DNS Redundancy at Global Scale
Given that delivering high scale, high performance online services is a core business requirement in the 21st century, it is not surprising that reliability and infrastructure engineers are taking a closer look at their DNS.
DNS over TCP as Seen From the Authoritative Server
A summary of DNS research presented by the author in May 2017 at the DNS-OARC Workshop in Madrid, Spain.
Testing your DNS before cutting over to NS1
It’s fairly common (and smart!) for new NS1 customers to want to do some testing and validation before cutting over production traffic to our DNS.
Automated failover with NS1: UP + PRIORITY Filters
Manual failover is great and all, but it can be even more effective to tie failover into some automation so that as soon as a failure happens in your primary facility, traffic is shifted to your secondary facility.
Software Defined Networking
Software defined networking (SDN) has become a prolific buzzword and a topic of heated debate throughout the networking community at large, especially with the advent of dockerized systems.
Glue Records and Dedicated DNS
In normal DNS resolution, when a resolver attempts to resolve a domain name, it queries the authoritative nameservers for the domain. If the nameservers for a domain exist inside the domain itself, a glue record is needed to resolve the domain name.
Why we Built our own DNS Server From the Ground up
Come read more from NS1’s Kris Beevers as he talks about "Why We Built our own DNS Server From the Ground up" on his Medium blog.
NS1's Favorite Memorial Day Cookout Recipes
A few of our colleagues have shared some of their favorite things they like to whip up in the kitchen when it comes time to celebrate Memorial Day with their friends and family, and we hope you’ll give them a try this weekend!
The CAA Record Type Explained
A CAA record is a special type of DNS record (think TXT or CERT) that allows domain owners to authorize specific third party vendors to issue SSL certificates on behalf of their domains.
See what the future of monitoring looks like at Monitorama 2017
Join us on May 22-24, 2017 in the Gerding Theater at The Armory in Portland, OR for Monitorama, the industry's premier conference for open-source monitoring tools and the folks who use and implement them.
Let the Countdown to Interop ITX Begin
Join us for Interop ITX at the MGM Grand in Las Vegas on May 15th - May 19, 2017. Interop ITX offers five days of world-class education, compelling speakers, and unlimited networking opportunities to drive you businesses forward.
URLs, DNS name resolution, and EasyRedir
Come read more from NS1’s Nate Lindstrom as he talks about URLs, DNS name resolution, and EasyRedir in his new guest blog post
Sticky Filters Enhance Ad-Tech Results
ADCs, known as load balancers, enable response affinity for users in your data center. What about when a user's DNS refreshes? Response affinity from an ADC can't help them. NS1's Sticky filters can.