• DNS服务器查询

    Kali信息收集~4.DNS系列 host -t ns 域名


  • A记录和MX记录查询

    Kali信息收集~4.DNS系列 host 域名(host -t a 域名 + host -t mx 域名)


    PS:A (Address) 记录是用来指定主机名(或域名)对应的IP地址记录。用户可以将该域名下的网站服务器指向到自己的web server上。同时也可以设置您域名的子域名。通俗来说A记录就是服务器的IP,域名绑定A记录就是告诉DNS,当你输入域名的时候给你引导向设置在DNS的A记录所对应的服务器。

    PS:MX记录也叫做邮件路由记录,用户可以将该域名下的邮件服务器指向到自己的mail server上,然后即可自行操控所有的邮箱设置。您只需在线填写您服务器的IP地址,即可将您域名下的邮件全部转到您自己设定相应的邮件服务器上。简单的说,通过操作MX记录,您才可以得到以您域名结尾的邮局。

4.2Dig :DNS挖掘

  • 参数:

    root@Kali:/home/dnt# dig -h

    Usage: dig [@global-server] [domain] [q-type] [q-class] {q-opt}

    {global-d-opt} host [@local-server] {local-d-opt}

    [ host [@local-server] {local-d-opt} [...]]

    Where: domain         is in the Domain Name System

    q-class is one of (in,hs,ch,...) [default: in]

    q-type is one of (a,any,mx,ns,soa,hinfo,axfr,txt,...) [default:a]

    (Use ixfr=version for type ixfr)

    q-opt is one of:

    -x dot-notation (shortcut for reverse lookups)

    -i (use IP6.INT for IPv6 reverse lookups)

    -f filename (batch mode)

    -b address[#port] (bind to source address/port)

    -p port (specify port number)

    -q name (specify query name)

    -t type (specify query type)

    -c class (specify query class)

    -k keyfile (specify tsig key file)

    -y [hmac:]name:key (specify named base64 tsig key)

    -4 (use IPv4 query transport only)

    -6 (use IPv6 query transport only)

    -m (enable memory usage debugging)

    d-opt is of the form +keyword[=value], where keyword is:

    +[no]vc (TCP mode)

    +[no]tcp (TCP mode, alternate syntax)

    +time=### (Set query timeout) [5]

    +tries=### (Set number of UDP attempts) [3]

    +retry=### (Set number of UDP retries) [2]

    +domain=### (Set default domainname)

    +bufsize=### (Set EDNS0 Max UDP packet size)

    +ndots=### (Set NDOTS value)

    +[no]edns[=###] (Set EDNS version) [0]

    +[no]search (Set whether to use searchlist)

    +[no]showsearch (Search with intermediate results)

    +[no]defname (Ditto)

    +[no]recurse (Recursive mode)

    +[no]ignore (Don't revert to TCP for TC responses.)

    +[no]fail (Don't try next server on SERVFAIL)

    +[no]besteffort (Try to parse even illegal messages)

    +[no]aaonly (Set AA flag in query (+[no]aaflag))

    +[no]adflag (Set AD flag in query)

    +[no]cdflag (Set CD flag in query)

    +[no]cl (Control display of class in records)

    +[no]cmd (Control display of command line)

    +[no]comments (Control display of comment lines)

    +[no]rrcomments (Control display of per-record comments)

    +[no]question (Control display of question)

    +[no]answer (Control display of answer)

    +[no]authority (Control display of authority)

    +[no]additional (Control display of additional)

    +[no]stats (Control display of statistics)

    +[no]short (Disable everything except short

    form of answer)

    +[no]ttlid (Control display of ttls in records)

    +[no]all (Set or clear all display flags)

    +[no]qr (Print question before sending)

    +[no]nssearch (Search all authoritative nameservers)

    +[no]identify (ID responders in short answers)

    +[no]trace (Trace delegation down from root [+dnssec])

    +[no]dnssec (Request DNSSEC records)

    +[no]nsid (Request Name Server ID)

    +[no]sigchase (Chase DNSSEC signatures)

    +trusted-key=#### (Trusted Key when chasing DNSSEC sigs)

    +[no]topdown (Do DNSSEC validation top down mode)

    +[no]split=## (Split hex/base64 fields into chunks)

    +[no]multiline (Print records in an expanded format)

    +[no]onesoa (AXFR prints only one soa record)

    +[no]keepopen (Keep the TCP socket open between queries)

    global d-opts and servers (before host name) affect all queries.

    local d-opts and servers (after host name) affect only that lookup.

    -h (print help and exit)

    -v (print version and exit)

  • 常用:dig 域名 any

    Kali信息收集~4.DNS系列 root@Kali:/home/dnt# dig cnblogs.com any

    ; <<>> DiG 9.9.5-9+deb8u2-Debian <<>> cnblogs.com any

    ;; global options: +cmd

    ;; Got answer:

    ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 18664

    ;; flags: qr rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 0, ADDITIONAL: 0


    ;cnblogs.com.                        IN        ANY


    cnblogs.com.                5        IN        NS        ns4.dnsv4.com.

    cnblogs.com.                5        IN        NS        ns3.dnsv4.com.

    ;; Query time: 2010 msec

    ;; SERVER:

    ;; WHEN: Thu Dec 24 23:19:22 CST 2015

    ;; MSG SIZE rcvd: 71

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