diff --git a/TLDs-compatibility.md b/TLDs-compatibility.md
index 4938c01..51a37fa 100644
--- a/TLDs-compatibility.md
+++ b/TLDs-compatibility.md
@@ -2,9 +2,13 @@ _**This list is currently under heavy development. I will update very soon!**_
 
 Some Domains are not working with Mail-in-a-Box's Standard Setup. This is because some TLD registries check, whether the two demanded nameservers have different IPs at different locations. This is not provided in Mail-in-a-Box. For that reason, you may have trouble to setup Mail-in-a-Box with the following TLDs:
 
-* 
+### Recommended 
+These TLDs were tested and work with all Mail-in-a-Box Features like DNSSec/DANE and single-nameserver.
 
-### The following TLD's should work fine (but are not tested yet):
+* ...
+
+### Superficially examined
+These TLDs were checked for Mail-in-a-Box requirements. However - they were not tested!
 
 * .academy (2 Nameservers; No Nameserver-Check; IPv6; IDN; DNSSec)
 * .accountant (2 Nameservers; No Nameserver-Check; IPv6; IDN; DNSSec)
@@ -13,9 +17,8 @@ Some Domains are not working with Mail-in-a-Box's Standard Setup. This is becaus
 * .adult (2 Nameservers; No Nameserver-Check; IPv6; IDN; DNSSec)
 * .ae.org (2 Nameservers; No Nameserver-Check; IPv6; IDN; DNSSec)
 
-
-
-### The following TLD's have some Problems (no IPv6 Support or missing DNSSec). However - you can give them a try:
+### Limited useable
+These TLDs work with Mail-in-a-Box but can have some problems with Features like DNSSec/DANE.
 
 * .aaa.pro (2 Nameservers; No Nameserver-Check; No IPv6; No IDN; No DNSSec)
 * .ac (2 Nameservers; No Nameserver-Check; No IPv6; IDN; No DNSSec)
@@ -27,6 +30,12 @@ Some Domains are not working with Mail-in-a-Box's Standard Setup. This is becaus
 * .af (2 Nameservers; No Nameserver-Check; No IPv6; No IDN; No DNSSec)
 * .ag (0 Nameservers; No Nameserver-Check; No IPv6; No IDN; No DNSSec)
 
-Problems by finding out Information:
+### Not useable
+These TLDs are not working with an Mail-in-a-Box Standard-Setup because of Nameserver-Checks. However - you can still use external Nameservers for these Domains. But this is only for Users with advanced knowledge.
 
-* .adult.ht
+*
+
+### Investigating
+Our Informations about these Domains are not sufficient. 
+
+* .adult.ht
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