fix spftoolbox description, remove duplicate link

pull/1153/head
nodiscc 7 years ago committed by GitHub
parent b6607a2dcd
commit ac6c292d3f

@ -507,7 +507,7 @@ _Recipe management_
See https://github.com/n1trux/awesome-sysadmin#dns
* [nsupdate.info](https://www.nsupdate.info/) - nsupdate.info is a dynamic DNS service. ([Demo](https://www.nsupdate.info/account/register/), [Source Code](https://github.com/nsupdate-info/nsupdate.info)) `BSD` `Python`
* [SPF Toolbox](http://spftoolbox.charlesabarnes.com) - selfhosted free replacement for Mxtoolbox ([Demo](http://spftoolbox.charlesabarnes.com), [Source Code](https://github.com/bulbajackel/SPFtoolbox)) `MIT` `PHP`
* [SPF Toolbox](http://spftoolbox.charlesabarnes.com) - Application to look up DNS records such as SPF, MX, Whois, and more. ([Source Code](https://github.com/bulbajackel/SPFtoolbox)) `MIT` `PHP`
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