How long until DNS changes propagate?
Depends on TTL and resolver cache—often minutes, sometimes up to 48 hours globally.
DevTools DNS Lookup queries A, AAAA, CNAME, MX, TXT, NS, SOA, and other records for a domain via a server proxy—useful for DNS and email troubleshooting.
Look up A, AAAA, CNAME, MX, TXT, NS, SOA, and other DNS records for a domain.
Before pointing CDN, mail, or subdomains, confirm DNS is correct. Enter a root or subdomain and select record types to query.
Depends on TTL and resolver cache—often minutes, sometimes up to 48 hours globally.
MX specifies mail servers for a domain. Email delivery also relies on SPF/DKIM and related TXT records.
DNS lookups use a server route for the query only—content is not saved as history on DevTools.
Yes. No registration required.
Convert between common formats: CSV/JSON, YAML/JSON, TOML/JSON, Markdown/HTML, timestamps, image Base64, text encodings, and number bases.
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Full JSON toolkit: format, validate, minify, convert to CSV/XML, diff, generate and validate Schema, JSONPath, and tree view—all processed locally in the browser.
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