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Simple command line utility to make DNS lookups to the specified server

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dnslookup

Simple command line utility to make DNS lookups. Supports all known DNS protocols: plain DNS, plain DNS-over-TCP, DoH, DoT, DoQ, DNSCrypt.

How to install

  • Using homebrew:
    brew install ameshkov/tap/dnslookup
    
  • From source:
    go install github.com/ameshkov/dnslookup@latest
    
  • You can get a binary from the releases page.
  • You can install it from the Snap Store

Examples:

Plain DNS, use default system resolver:

dnslookup example.org

Plain DNS:

dnslookup example.org 94.140.14.14

Plain DNS-over-TCP:

dnslookup example.org tcp://94.140.14.14

DNS-over-TLS:

dnslookup example.org tls://dns.adguard.com

DNS-over-TLS with IP:

dnslookup example.org tls://dns.adguard.com 94.140.14.14

DNS-over-HTTPS with HTTP/2:

dnslookup example.org https://dns.adguard.com/dns-query

DNS-over-HTTPS with HTTP/3 support (the version is chosen automatically):

HTTP3=1 dnslookup example.org https://dns.google/dns-query

DNS-over-HTTPS forcing HTTP/3 only:

dnslookup example.org h3://dns.google/dns-query

DNS-over-HTTPS with IP:

dnslookup example.org https://dns.adguard.com/dns-query 94.140.14.14

DNS-over-HTTPS with basic auth (supported by AdGuard DNS):

dnslookup example.org https://username:[email protected]/dns-query

DNSCrypt (stamp):

dnslookup example.org sdns://AQIAAAAAAAAAFDE3Ni4xMDMuMTMwLjEzMDo1NDQzINErR_JS3PLCu_iZEIbq95zkSV2LFsigxDIuUso_OQhzIjIuZG5zY3J5cHQuZGVmYXVsdC5uczEuYWRndWFyZC5jb20

DNSCrypt (parameters):

dnslookup example.org 176.103.130.130:5443 2.dnscrypt.default.ns1.adguard.com D12B:47F2:52DC:F2C2:BBF8:9910:86EA:F79C:E449:5D8B:16C8:A0C4:322E:52CA:3F39:0873

DNS-over-QUIC:

dnslookup example.org quic://dns.adguard.com

Sending a PTR query for an IPv4 address (IP address is recognized automatically when RRTYPE is not specified):

dnslookup 8.8.8.8

Sending a PTR query for an IPv6 address (IP address is recognized automatically when RRTYPE is not specified):

dnslookup 2606:4700:4700::1111

Machine-readable format:

JSON=1 dnslookup example.org 94.140.14.14

Disable certificates verification:

VERIFY=0 dnslookup example.org tls://127.0.0.1

Specify the type of resource record (default A):

RRTYPE=AAAA dnslookup example.org tls://127.0.0.1
RRTYPE=HTTPS dnslookup example.org tls://127.0.0.1

Specify the class of query (default IN):

CLASS=CH dnslookup example.org tls://127.0.0.1

Set DNSSEC DO bit in the request's OPT record:

DNSSEC=1 dnslookup example.org tls://8.8.8.8

Specify EDNS subnet:

SUBNET=1.2.3.4/24 dnslookup example.org tls://8.8.8.8

Add EDNS0 Padding:

PAD=1 dnslookup example.org tls://127.0.0.1

Specify EDNS option with code point code and optionally payload of value as a hexadecimal string: EDNSOPT=code:value. Example (equivalent of dnsmasq's --add-cpe-id=12345678):

EDNSOPT=65074:3132333435363738 RRTYPE=TXT dnslookup o-o.myaddr.l.google.com tls://8.8.8.8

Combine multiple options:

RRTYPE=TXT SUBNET=1.1.1.1/24 PAD=1 dnslookup o-o.myaddr.l.google.com tls://8.8.8.8

Verbose-level logging:

VERBOSE=1 dnslookup example.org tls://dns.adguard.com

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Simple command line utility to make DNS lookups to the specified server

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