DNS
What is DNS? What is it used for?
How DNS works?
Explain the resolution sequence of: www.site.com
What types of DNS records are there?
What is a A record?
What is a AAAA record?
What is a PTR record?
What is a MX record?
Is DNS using TCP or UDP?
True or False? DNS can be used for load balancing
Which techniques a DNS can use for load balancing?
What is DNS Record TTL? Why do we need it?
What is a zone? What types of zones are there?
I’m Rajesh Kumar, a DevOps, SRE, DevSecOps, Cloud, and Platform Engineering expert passionate about sharing practical knowledge, real-world experiences, and industry best practices. I have worked at Cotocus and regularly write about technology, travel, investing, health, product reviews, and digital marketing through my various platforms.
I publish technical articles at DevOps School, travel stories at Holiday Landmark, stock market insights at Stocks Mantra, health and fitness guidance at My Medic Plus, product reviews at TrueReviewNow, and SEO and digital marketing strategies at Wizbrand.
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