shell:$ nslookup -timeout=2 -retry=1 'gtm.iq.zain.com1.komaharkia.com'
;; Got SERVFAIL reply from 1.1.1.1, trying next server
;; Got SERVFAIL reply from 8.8.8.8
Server: 8.8.8.8
Address: 8.8.8.8#53
** server can't find gtm.iq.zain.com1.komaharkia.com: SERVFAIL
| 