digraph {
  graph [compound=true, rankdir=BT, ranksep=0.3];
	node [label="\N",
		penwidth=1.5
	];
	edge [penwidth=1.5];

  subgraph "cluster_example.com" {
		graph [label=<<TABLE BORDER="0"><TR><TD ALIGN="LEFT"><FONT POINT-SIZE="12">example.com</FONT></TD></TR><TR><TD ALIGN="LEFT"><FONT POINT-SIZE="10">(2015-02-06 12:55:32 UTC)</FONT></TD></TR></TABLE>>,
				labeljust=l,
				penwidth=0.5
		];
		"cluster_example.com_top" [shape=point, style=invis];
		"cluster_example.com_bottom" [shape=point, style=invis];
    "RRset-0|foobar.example.com|A" [color="#d0d0d0",
						fillcolor="#ffffff",
						label=<<FONT POINT-SIZE="12" FACE="Helvetica">foobar.example.com</FONT>>,
						shape=rectangle,
						style="rounded,filled,dashed,diagonals"];
		"NSEC3-0|foobar.example.com|A" [color="#000000",
						fillcolor="#ffffff",
            label=<<TABLE COLOR="#000000" BORDER="0" CELLSPACING="-2" CELLPADDING="0" BGCOLOR="lightgray"><TR>
<TD PORT="nsec1" BORDER="2"><FONT POINT-SIZE="6"> </FONT></TD>
<TD PORT="nsec2" BORDER="2"><FONT POINT-SIZE="6"> </FONT></TD>
</TR><TR><TD COLSPAN="2" BORDER="2" CELLPADDING="3"><FONT POINT-SIZE="12" FACE="Helvetica">NSEC3</FONT></TD></TR>
</TABLE>>,
						shape=none,
						style=filled];
  }
	"cluster_example.com_bottom" -> "RRset-0|foobar.example.com|A" [style=invis];
	"RRset-0|foobar.example.com|A" -> "NSEC3-0|foobar.example.com|A" [color="#0a879a", dir=back, style=solid];
}
