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Check glue record for domain

Tue, 09/14/2010 - 08:56 — sandip

If you've just made any changes to the nameservers, you can verify if this has propagated at the root level.

Check root servers for the corresponding tld first. So for .com domains:

dig ns com

The output is as below:

;; ANSWER SECTION:
com.                    172800  IN      NS      h.gtld-servers.net.
com.                    172800  IN      NS      k.gtld-servers.net.
com.                    172800  IN      NS      e.gtld-servers.net.
com.                    172800  IN      NS      d.gtld-servers.net.
com.                    172800  IN      NS      j.gtld-servers.net.
com.                    172800  IN      NS      i.gtld-servers.net.
com.                    172800  IN      NS      c.gtld-servers.net.
com.                    172800  IN      NS      b.gtld-servers.net.
com.                    172800  IN      NS      m.gtld-servers.net.
com.                    172800  IN      NS      l.gtld-servers.net.
com.                    172800  IN      NS      g.gtld-servers.net.
com.                    172800  IN      NS      f.gtld-servers.net.
com.                    172800  IN      NS      a.gtld-servers.net.

Now query the root servers for the corresponding domain:

dig ns edices.com @g.gtld-servers.net

The additional section from the result with the IP address show the glue records.

;; AUTHORITY SECTION:
edices.com.   ;     ;     172800  IN      NS      ns1.edices.com.
edices.com.   ;     ;     172800  IN      NS      ns2.edices.com.
edices.com.   ;     ;     172800  IN      NS      ns3.edices.com.

;; ADDITIONAL SECTION:
ns1.edices.com.         172800  IN      A     ;  207.44.207.121
ns2.edices.com.         172800  IN      A     ;  207.44.206.16
ns3.edices.com.         172800  IN      A     ;  67.228.161.76

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