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Hackers abuse .arpa DNS and ipv6 to evade phishing defenses

Bleeping ComputerMarch 8, 2026

Hackers abuse .arpa DNS and ipv6 to evade phishing defenses

Threat actors are abusing the special-use ".arpa" domain and IPv6 reverse DNS in phishing campaigns that more easily evade domain reputation checks and email security gateways.
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