Remove DNS Remove Email Remove Server
article thumbnail

EP143: DNS Record Types You Should Know

ByteByteGo

This week’s system design refresher: 8 Most Important System Design Concepts You Should Know (Youtube Video) DNS Record Types You Should Know Polling Vs Webhooks API Vs SDK! Here are the 8 most commonly used DNS Record Types. PTR Record Provides reverse DNS lookup, mapping an IP address back to a domain name.

DNS 130
article thumbnail

EP145: Infrastructure as Code Landscape

ByteByteGo

DNS lookup begins (think of it as looking up a phone number). The request goes through different DNS servers (root, TLD, and authoritative). the client and server perform a TCP three-way handshake with SYN, SYN-ACK, and ACK messages. If there’s a cache miss, it must find the IP address.

Insiders

Sign Up for our Newsletter

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

Trending Sources

article thumbnail

EP147: The Ultimate API Learning Roadmap

ByteByteGo

10 Essential Components of a Production Web Application It all starts with CI/CD pipelines that deploy code to the server instances. After DNS resolution, the requests reach the app servers. Load balancers and reverse proxies (such as Nginx & HAProxy) distribute user requests evenly across the web application servers.

Cookie 173
article thumbnail

How to find applications with NetFlow

Kentik

If you are thinking that those represent HTTP and HTTPS, you would be largely correct, but that doesn’t mean it’s traffic involving web servers. Lots of applications use these ports today, including DNS lookups and email. NetFlow application monitoring: Use DNS logs. How did this happen? NetFlow with NBAR.

article thumbnail

EP141: How to Ace System Design Interviews Like a Boss?

ByteByteGo

Create High-Level Design Break down the system into components such as client apps, servers, load balancers, databases, etc. Used in DNS querying and CDNs. To ensure your ad reaches this influential audience, reserve your space now by emailing sponsorship@bytebytego.com. Focus on the data flow. How Does VISA Make Money?

Unicast 211
article thumbnail

NPM, encryption, and the challenges ahead: Part 1 of 2

Kentik

Once you saw a person’s password to any given application, you knew they were generally using the same one for all of their other applications — email, the ticketing system, the FTP and Novell servers, etc. Getting all the DNS logs is often impractical. Is Google hijacking DNS with DoH? Well, that didn’t last long.

article thumbnail

EP139: Design a Live Streaming System

ByteByteGo

The source could be any video and audio source wired up to an encoder Step 2: To provide the best upload condition for the streamer, most live streaming platforms provide point-of-presence servers worldwide. The streamer connects to a point-of-presence server closest to them.