Zone returning SERVFAIL for existing records

Website, Application, Performance DNS & Network
1

What is the name of the domain?

fdiaz.win

What is the error number?

2

What is the error message?

Host test.fdiaz.win not found: 2(SERVFAIL)

What is the issue you’re encountering

My zone woke up feeling down today. Records that existed previously returning SERVFAIL. I created test.fdiaz.win today to test and it has the same behavior.

What steps have you taken to resolve the issue?

Tried to set up a test record

What feature, service or problem is this related to?

DNS not responding/updating

What are the steps to reproduce the issue?

root@openmediavault:~# dig test.fdiaz.win

; <<>> DiG 9.18.24-1-Debian <<>> test.fdiaz.win
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: SERVFAIL, id: 14903
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 1232
;; QUESTION SECTION:
;test.fdiaz.win. IN A

;; Query time: 95 msec
;; SERVER: 192.168.100.10#53(192.168.100.10) (UDP)
;; WHEN: Mon Jul 08 08:46:14 MDT 2024
;; MSG SIZE rcvd: 43

root@openmediavault:~# dig test.fdiaz.win @yichun.ns.cloudflare.com

; <<>> DiG 9.18.24-1-Debian <<>> test.fdiaz.win @yichun.ns.cloudflare.com
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: SERVFAIL, id: 17014
;; flags: qr rd; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 1
;; WARNING: recursion requested but not available

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 1232
;; QUESTION SECTION:
;test.fdiaz.win. IN A

;; Query time: 11 msec
;; SERVER: 172.64.33.248#53(yichun.ns.cloudflare.com) (UDP)
;; WHEN: Mon Jul 08 08:46:21 MDT 2024
;; MSG SIZE rcvd: 43

root@openmediavault:~# dig test.fdiaz.win @kiki.ns.cloudflare.com

; <<>> DiG 9.18.24-1-Debian <<>> test.fdiaz.win @kiki.ns.cloudflare.com
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: SERVFAIL, id: 62078
;; flags: qr rd; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 1
;; WARNING: recursion requested but not available

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 1232
;; QUESTION SECTION:
;test.fdiaz.win. IN A

;; Query time: 3 msec
;; SERVER: 173.245.58.180#53(kiki.ns.cloudflare.com) (UDP)
;; WHEN: Mon Jul 08 08:47:19 MDT 2024
;; MSG SIZE rcvd: 43

2
3

test.fdiaz.win CNAMEs to origin-c.fdiaz.win, which doesn’t resolve…

dig +short test.fdiaz.win
origin-c.fdiaz.win.
4

That makes no sense.

test.fdiaz.win is simply pointed to 1.1.1.1 for testing, not to origin-c.fdiaz.win.

Regardless, origin-c.fdiaz.win does exist.

image
image1991×614 50.4 KB

5

aaaand it just magically worked without me doing anything…

root@openmediavault:~# dig +short origin-c.fdiaz.win
x.x.x.x
root@openmediavault:~# dig +short test.fdiaz.win
1.1.1.1

This has cloudflare incident written all over it :slight_smile:

6

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