A supporter of Sen. Elizabeth Warren Elizabeth WarrenBiden's fiscal program: What is the likely market impact? Warren, Schumer introduce plan for next president to cancel ,000 in student debt The Hill's 12:30 Report - Presented by Facebook - Don't expect a government check anytime soon MORE (D-Mass.) is turning the tables on Donald Trump Donald John TrumpUS reimposes UN sanctions on Iran amid increasing tensions Jeff Flake: Republicans 'should hold the same position' on SCOTUS vacancy as 2016 Trump supporters chant 'Fill that seat' at North Carolina rally MORE's favorite insult for the senator.

The website Pocahontas.com now redirects it to Warren's campaign website — the handiworkwork of one of her supporters, according to the Washington Post.

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Trump often refers to Warren as "Pocahontas," an allusion to controversy about her heritage that she faced during her 2012 Senate campaign. Warren claims she grew up being told she had Cherokee heritage but that hasn't been proven.

"Pocahontas is at is again! Goofy Elizabeth Warren, one of the least productive U.S. Senators, has a nasty mouth," Trump tweeted Friday morning.

Warren and Trump have been targeting each other with insults in recent weeks. Warren brought their feud to a new level Thursday, calling Trump a "thin-skinned, racist bully" during a speech at the American Constitution Society convention in Washington.