[dns-operations] check if a domain has been registered via DNS

Robert Edmonds edmonds at mycre.ws
Fri Apr 28 17:11:03 UTC 2017


Viktor Dukhovni wrote:
> That is an *actual* CNAME in the ccTLD zone.  Other examples include:

> ava.com.de.             CNAME   forwarding.centralnic.com.
> balseal.com.de.         CNAME   forwarding.centralnic.com.
> bwin.com.de.            CNAME   forwarding.centralnic.com.
> cross.com.de.           CNAME   forwarding.centralnic.com.
> java.com.de.            CNAME   forwarding.centralnic.com.
> kaiser.com.de.          CNAME   forwarding.centralnic.com.
> main.com.de.            CNAME   forwarding.centralnic.com.
> next.com.de.            CNAME   forwarding.centralnic.com.
> sony.com.de.            CNAME   forwarding.centralnic.com.
> tnt.com.de.             CNAME   forwarding.centralnic.com.

No?

    de.                     172800  IN      NS      a.nic.de.
    de.                     172800  IN      NS      f.nic.de.
    de.                     172800  IN      NS      l.de.net.
    de.                     172800  IN      NS      n.de.net.
    de.                     172800  IN      NS      s.de.net.
    de.                     172800  IN      NS      z.nic.de.
    ;; Received 353 bytes from 192.203.230.10#53(e.root-servers.net) in 8 ms

    com.de.                 86400   IN      NS      ns1.centralnic.net.
    com.de.                 86400   IN      NS      ns2.centralnic.net.
    com.de.                 86400   IN      NS      ns3.centralnic.net.
    com.de.                 86400   IN      NS      ns4.centralnic.net.
    ;; Received 125 bytes from 81.91.164.5#53(f.nic.de) in 114 ms

-- 
Robert Edmonds



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