Domains with DNS TXT v=spf1 a mx a:oliver.mueller mx:oliver.mueller include:_smtp.udag.de +all
There is 1 domain that have DNS TXT set to v=spf1 a mx a:oliver.mueller mx:oliver.mueller include:_smtp.udag.de +all.
There is 1 domain that have DNS TXT set to v=spf1 a mx a:oliver.mueller mx:oliver.mueller include:_smtp.udag.de +all.