Viewing profile — sashametro

If you run those commands without the +short you will see that the TTL values for those responses are less than 59 (which for Google Public DNS, indicates they are cached, and expl…

However, 9.9.9.10 does not perform DNSSEC validation, as 8.8.8.8 (Google), 64.6.64.6 (Verisign), 9.9.9.9 (Quad9), and now 1.1.1.1 (CloudFlare) do, so results may not be as trustwor…

And if you use DNS-over-HTTPS to get your answers from Google, Comcast can't modify them.

Note that although it is not documented, when you query the Google DNS-over-HTTPS service from Chrome, it will usually use QUIC. You can check this at chrome://net-internals/#quic,…

Google Public DNS (8.8.8.8) verifies DNSSEC by default. So does Verisign Public DNS (64.6.64.6). Some measurements of DNSSEC validation show that as much as 15% of Internet domain …

Note that although it is not documented, when you query the Google DNS-over-HTTPS service from Chrome, it will usually use QUIC. You can check this at chrome://net-internals/#quic,…

There are several different implementations of proxies for DNS-over-HTTPS: https://github.com/aarond10/https_dns_proxy (C) https://github.com/pforemski/dingo (Golang) https://githu…

A bit more obscure, but tremendously fun (and very geeky), are George Gamow's Mr. Tompkins books ( http://en.wikipedia.org/wiki/Mr_Tompkins ) - I discovered the first two in my hig…

Given that it is "powered by mxGraph," which is a product of jGraph, that would seem to be the company.

I wonder if the providers of this service have thought about crowd-sourcing the caller-id information, like http://mrnumber.com/ whose free tier harvests number->name mapping from …

If you have an e-mail address in .edu you can have free private repos with unlimited users having access to them. Just register your .edu e-mail on the site and the 5 user limit is…

I wonder, if somebody took the same optimization approach (cache-line size optimization) to the tree/hash/etc. data-structures and applied them to matrices, would they be inspired …

I use SourceTree too - I tried to use GitHub for Mac, but it requires a 64-bit Mac, which I don't have. Guess they're just too cool for those old systems...it would be nice if they…

One of the nice things about Markdown and reStructuredText is that there is actually a substantial overlap in their markup formatting - it is not too difficult to write documents i…

When I contribute to FOSS software I know that the odds are very good that other people will actually benefit from the work that I do. Having worked for several startups, I know th…