aback.com: used by NS.DELTADNS.NET
aback.net: registered to GET.YOURDOMAIN
                            HERE.COM
aback.org: available
abaft.com: used by DNS13.REGISTER.COM
abaft.net: used by NS1.DIRECTNIC.COM
abaft.org: used by NS1.DIRECTNIC.COM
abandon.com: used by DNS1.DICTIONARY
                            OF.COM
abandon.net: used by T3.TERRAONE.COM
abandon.org: used by NS2.NEWDREAM.NET
abandoned.com: used by NS.NONAMECORP.COM
abandoned.net: used by QUAKE2.3D
                   HOSTING.COM
abandoned.org: used by NS2.abandoned.org
abandoning.com: used by DNS.FAST
                   HOSTS.CO.UK
abandoning.net: available
abandoning.org: available