Domains with DNS TXT v=spf1 include:_smtp.udag.de include:tu-ilmenau.de ~all

There is 1 domain that have DNS TXT set to v=spf1 include:_smtp.udag.de include:tu-ilmenau.de ~all.

Top Domains with TXT set to v=spf1 include:_smtp.udag.de include:tu-ilmenau.de ~all