Certain TLDs/extensions are allowed to be registered for free. Examples include: .tk and .ml

Say for example, I register somedomain.tk as my personal domain for email only.

I use Google Apps (for email hosting) and register: [email protected]

What impact, with regards to being flagged for spam, will I experience for using a .tk or .ml or any other free domain extension?

Is spam only determined via IP address or do certain domain extensions (.tk , .ml , etc.) also carry with them negative-opinions from spam-engines?

  • The TLD should not matter. Spam is determined by two things, the IP address having a prior history and the content of the e-mail itself.
    – closetnoc
    Dec 9, 2016 at 17:30
  • As usual closetnoc is right on point. And the crazy part is when ip addresses are flagged being that some ip's have a few thousand websites(domains) associated with them. If people end up receiving email and place you in a contact list or label the email as not spam it helps battling the categorized as spam via ip. Dec 9, 2016 at 18:12
  • .tk domains have historically been linked to spam abuse as I covered here. Although IP's are traditionally used, many ISP's have added filters, including blocking DNS lookups. It might be OK for personal use, but you can buy a gTLD for less than a US dollar.
    – dan
    Dec 10, 2016 at 0:51
  • 1
    While certain TLDs are well know for spam and bad activity, the only place I have seen a TLD penalized in some fashion right out of the gate is in search, though that does not seem to be done anymore, that is, short of domain trust scores.
    – closetnoc
    Dec 10, 2016 at 2:47
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    @closetnoc One only has to search on .tk + spam to see that it's commonly being abused and blocked (like in the link I provided). In fact, the registry for .tk freely admits it here: Dot TK is a very open service, available for everyone in all countries. Because of this we are also used by fraudsters—and we are very aware of this.... I wouldn't recommend for anyone to use this for their email, unless they don't really care if it gets through reliably or not.
    – dan
    Dec 10, 2016 at 4:32


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