--- title: "Jessica walt (@dnslookup) | Hashnode" description: "Having 5 years of experience in DNS servers. Read the latest articles by Jessica walt on Hashnode." url: "https://hashnode.com/@dnslookup" --- @dnslookup # Jessica walt @dnslookup · New York City, USA · Joined March 2026 Having 5 years of experience in DNS servers ### [How to Use Dig and NSLookup to Trace DNS Paths](https://dnschecker.hashnode.dev/how-to-use-dig-and-nslookup-to-trace-dns-paths?utm_source=hashnode&utm_medium=feed) Have you ever felt like you are just shouting into a dark room when a website wont load? It is realy annoying when you know the internet is fine but your computer just refuses to find the site you nee 3 min read · [dnschecker.hashnode.dev](https://dnschecker.hashnode.dev/how-to-use-dig-and-nslookup-to-trace-dns-paths?utm_source=hashnode&utm_medium=feed) [May 1](https://hashnode.com/posts/how-to-use-dig-and-nslookup-to-trace-dns-paths/69f49662ec32cba9e5fe1ad5) ### [Why Your DNS Configuration Might Be Killing Your Core Web Vitals](https://dns-monitor.hashnode.dev/why-your-dns-configuration-might-be-killing-your-core-web-vitals?utm_source=hashnode&utm_medium=feed) How a bad setup drags down your scores The hidden killers in your records Cleaning up the mess for better rankings Cleaning up the mess for better rankings 4 min read · [dns-monitor.hashnode.dev](https://dns-monitor.hashnode.dev/why-your-dns-configuration-might-be-killing-your-core-web-vitals?utm_source=hashnode&utm_medium=feed) [Apr 14](https://hashnode.com/posts/why-your-dns-configuration-might-be-killing-your-core-web-vitals/69de8ca391716f3cfb6b75db) ### [How Many DNS Servers Should a Network Have](https://dnschecker.hashnode.dev/how-many-dns-servers-should-a-network-have?utm_source=hashnode&utm_medium=feed) A responsible network should know how many DNS Servers should a network can have. 3 min read · [dnschecker.hashnode.dev](https://dnschecker.hashnode.dev/how-many-dns-servers-should-a-network-have?utm_source=hashnode&utm_medium=feed) [Apr 11](https://hashnode.com/posts/how-many-dns-servers-should-a-network-have/69da47f1c8e5007ddba82a65) ### [Top 10 DNS Lookup & Spy Tools for Network Admins in 2026](https://dnschecker.hashnode.dev/top-10-dns-lookup-spy-tools-for-network-admins-in-2026?utm_source=hashnode&utm_medium=feed) Top 10 DNS Lookup & Spy Tools for Network Admins in 2026 so you can have the best and secure traffic ever. 4 min read · [dnschecker.hashnode.dev](https://dnschecker.hashnode.dev/top-10-dns-lookup-spy-tools-for-network-admins-in-2026?utm_source=hashnode&utm_medium=feed) [Apr 11](https://hashnode.com/posts/top-10-dns-lookup-spy-tools-for-network-admins-in-2026/69da4675c8e5007ddba74b3e)