[sdnog] DNS servfail vs nxdomain

[mohammed tohami]

Hi Samir,


you might find below link useful :


https://forums.extrahop.com/t/tip-of-the-week-dns-servfail-dns-nxdomain-truncated-dns-requests/138

Tip of the week: DNS SERVFAIL, DNS NXDOMAIN, Truncated DNS ...<https://forums.extrahop.com/t/tip-of-the-week-dns-servfail-dns-nxdomain-truncated-dns-requests/138>
forums.extrahop.com
This tip of the week is going to look some low level details in the Domain Name System (DNS). What are SERVFAIL and NXDomain messages? What are truncated DNS errors?


Thanks & regards,


Mohammed Altohami


________________________________
From: sdnog-bounces at sdnog.sd <sdnog-bounces at sdnog.sd> on behalf of Samir S. Omer <samir.saif at sudren.edu.sd>
Sent: Thursday, January 12, 2017 10:38 AM
To: Sudan NOG
Subject: [sdnog] DNS servfail vs nxdomain

Hi

good day

can someone explain to me what is the difference between SERVFAIL and NXDOMAIN
and in which cases I might encounter each of them ?

Samir
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