2, OU=www.digicert.com, O=DigiCert Inc, C=US)
Root Certificate
CN=DigiCert Global Root G2, OU=www.digicert.com, O=DigiCert Inc, C=US (Issuer: CN=DigiCert Global Root G2, OU=www.digicert.com, O=DigiCert Inc, C=US)

TLS History & Relations

Everything our scans have seen for iskon.hr, first seen 2026-10-24; current certificate since 2026-10-24.

Certificates served

Certificate (SHA-256)IssuerValidServed
4059448e14596f51… current Thawte TLS RSA CA G12026-08-11 → 2027-02-252026-10-24

Addresses

AddressCertificateSeen
213.191.133.200 4059448e14596f51… 2026-10-24

TLS history (a row per change; repeated checks only extend it)

Since → last checked (UTC)GradeTLSCertificatesAddresses
2026-10-24 20:14A+TLS 1.3 4059448e14596f51… 213.191.133.200