Comments on: Spammer’s Guide to IP addresses, DNS and Addon Domains http://seoblackhat.com/2005/08/10/spammer-guide-to-ip-addresses-dns-and-addon-domains/ Tired of useless Top 10 Lists for ranking in Google? Looking for effective and insightful info? SEO Black Hat Blog offers articles on Blackhat SEO, Linkbait & Link Spamming. And if you need to escape White Hat SEO Whiners, check out he Private Black Hat Search Engine Optimization Forum. Fri, 04 Feb 2011 05:07:23 -0400 http://wordpress.org/?v=2.8.6 hourly 1 By: tpiddy http://seoblackhat.com/2005/08/10/spammer-guide-to-ip-addresses-dns-and-addon-domains/comment-page-1/#comment-164 tpiddy Wed, 07 Sep 2005 18:57:13 +0000 http://seoblackhat.com/?p=31#comment-164 I believe search engines do more than just look at IP addresses of the links. IP addresses are assigned liberally, so it would be better to decide which IP addresses are on the same machine and compute a “host-machine-ratio” of a web site, which would be a determining factor in a web site's likelihood to be spam. This approach is not without its faults, as plenty of legitimate websites are hosted on shared machines with thousands of other websites. If you include in the heuristic information such as the DNS servers and DNS contact information, it becomes a much more functional. There are time constraints the search engines have to deal with in the processing, and many websites use the DNS servers of their domain registrar, which would result in identical DNS servers even without a relationship between the two websites. If compared the outgoing links on the pages which linking to another and combined it with the host-to-mache and DNS records, you could significantly reduce the value of marketers links on related sites. I believe search engines do more than just look at IP addresses of the links. IP addresses are assigned liberally, so it would be better to decide which IP addresses are on the same machine and compute a “host-machine-ratio” of a web site, which would be a determining factor in a web site’s likelihood to be spam.

This approach is not without its faults, as plenty of legitimate websites are hosted on shared machines with thousands of other websites. If you include in the heuristic information such as the DNS servers and DNS contact information, it becomes a much more functional. There are time constraints the search engines have to deal with in the processing, and many websites use the DNS servers of their domain registrar, which would result in identical DNS servers even without a relationship between the two websites.

If compared the outgoing links on the pages which linking to another and combined it with the host-to-mache and DNS records, you could significantly reduce the value of marketers links on related sites.

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