Domain Trust Report • Search Engine & Cloud Infrastructure

google.com Security Audit & Domain Trust Score

Detailed security posture audit for google.com. Inspect Google's SPF netblocks, DMARC reject enforcement, Google Trust Services SSL, and DNS architecture.

Quick Answer • google.com Security Posture Rating

google.com operated by Google LLC maintains an A+ Trust Rating (98/100). The domain enforces strict DMARC policy (p=reject; sp=reject; pct=100), uses 2048-bit RSA DKIM signatures, and is encrypted with TLS 1.3 certificates issued by Google Trust Services LLC (GTS CA 1C3).

Live Security Audit for google.com

Execute a live multi-protocol audit across DNS, SPF, DKIM, DMARC, and TLS handshake sockets.

Live DNS Probe

Security Architecture Overview: google.com

Google.com is one of the most heavily authenticated domains on the internet. Operating under a strict DMARC p=reject policy with custom distributed SPF netblocks (_netblocks.google.com), Google ensures that unauthorized phishing campaigns pretending to originate from @google.com are blocked worldwide.

Key Anti-Spoofing & Cryptographic Highlights

Strict DMARC Reject Policy: 100% of unauthenticated messages claiming to be from @google.com are dropped at receiving gateways.
Distributed Netblock SPF Architecture: Uses modular sub-records (_netblocks.google.com, _netblocks2.google.com) to optimize DNS lookup quotas.
Native Google Trust Services (GTS) TLS 1.3: Low-latency cryptographic certificates with full Forward Secrecy.

Frequently Asked Questions

What is google.com's DMARC policy?

Google.com enforces "v=DMARC1; p=reject; rua=mailto:mailauth-reports@google.com", strictly dropping any unaligned spoofed email.

Is google.com safe from email spoofing?

Yes. Due to p=reject enforcement and 2048-bit DKIM signatures, email spoofing of @google.com is blocked by all major inbox providers.

What SPF netblock architecture does Google use?

Google distributes its sending IPs across three modular sub-records: _netblocks.google.com, _netblocks2.google.com, and _netblocks3.google.com. This modular design keeps the root SPF record's DNS lookup count at 1 while covering thousands of global sending IPs.

Who issues Google's SSL certificate?

Google.com certificates are issued by Google Trust Services LLC (GTS CA 1C3), Google's in-house Certificate Authority. Google operates its own root CA to reduce dependency on third-party certificate authorities.

What TLS version does google.com use?

Google.com negotiates TLS 1.3 with AEAD-AES256-GCM-SHA384 cipher suites, providing authenticated encryption with associated data for forward secrecy.

How old is the google.com domain?

Google.com was registered on September 15, 1997, making it over 28 years old. Domain age is a key trust signal — older domains with consistent ownership have far higher reputation scores with inbox providers and web crawlers.