s.huque's blog

After more than 20 years of working at Penn (University of Pennsylvania), I've decided to take a new job as Principal Research Scienti...

Yesterday from a post at the Deploy360 website , I learned of Comcast's IPv4 and IPv6 network speed testing tool:         http://spee...

The folks at CZ.NIC (the operators of the Czech Republic's country-code top level domain: .cz ) have created a set of web browser add-...

The following article was contributed by Paul Heinlein, a systems administrator at Galois . Paul attended my full day IPv6 training course ...

From the Internet Society 's most recent (January 16th 2014) round of IPv6 measurements , here again are the top 100 lists ranked by th...

The Internet Society has posted their latest IPv6 measurements (December 12th 2013) . Read the section titled "Notes on network opera...

Some DNS Top Level Domain (TLD) operators publish statistics about their DNS zones. Some others have a zone file access program that allows...

If you follow DNS news, you may know that ICANN has put in place a program to introduce many new generic top level domains (GTLD ) into th...

A while back in a blog article on our 100 Gigabit Ethernet campus upgrades , I mentioned that Penn had applied for a National Science Foun...

Last year I wrote a blog article on DNSSEC and Certificates . Occasionally I get questions from folks who've tried to follow my instruc...