<s>
.ua	B-General_Concept
is	O
the	O
Internet	B-Application
country	I-Application
code	I-Application
top-level	O
domain	O
(	O
ccTLD	B-Application
)	O
for	O
Ukraine	O
.	O
</s>
<s>
To	O
register	O
at	O
the	O
second-level	B-Protocol
(	O
example	O
)	O
domainname.ua,	O
possession	O
of	O
the	O
exact	O
trademark	O
(	O
matching	O
the	O
domain	O
name	O
)	O
is	O
required	O
.	O
</s>
<s>
It	O
is	O
not	O
required	O
for	O
third-level	B-Protocol
domains	I-Protocol
(	O
.com.ua	O
,	O
.net.ua	O
,	O
etc	O
.	O
</s>
<s>
As	O
of	O
March	O
2017	O
,	O
around	O
10.78	O
%	O
of	O
all	O
the	O
.ua	B-General_Concept
domains	O
were	O
served	O
via	O
secured	O
HTTPS	O
protocol	O
,	O
with	O
the	O
Let	B-Application
's	I-Application
Encrypt	I-Application
Authority	I-Application
X3	I-Application
being	O
the	O
most	O
popular	O
SSL	O
certificate	O
.	O
</s>
<s>
Nginx	O
is	O
the	O
most	O
popular	O
web	O
server	O
,	O
serving	O
68.97	O
%	O
of	O
the	O
.ua	B-General_Concept
domains	O
,	O
followed	O
by	O
Apache	O
serving	O
17.75	O
%	O
of	O
the	O
total	O
.ua	B-General_Concept
domains	O
.	O
</s>
<s>
To	O
remove	O
the	O
risk	O
of	O
cyber	O
squatting	O
,	O
registration	O
of	O
second-level	B-Protocol
domains	I-Protocol
directly	O
below	O
.ua	B-General_Concept
is	O
restricted	O
to	O
owners	O
of	O
registered	O
trade	O
marks	O
,	O
who	O
may	O
register	O
a	O
domain	O
name	O
similar	O
to	O
that	O
of	O
the	O
trade	O
mark	O
in	O
question	O
.	O
</s>
<s>
However	O
,	O
third-level	B-Protocol
domains	I-Protocol
can	O
be	O
registered	O
beneath	O
some	O
of	O
the	O
following	O
:	O
</s>
<s>
There	O
are	O
also	O
second-level	B-Protocol
domains	I-Protocol
which	O
are	O
region-specific	O
.	O
</s>
