telesystem.us
IPv6: no public AAAA record — the domain is reachable over IPv4 only.
All 2 endpoints share identical configuration Select an IP for owner, ASN & location
A+ 199.60.103.226 IPv4 WHOIS › A+ 199.60.103.30 IPv4 WHOIS › Grade Breakdown
Protocol Support 95%
Key Exchange 90%
Cipher Strength 100%
Certificate 100%
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 | h2 http/1.1 |
| SNI Required | Yes |
| Supported Named Groups | X25519MLKEM768 X25519Kyber768Draft00 x25519 secp256r1 secp384r1 secp521r1 (server preference order) |
| Post-Quantum Key Exchange | Yes X25519MLKEM768, X25519Kyber768Draft00 |
| HTTP/3 (QUIC) | Yes (advertised) |
| Encrypted Client Hello | No |
| Security Features | |
| Forward Secrecy | Yes (ECDHE / DHE) |
| Downgrade Prevention | Yes (legacy TLS disabled) |
| Secure Renegotiation | Supported (RFC 5746) |
| Extended Master Secret | Yes (RFC 7627) |
| OCSP Stapling | No (certificate has no OCSP responder) |
| HSTS | Yes 1 year |
| HSTS Preloading | Not preloadedSubmit → |
| Security Checks | |
| BEAST attack | Mitigated |
| POODLE (SSLv3) | No (SSL 3 not supported) |
| POODLE (TLS) | No |
| RC4 | No |
| SSL/TLS Compression | No (not supported by .NET TLS stack) |
| Heartbleed | Not tested |
Cipher Suite Analysis
| Cipher Suite | Hex | Key Exchange | FS | Bits | Strength |
|---|---|---|---|---|---|
| # TLS 1.3 | |||||
| TLS_AES_128_GCM_SHA256 | 0x1301 | ECDHE | FS | 128 | Secure |
| TLS_AES_256_GCM_SHA384 | 0x1302 | ECDHE | FS | 256 | Secure |
| TLS_CHACHA20_POLY1305_SHA256 | 0x1303 | ECDHE | FS | 256 | Secure |
| # TLS 1.2 | |||||
| TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256 | 0xC02B | ECDHE | FS | 128 | Secure |
| TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256 | 0xCCA9 | ECDHE | FS | 256 | Secure |
| TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384 | 0xC02C | ECDHE | FS | 256 | Secure |
Handshake Simulation
| Client | Protocol | Cipher Suite | Result |
|---|---|---|---|
| Chrome 120 / Win 11 | TLS 1.3 | TLS_AES_256_GCM_SHA384 | Success |
| Chrome 80 / Win 10 | TLS 1.3 | TLS_AES_256_GCM_SHA384 | Success |
| Firefox 115 / Win 10 | TLS 1.3 | TLS_AES_256_GCM_SHA384 | Success |
| iOS 17 / Safari | TLS 1.3 | TLS_CHACHA20_POLY1305_SHA256 | Success |
| macOS 14 / Safari | TLS 1.3 | TLS_AES_256_GCM_SHA384 | Success |
| Android 14 | TLS 1.3 | TLS_AES_128_GCM_SHA256 | Success |
| Chrome 69 / Win 7 | TLS 1.2 | TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256 | Success |
| Chrome 49 / XP SP3 | TLS 1.2 | TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256 | Success |
| IE 11 / Win 10 | TLS 1.2 | TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256 | Success |
| IE 11 / Win 7 | TLS 1.2 | TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256 | Success |
| Android 9.0 | TLS 1.2 | TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256 | Success |
| Android 7.0 | TLS 1.2 | TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256 | Success |
| Android 5.0 | TLS 1.2 | TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256 | Success |
| Android 4.4.2 | TLS 1.2 | TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256 | Success |
| Java 11 | TLS 1.2 | TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256 | Success |
| Java 8u121 | TLS 1.2 | TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256 | 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.
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.
| Host | http:// (port 80) | https:// (port 443) |
|---|---|---|
| telesystem.us | 301 → https://www.trusttelesystem.com/ → 200 OK | 301 → https://www.trusttelesystem.com/ → 200 OK |
| www.telesystem.us | 301 → https://www.trusttelesystem.com/ → 200 OK | 301 → https://www.trusttelesystem.com/ → 200 OK |
- http://telesystem.us redirects to HTTPS.
- https://telesystem.us forwards visitors to www.trusttelesystem.com, a different site. View its report ›
DNS Records
As a public resolver answered for telesystem.us. Looked up 2026-11-07 10:32 UTC · today
| Type | Records |
|---|---|
| A | |
| AAAA | None |
| NS | ns1.buckeyecom.net ns2.buckeyecom.net ns3.buckeyecom.net |
| MX | 10 telesystem-us.mail.protection.outlook.com |
| SPF | v=spf1 mx ip4:72.240.36.32/27 ip4:72.240.1.246 ip4:192.254.121.248 ip4:208.84.248.11 ip4:52.203.41.93 ip4:208.84.251.130 include:_spf.coredial.com include:spf.protection.outlook.com include:spf.us.exclaimer.net -all |
Certificate Identity
| Common Name | telesystem.us |
| Alt Names | 4f741a3a.sni.cloudflaressl.com telesystem.us |
| Issuer | CN=WE1, O=Google Trust Services, C=US |
| Validity | 2026-10-18 to 2027-01-16 (69 days remaining) |
| Key | ECDSA 256 bits (sha256ECDSA) |
| Serial Number | 00F46E4677FDB0ADF21398AB37BB7E2FB5 |
| SHA256 Fingerprint | b0e1b397567ebe7d9fb6b65f199838ef0212f4403e5429ead17386eb8880154a |
| Pin SHA256 | oaA7Z/KXFvwVbvMVDPoM6X0eTIeNV/2Q3yk6wyI/HNo= |
Certificate Properties
| Type | DV |
| Cert Transparency | Yes (SCT) |
| OCSP Must Staple | No |
| Revocation | Good (not revoked) CRL: http://c.pki.goog/we1/f_bY-wXbefM.crl No OCSP responder — revocation is published via CRL only (as CA/B Forum rules now allow). |
| DNS CAA | No (missing) |
| Trusted By | Yes Mozilla · Apple · Android · Java · Windows |
| Name Match | Yes |
| Validity Period | 90 days (maximum 200 days for certificates issued then) |
| Chain Issues | None |
Trust Chain Architecture
End-Entity Certificate
CN=4f741a3a.sni.cloudflaressl.com (Issuer: CN=WE1, O=Google Trust Services, C=US)
Intermediate CA
CN=WE1, O=Google Trust Services, C=US (Issuer: CN=GTS Root R4, O=Google Trust Services LLC, C=US)
Root Certificate
CN=GTS Root R4, O=Google Trust Services LLC, C=US (Issuer: CN=GTS Root R4, O=Google Trust Services LLC, C=US)
TLS History & Relations
Everything our scans have seen for telesystem.us, first seen 2026-11-07; current certificate since 2026-11-07.
Certificates served
| Certificate (SHA-256) | Issuer | Valid | Served |
|---|---|---|---|
| b0e1b397567ebe7d… current | WE1 | 2026-10-18 → 2027-01-16 | 2026-11-07 |
Addresses
| Address | Certificate | Seen |
|---|---|---|
| 199.60.103.30 | b0e1b397567ebe7d… | 2026-11-07 |
| 199.60.103.226 | b0e1b397567ebe7d… | 2026-11-07 |
TLS history (a row per change; repeated checks only extend it)
| Since → last checked (UTC) | Grade | TLS | Certificates | Addresses |
|---|---|---|---|---|
| 2026-11-07 10:32 | A+ | TLS 1.3 | b0e1b397567ebe7d… | 199.60.103.30, 199.60.103.226 |
Other domains on the same certificate
- cloudflaressl.com 1 name