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Last active December 14, 2018 22:21
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special domains
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gistfile1.md

Useful Special Domains and IPs

Domains

  • *.example.com will never resolve
  • *.<IP>.xip.io *.<IP>.nip.io resolves to <IP> example: foo.10.0.0.1.xip.io resolves to 10.0.0.1
  • *.lvh.me *.vcap.me resolves to 127.0.0.1

IPs

  • 255.255.255.255 always a bad IP

DNS

  • 8.8.8.8 8.8.4.4 Google
  • 1.1.1.1 1.0.0.1 Cloudflare
  • 208.67.222.222 208.67.220.220 OpenDNS
  • 208.67.222.123 208.67.220.123 OpenDNS w/ Family Shield
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