delv

The name "delv" for the Linux DNS lookup and validation utility is likely derived from the word "delve," meaning to explore or investigate deeply. This aligns with the tool's purpose of thoroughly querying and validating DNS records. The truncated form "delv" provides a concise, memorable name that emphasizes its function of delving into DNS information.

heth@h5:~$ delv danskebank.dk @8.8.8.8
; fully validated
danskebank.dk.          21334   IN      A       212.93.59.104
danskebank.dk.          21334   IN      A       212.93.61.104
danskebank.dk.          21334   IN      RRSIG   A 13 2 86400 20250825062645 20250811062645 1979 danskebank.dk. sNH0yNRibnMuecZ03r14brNT/3tBfjSRtWsqhXk0QB++PLYqP0vd1WXM pGK38jM+VGgC3OAQbdVgoVk34TFX5w==

heth@h5:~$ delv jp.dk @8.8.8.8
; unsigned answer
jp.dk.                  60      IN      A       18.173.5.40
jp.dk.                  60      IN      A       18.173.5.64
jp.dk.                  60      IN      A       18.173.5.75
jp.dk.                  60      IN      A       18.173.5.87

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delv