Ask HN: Why is my comment [dead]?

[covgjai]

I have submitted few URLs in a comment thread and my comment is showing as dead,

Here is the comment,

https://news.ycombinator.com/item?id=6490472

What could be the reason?

You may need to turn on your showdead option to see the comment.

[EDIT: It is not dead anymore. But the question remains, what could be the reason? too many URLs?]

[crevadi]

Many links, You must have raised some spam alarm.

[crevadi]

It is undead now.