6 Tools To Check DNS Health for Troubleshooting

DNS performs an more and more essential function behind the scenes on the Web. And listed below are some instruments you should utilize to verify it is working as meant.

The Web telephone guide (often known as DNS) have to be working correctly with the intention to benefit from the Web.

And that simply would not apply to the typical web consumer, however a misconfigured DNS may be catastrophic for any on-line enterprise.

For instance, you possibly can poison DNS information (aka Pharming assault) to ship your customers to phishing websites, inflicting irreparable reputational injury to your organization.

The easiest way to remain alert is with DNS monitoring instruments. Anyway, DNS monitoring is for the high-stakes mission, and realistically, site owners do not give it some thought.

In most such instances, you possibly can test the DNS standing with these listed instruments. It helps you clear up issues (if crucial) and ensures security for you and your customers.

DNS spy

DNS Spy is a monitoring service that you could additionally use to immediately generate a report detailing DNS connectivity, efficiency, safety, and so on.

These sections embrace:

  • Connectivity: accessible nameservers and their response
  • Efficiency: Identify servers response time
  • Safety: Checks for finest practices for server location, area title, DNSSEC, and so on.
  • Data: Lists all publicly accessible DNS information

As well as, every report lists the warnings, suggestions, and efficiency for particular person sections, which is nice for troubleshooting.



Inside a fraction of a second, IntoDNS verifies main DNS points associated to call servers, SOA, mail servers and CNAME.

The report is mostly very detailed, together with the IP tackle of the title servers, their response, NS information, and so on., with feedback. As well as, the report lists the SOA serial quantity, refresh interval, retry worth, TTL, expiration quantity, and so on.

As well as, you may be proven the IP addresses of the mail servers, their validity, the related information and any discrepancies or duplications.


mx toolbox

MXToolBox has lots of of assessments on your area’s well being, together with important DNS checks. On the high you instantly see what wants your consideration, adopted by what works effectively.

Personally, I favored this strategy as a result of it cuts out the muddle and briefly is the perfect. As well as, the doable options for course correction are additionally listed.

As well as, you have got numerous different checks, reminiscent of for blacklisting, server and basic area issues.

to dig

dig, a DNS lookup utility, is offered on UNIX-based working methods to question the DNS from the terminal itself.

Dig has quick-to-remember instructions you should utilize to confirm particular DNS information. It really works to seek out out title servers, mail servers, traceroute, reverse DNS lookup and extra.

This is a easy question output:

root@developments:~# dig gf.dev

; <<>> DiG 9.11.3-1ubuntu1.11-Ubuntu <<>> gf.dev
;; world choices: +cmd
;; Bought reply:
;; ->>HEADER<<- opcode: QUERY, standing: NOERROR, id: 28778
;; flags: qr rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 0, ADDITIONAL: 1

; EDNS: model: 0, flags:; udp: 65494
;gf.dev.				IN	A

gf.dev.			300	IN	A
gf.dev.			300	IN	A

;; Question time: 13 msec
;; WHEN: Solar Feb 23 19:27:49 UTC 2020
;; MSG SIZE  rcvd: 67

As well as, you will get solutions from sure servers in regards to the DNS configurations and you do not have to depend upon a single predetermined server like different instruments.

To get began, take a look at these key excavation command examples.

DNS test

dns propagation

The very best use of DNS Checker is to confirm world DNS propagation with a single click on.

Nevertheless, you too can entry their intensive assortment of instruments, together with the DNS instruments, which offer deep searches for particular DNS information.

The one disadvantage I may see is that it’s important to test particular person information one after the other. Nevertheless, DNS Checker is extra versatile and provides you the selection to pick out the popular server for the queries.

Furthermore, you too can carry out a full area well being test in a single go. Checks for SPF, blacklists, and DNS specs for title servers, SOA, mail servers, and so on.

Geekflare DNS lookup


Our proprietary DNS lookup reveals all DNS information for any area you enter.

The report incorporates A, TXT, MX, SPF, and so on., with the corresponding particulars, reminiscent of TTL and precedence. The first use case of this software is verifying a current DNS document replace.

Signal out!

We hope this can assist you troubleshoot DNS points. However since this could be a sophisticated subject for a lot of, this DNS course may come in useful.

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