Network Solutions DNS problem: SERVFAIL looking up A for

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My domain is:

I ran this command: certbot

It produced this output:DNS problem: SERVFAIL looking up A for -
the domain’s nameservers may be malfunctioning

My web server is (include version): Apache 2.4

The operating system my web server runs on is (include version): Centos 7

My hosting provider, if applicable, is:

I can login to a root shell on my machine (yes or no, or I don’t know): yes

I’m using a control panel to manage my site (no, or provide the name and version of the control panel):

The version of my client is (e.g. output of certbot --version or certbot-auto --version if you’re using Certbot):certbot 1.0.0

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Hi @dpman

checking your domain -

Your nameserver is

There is a long topic:

Worldnic name servers don’t work. Reason: Unknown.

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Will there be any solution anytime soon?
I am applying to become a CA, its In Processing…
I have a root CA and an intermediate CA? Can you guys
sign the IM cert so I can issue my own certs?

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Switch nameserver provider? You can without changing registrars.

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How can I switch? I have NS at the moment and they host my email…
I host the web site…

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You change the NS records, making sure the MX records point to their mailserver and A/AAAA point to where your website is.

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The A record already points to my server… I have several other domains
and this one is the only one not working… Same set up for all of them…

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So it’s just a fluke. Wait some time and retry.

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Yupperz, I been trying now for a few weeks thinking the same thing…

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I probably would have switched after a few days.

I’d suggest looking into it.


Do you have recommended DNS/email pros that you can recommend?
Preferrably ones that work with LE certs! lol…

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; <<>> DiG 9.11.4-P2-RedHat-9.11.4-9.P2.el7 <<>>
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 39538
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1

; EDNS: version: 0, flags:; udp: 512
; IN A


;; Query time: 51 msec
;; WHEN: Sat Feb 29 12:19:58 EST 2020
;; MSG SIZE rcvd: 63

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I’ve given you three already! :smiley:
I don’t know if NS pulls some shady stuff to keep your dns, but it’s independent from email and anything else.

Just backup all the things before doing anything.

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For free DNS services see also:


No, because Let’s Encrypt certificates are publicly trusted and Let’s Encrypt doesn’t have a way to confirm or control whether other CAs perform validation correctly. So Let’s Encrypt can’t take responsibility for making other CAs publicly trusted by delegating trust to them.


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