{
  "$type": "site.standard.document",
  "description": "Changing from Cloudflare to Quad9 fixed my problem and I don't know why.",
  "path": "/2026-04-15-m5-networking-issues/",
  "publishedAt": "2026-04-15T13:08:26.058Z",
  "site": "at://did:plc:ex23caczr45rodrfcxrwps6h/site.standard.publication/self",
  "tags": [
    "m5",
    "wifi"
  ],
  "textContent": "I've been having a strange issue with my new M5 MacBook Pro and GitHub: at random intervals, my MacBook cannot connect to GitHub. Well, that's not strictly true: Safari can't connect to GitHub, Git Tower can't push or pull, but Chrome has no issues.\n\nUsing dns-sd -G v4 github.com to see what's happening over time:\n\nTimestamp\nA/R\nFlags\nIF\nHostname\nAddress\nTTL\nNote\n\n19:46:30.769\nAdd\n2\n0\ngithub.com.\n20.205.243.166\n15\n\n19:55:16.874\nRmv\n0\n0\ngithub.com.\n20.205.243.166\n0\n\n19:55:16.885\nAdd\n2\n0\ngithub.com.\n20.205.243.166\n63\n\n20:01:42.237\nAdd\n2\n0\ngithub.com.\n0.0.0.0\n77\nNo Such Record\n\n20:01:48.800\nRmv\n0\n0\ngithub.com.\n20.205.243.166\n0\n\n20:10:18.607\nAdd\n2\n0\ngithub.com.\n20.205.243.166\n60\n\n20:21:43.313\nAdd\n2\n0\ngithub.com.\n0.0.0.0\n77\nNo Such Record\n\n20:21:49.456\nRmv\n0\n0\ngithub.com.\n20.205.243.166\n0\n\n20:21:49.508\nRmv\n0\n0\ngithub.com.\n20.205.243.166\n0\n\n20:22:57.954\nAdd\n2\n0\ngithub.com.\n20.205.243.166\n24\n\n20:23:50.255\nRmv\n0\n0\ngithub.com.\n20.205.243.166\n0\n\n20:23:50.267\nAdd\n2\n0\ngithub.com.\n20.205.243.166\n60\n\n20:29:05.686\nAdd\n2\n0\ngithub.com.\n0.0.0.0\n77\nNo Such Record\n\n20:29:13.694\nRmv\n0\n0\ngithub.com.\n20.205.243.166\n0\n\n20:29:13.705\nAdd\n2\n0\ngithub.com.\n20.205.243.166\n68\n\n20:37:31.780\nRmv\n1\n0\ngithub.com.\n20.205.243.166\n0\n\n20:37:31.780\nAdd\n2\n0\ngithub.com.\n0.0.0.0\n60\nNo Such Record\n\nDuring those No Such Record periods, GitHub just refused to work in Safari or Git Tower.\n\nI switched from Cloudflare's 1.1.1.1 service to Quad9, and ever since I've had no issues.\n\nTimestamp\nA/R\nFlags\nIF\nHostname\nAddress\nTTL\nNote\n\n20:37:45.321\nAdd\n2\n0\ngithub.com.\n20.205.243.166\n65\n\n21:13:26.595\nRmv\n0\n0\ngithub.com.\n20.205.243.166\n0\n\n21:13:26.603\nAdd\n2\n0\ngithub.com.\n20.205.243.166\n15\n\nThis wasn't a problem on my M3-series MacBook. I can only assume it's a problem with the M5 and its new networking stack.",
  "title": "M5 Networking Issues"
}