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alt.com.br

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

Exceptional Security

Overall Rating
185.230.63.107 · WHOIS ›
Assessed 2026-11-08 08:43 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)
alt.com.br301 → https://alt.com.br/ → … → https://www.alt.com.br/ → 200 OK301 → https://www.alt.com.br/ → 200 OK
www.alt.com.br301 → https://www.alt.com.br/ → 200 OK200 OK
  • http://alt.com.br redirects to HTTPS.

DNS Records

As a public resolver answered for alt.com.br. Looked up 2026-11-08 08:43 UTC · 2 days ago

TypeRecords
A
AAAA None
NS
ns1.altcloud.net.br ns2.altcloud.net.br
MX
1 aspmx.l.google.com 5 alt1.aspmx.l.google.com 5 alt2.aspmx.l.google.com 10 alt3.aspmx.l.google.com 10 alt4.aspmx.l.google.com
SPF
v=spf1 include:_spf.google.com ~all

Certificate Identity

Common Namealt.com.br
Alt Names alt.com.br www.alt.com.br
IssuerCN=WR1, O=Google Trust Services, C=US
Validity 2026-09-27 to 2026-12-26 (45 days remaining)
KeyRSA 2048 bits (sha256RSA)
Serial Number00BBB66157EA1C7D2311D400EB06E93DCB
SHA256 Fingerprint 9697c9542ca1fb0d89a8c34d922dfd9994758a3ff1994ddb4f16f034c22c708b
Pin SHA256hyuh4f88WEA24hvc9m2HjaP/Ryg5Lw3ThlCGT2KGcMk=

Certificate Properties

Type DV
Cert Transparency Yes (SCT)
OCSP Must Staple No
Revocation Good (not revoked) CRL: http://c.pki.goog/wr1/33G1XQ6HHyw.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 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_128_GCM_SHA256

Protocol Details

Connection
ALPN h2 http/1.1
SNI Required Yes
Supported Named Groups X25519MLKEM768 x25519 secp256r1 secp384r1 secp521r1 (server preference order)
Post-Quantum Key Exchange Yes 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 (certificate has no OCSP responder)
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_128_GCM_SHA2560x1301ECDHEFS128Secure
TLS_AES_256_GCM_SHA3840x1302ECDHEFS256Secure
TLS_CHACHA20_POLY1305_SHA2560x1303ECDHEFS256Secure
# TLS 1.2 (server-preferred order)
TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA2560xC02FECDHEFS128Secure
TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA3840xC030ECDHEFS256Secure
TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA2560xCCA8ECDHEFS256Secure
TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA0xC013ECDHEFS128Weak
TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA0xC014ECDHEFS256Weak

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_128_GCM_SHA256 Success
Chrome 49 / XP SP3TLS 1.2TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 Success
IE 11 / Win 10TLS 1.2TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 Success
IE 11 / Win 7TLS 1.2TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 Success
Android 9.0TLS 1.2TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 Success
Android 7.0TLS 1.2TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 Success
Android 5.0TLS 1.2TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 Success
Android 4.4.2TLS 1.2TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 Success
Java 11TLS 1.2TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 Success
Java 8u121TLS 1.2TLS_ECDHE_RSA_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.

Trust Chain Architecture

End-Entity Certificate
CN=alt.com.br (Issuer: CN=WR1, O=Google Trust Services, C=US)
Intermediate CA
CN=WR1, O=Google Trust Services, C=US (Issuer: CN=GTS Root R1, O=Google Trust Services LLC, C=US)
Root Certificate
CN=GTS Root R1, O=Google Trust Services LLC, C=US (Issuer: CN=GTS Root R1, O=Google Trust Services LLC, C=US)

TLS History & Relations

Everything our scans have seen for alt.com.br, first seen 2026-11-08; current certificate since 2026-11-08.

Certificates served

Certificate (SHA-256)IssuerValidServed
9697c9542ca1fb0d… current WR12026-09-27 → 2026-12-262026-11-08

Addresses

AddressCertificateSeen
185.230.63.107 9697c9542ca1fb0d… 2026-11-08

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

Since → last checked (UTC)GradeTLSCertificatesAddresses
2026-11-08 08:43A+TLS 1.3 9697c9542ca1fb0d… 185.230.63.107

Other hosts seen on the same addresses