If you've mistakenly typed "surfdom" instead of the intended word, here are a few possible suggestions. If you meant to convey a sense of serfdom, a common misspelling, you can use that instead. Alternatively, if you intended to refer to the activity of surfing the internet, "surfing" or "surfdom" (short for surf kingdom) could be used. It's always important to proofread and choose the correct word for clarity.