Add IntoDNS mail and DNS server checker.

This commit is contained in:
Austin Lowery 2018-12-22 02:20:48 -06:00
parent 265c3cced8
commit 67c8ba84fe

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@ -273,6 +273,8 @@ Before add pull request please see **[this](https://github.com/trimstray/the-boo
&nbsp;&nbsp;:small_orange_diamond: <a href="https://dnstable.com/"><b>DNS Table online</b></a> - search for DNS records by domain, IP, CIDR, ISP.<br>
&nbsp;&nbsp;:small_orange_diamond: <a href="http://ptrarchive.com/"><b>PTRarchive.com</b></a> - this site is responsible for the safekeeping of historical reverse DNS records.<br>
&nbsp;&nbsp;:small_orange_diamond: <a href="http://xip.io/"><b>xip.ip</b></a> - wildcard DNS for everyone.<br>
&nbsp;&nbsp;:small_orange_diamond: <a href="https://intodns.com"><b>INTO DNS</b></a> - DNS and mail server health checker.<br>
</p>
##### :black_small_square: Mail