<s>
A	O
Secure	B-Protocol
Shell	I-Protocol
fingerprint	B-Error_Name
record	O
(	O
abbreviated	O
as	O
SSHFP	B-Protocol
record	I-Protocol
)	O
is	O
a	O
type	O
of	O
resource	O
record	O
in	O
the	O
Domain	B-Protocol
Name	I-Protocol
System	I-Protocol
(	O
DNS	B-Protocol
)	O
which	O
identifies	O
SSH	B-Protocol
keys	I-Protocol
that	O
are	O
associated	O
with	O
a	O
host	O
name	O
.	O
</s>
<s>
The	O
acquisition	O
of	O
an	O
SSHFP	B-Protocol
record	I-Protocol
needs	O
to	O
be	O
secured	O
with	O
a	O
mechanism	O
such	O
as	O
DNSSEC	B-Protocol
for	O
a	O
chain	O
of	O
trust	O
to	O
be	O
established	O
.	O
</s>
<s>
Time	B-Protocol
to	I-Protocol
live	I-Protocol
(	O
in	O
seconds	O
)	O
.	O
</s>
<s>
Algorithm	O
(	O
0	O
:	O
reserved	O
;	O
1	O
:	O
RSA	B-Architecture
;	O
2	O
:	O
DSA	O
,	O
3	O
:	O
ECDSA	O
;	O
4	O
:	O
Ed25519	O
6:Ed448	O
;	O
)	O
</s>
<s>
In	O
this	O
example	O
,	O
the	O
host	O
with	O
the	O
domain	O
name	O
host.example.com	O
uses	O
a	O
DSA	O
key	O
with	O
the	O
SHA-1	B-Algorithm
fingerprint	B-Error_Name
123456789abcdef67890123456789abcdef67890	O
.	O
</s>
<s>
This	O
output	O
would	O
be	O
produced	O
by	O
a	O
ssh-keygen	O
-r	O
host.example.com	O
.	O
</s>
<s>
command	O
on	O
the	O
target	O
server	O
by	O
reading	O
the	O
existing	O
default	O
SSH	B-Protocol
host	O
key	O
(	O
Ed25519	O
)	O
.	O
</s>
<s>
With	O
the	O
OpenSSH	B-Language
suite	O
,	O
the	O
ssh-keyscan	O
utility	O
can	O
be	O
used	O
to	O
determine	O
the	O
fingerprint	B-Error_Name
of	O
a	O
host	O
's	O
key	O
;	O
using	O
the	O
-D	O
will	O
print	O
out	O
the	O
SSHFP	B-Protocol
record	I-Protocol
directly	O
.	O
</s>
