получил полный трейс - кто может еще идею сказать - почему так
происходит?

[ [email protected] / ] # dig alionscience.com +trace                         
                                                                                
                                                               [ 13:05 ]

; <<>> DiG 9.6.-ESV-R3 <<>> alionscience.com +trace
;; global options: +cmd
.                       301286  IN      NS      f.root-servers.net.
.                       301286  IN      NS      e.root-servers.net.
.                       301286  IN      NS      h.root-servers.net.
.                       301286  IN      NS      k.root-servers.net.
.                       301286  IN      NS      a.root-servers.net.
.                       301286  IN      NS      g.root-servers.net.
.                       301286  IN      NS      i.root-servers.net.
.                       301286  IN      NS      d.root-servers.net.
.                       301286  IN      NS      m.root-servers.net.
.                       301286  IN      NS      b.root-servers.net.
.                       301286  IN      NS      l.root-servers.net.
.                       301286  IN      NS      j.root-servers.net.
.                       301286  IN      NS      c.root-servers.net.
;; Received 496 bytes from 172.30.0.201#53(172.30.0.201) in 0 ms

com.                    172800  IN      NS      a.gtld-servers.net.
com.                    172800  IN      NS      b.gtld-servers.net.
com.                    172800  IN      NS      c.gtld-servers.net.
com.                    172800  IN      NS      d.gtld-servers.net.
com.                    172800  IN      NS      e.gtld-servers.net.
com.                    172800  IN      NS      f.gtld-servers.net.
com.                    172800  IN      NS      g.gtld-servers.net.
com.                    172800  IN      NS      h.gtld-servers.net.
com.                    172800  IN      NS      i.gtld-servers.net.
com.                    172800  IN      NS      j.gtld-servers.net.
com.                    172800  IN      NS      k.gtld-servers.net.
com.                    172800  IN      NS      l.gtld-servers.net.
com.                    172800  IN      NS      m.gtld-servers.net.
;; Received 494 bytes from 193.0.14.129#53(k.root-servers.net) in 58 ms

alionscience.com.       172800  IN      NS      ns1.alionscience.com.
alionscience.com.       172800  IN      NS      ns2.alionscience.com.
alionscience.com.       172800  IN      NS      ns3.alionscience.com.
;; Received 136 bytes from 192.31.80.30#53(d.gtld-servers.net) in 150 ms

;; connection timed out; no servers could be reached
zsh: bus error (core dumped)  dig alionscience.com +trace
[ [email protected] / ] #

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