Unverified60% confidenceFactExact time
DNS tunneling transmits data by encoding it into the domain name portion of DNS queries, which are then resolved and responded to by an authoritative DNS server set up by the controlling party.
2
Sources
60%
Confidence
Long-term
Relevance
9/27/2026
First Seen
Sources
Related Entities
Related Claims
UnverifiedDNS tunneling is commonly used to bypass the authentication portals of paid Wi-Fi networks, or as a covert communication channel (C2 channel) for malware.79% similarUnverifiedDNS rebinding attacks exploit the flexibility of the TTL mechanism in the DNS protocol to bypass browser same-origin policies based on domain names by rapidly switching domain name resolution.77% similarUnverifiedEven when a container's default gateway is pointed to an internal DNS resolver, an agent that can directly construct UDP packets (via raw sockets or low-level network APIs) may still be able to bypass system-level DNS settings and connect directly to external authoritative servers.70% similarUnverifiedUsers can bypass domain-level or IP-level blocking by using a VPN, changing their DNS settings (such as using a public DNS service), or accessing directly via IP address.69% similar
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