Which relay is that? I can't figure it out.

Raw JSON

{
  "kind": 1,
  "id": "367bbcc2bce47923c1553153dd5bcfa569edf0af6acacf9b79ac9b10e31930eb",
  "pubkey": "dd664d5e4016433a8cd69f005ae1480804351789b59de5af06276de65633d319",
  "created_at": 1782640600,
  "tags": [
    [
      "alt",
      "A short note: Which relay is that? I can't figure it out."
    ],
    [
      "e",
      "210eeb0373cb3402952541c77d5b51fb51d1545e6e45f57ab849db73a94462cd",
      "wss://relay.poster.place/",
      "root",
      "4b56bbf41c92e586e88927acb78836eb49f2b184081ef852625cf78be7d56bd6"
    ],
    [
      "e",
      "42ae144643b53f0a77314d73b3641459bdc5561977641f39262035996c516cb9",
      "wss://bitcoinmajlis.nostr1.com/",
      "",
      "f527cf970ce260e74261214bf612e8f75a59db1835ed7e4053326c3f65e232ee"
    ],
    [
      "e",
      "603d1f94f93bf36952034f1f908c9bebf8d90505309bab31697c768905472647",
      "wss://relay.poster.place/",
      "reply",
      "4b56bbf41c92e586e88927acb78836eb49f2b184081ef852625cf78be7d56bd6"
    ],
    [
      "p",
      "f527cf970ce260e74261214bf612e8f75a59db1835ed7e4053326c3f65e232ee",
      "wss://noornode.nostr1.com/"
    ],
    [
      "p",
      "4b56bbf41c92e586e88927acb78836eb49f2b184081ef852625cf78be7d56bd6",
      "wss://relay.poster.place/"
    ],
    [
      "client",
      "Amethyst"
    ]
  ],
  "content": "Which relay is that? I can't figure it out.",
  "sig": "0eba8d47ebc999c18d49e0b6d2070276ee1f409868ea93d8e843beca11503fb19c73b60c7983e403c8894ad60f83892b4b89fe210b9de7a81f536b364aabf9c5"
}