[dns-operations] 答复: Curiousity, many all numeric sub-domains of .cn?

[John Levine]

>5.	So many (sub) domains construct a very complex web, which search engine¡¯s bots are stuck in it. This blackhat SEO named ¡°spider pool¡±
>
>there is a excellent paper describe "spider pool":
>https://www.usenix.org/system/files/conference/usenixsecurity16/sec16_paper_du.pdf

Ah, that's what they're called.

I have a little sample one at http://www.web.sp.am

It's snared some web spiders that I would have thought would know
better.

R's,
John