dns service

dns helpers that plug into any stack. Browse the catalog below and pick the helpers that fit your workflow.

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Every helper runs with the same simple API key. Sign in (or create a free Dataczar account) at Dataczar Connect to issue keys in seconds, then drop the key into any `ak=` parameter and start shipping.

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Tip: reuse the same key across these helpers, or rotate keys per project from the Connect dashboard.

GETPOSTResolve hostnames and report latency/IPs.

Performs a basic `getaddrinfo` lookup and returns the unique IP addresses plus resolution time.

GETPOSTLookup A/AAAA DNS records.

Lightweight DNS resolver that currently supports A and AAAA lookups using system resolvers.

GETPOSTPerform PTR (reverse DNS) lookups.

Accepts an IPv4/IPv6 address and returns the reported hostname plus aliases.

GETPOSTReport TLS certificate expiration for HTTPS endpoints.

Opens a short-lived TLS connection, reads the certificate, and returns its expiration timestamp + days remaining.

GETPOSTExtract the base domain from any URL.

Useful for normalizing metrics or linking to WHOIS checks—returns the registrable domain sans protocol or www.