Some services apparently used by Wikipedia for mapping IPs to other resources. Great for business intelligence, tracking users, spammers, marketing … More
Category: Internet Engineering
Forward-confirmed reverse DNS (FCrDNS) Tool
This tool is available at http://www.minerazzi.com/tools/fcrdns/lookups.php The tool allows you to do Forward and Reverse DNS lookups. Given a host … More
Status Response Codes Tool
This is a new tool, available at http://www.minerazzi.com/tools/status/codes.php The tool allows you to search for status response codes even if … More
Checking if your DNS has been compromised
Worry about July 9, 2012? Check your DNS. The simplest solution. Visit http://www.dns-ok.us and if you see a green background, … More
On Telneting and other nifty protocols
I’ve installed a new server and few services using Windows Vista. These do not come pre-activated and must be installed. … More
Google DNS Services: The Google Internet?
DNS is one of the nerves of the Internet as it is used to resolve IP addresses to numbers. This … More
IRW:2009-11: Subnetting and Security
The current issue of IRW arrived last week to subscribers. Look what non-subscribers missed:. Featuring article: Subnetting and Security “The … More
IP Packet Fragmentation, MTU, and MSS Tutorials
Two new tutorials on Internet Engineering are available now from Mi Islita.com Minerazzi.com: IP Packet Fragmentation Tutorial [pdf] MTU and … More
DNS Intelligence
Today’s Internet Engineering Part 1 course lecture will be on DNS Intelligence and how we can use DNS records to … More
All About Email Headers
If you are enrolled in the IE-Part 1 course, here is some reference material on Email Headers for today’s lecture: … More
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