[{"data":1,"prerenderedAt":20},["ShallowReactive",2],{"$f10k9rr6bwh6ro":3},{"title":4,"seoTitle":5,"description":6,"route":7,"kind":8,"toolKey":9,"intro":10,"indexable":11,"sections":12,"related":19},"DNS field guides","DNS field guides | nslookup.online","Three focused DNS guides covering nslookup commands, A vs CNAME records and browser DNS troubleshooting.","\u002Fguides\u002F","index",null,"Practical notes for the question after the query.",true,[13],{"id":14,"title":15,"paragraphs":16},"start","Choose a task, not a guess",[17,18],"Use a command-line reference when you need a reproducible query. Use the record comparison when deciding between an address and an alias. For a browser DNS error, first separate local settings from a public DNS observation.","These guides link back to the corresponding tools. They explain what a result can establish and when more evidence is needed; they do not replace the operating system, DNS provider or mail platform’s own documentation.",[],1792661399117]