Last week, we got some networking claims(got DNS_PROBE_FINISHED_NXDOMAIN on chrome) of customers who use my services.
It was a case of using 8.8.8.8, changing 1.1.1.1 was solved it, and I reproduced it on my mac.
I use subdomains hosted on Amazon Route53.
app2.manageboard.jpstaging.manageboard.jpapp.manageboard.jpTheir primary DNS is provided by xserver(
xtwo.ne.jp).
ref:
https://www.xserver.ne.jp/manual/man_domain_spec.php8.8.8.8 says `Name servers returned malformed responses`,
https://dns.google/query?name=app2.manageboard.jp&rr_type=A&ecs=and dig also says similar warning (end of this message).
Is the cause in the Primary DNS ?
It's hard to keep asking them to change their DNS to 1.1.1.1 because my service is about to grow and some people will likely use 8.8.8.8.
Thank you
Mika
dig
app2.manageboard.jp +norec @
ns1.xtwo.ne.jp +noedns
;; Warning: Message parser reports malformed message packet.
;; Truncated, retrying in TCP mode.
; <<>> DiG 9.10.6 <<>>
app2.manageboard.jp +norec @
ns1.xtwo.ne.jp +noedns
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 16387
;; flags: qr aa; QUERY: 1, ANSWER: 1, AUTHORITY: 13, ADDITIONAL: 13
;; QUESTION SECTION:
;
app2.manageboard.jp. IN A
;; ANSWER SECTION:
app2.manageboard.jp. 3600 IN CNAME
mb-prod-lb-1387628205.ap-northeast-1.elb.amazonaws.com.
;; AUTHORITY SECTION:
. 518400 IN NS
a.root-servers.net.
. 518400 IN NS
b.root-servers.net.
. 518400 IN NS
c.root-servers.net.
. 518400 IN NS
d.root-servers.net.
. 518400 IN NS
e.root-servers.net.
. 518400 IN NS
f.root-servers.net.
. 518400 IN NS
g.root-servers.net.
. 518400 IN NS
h.root-servers.net.
. 518400 IN NS
i.root-servers.net.
. 518400 IN NS
j.root-servers.net.
. 518400 IN NS
k.root-servers.net.
. 518400 IN NS
l.root-servers.net.
. 518400 IN NS
m.root-servers.net.
;; ADDITIONAL SECTION:
a.root-servers.net. 3600000 IN A 198.41.0.4
b.root-servers.net. 3600000 IN A 192.228.79.201
c.root-servers.net. 3600000 IN A 192.33.4.12
d.root-servers.net. 3600000 IN A 128.8.10.90
e.root-servers.net. 3600000 IN A 192.203.230.10
f.root-servers.net. 3600000 IN A 192.5.5.241
g.root-servers.net. 3600000 IN A 192.112.36.4
h.root-servers.net. 3600000 IN A 128.63.2.53
i.root-servers.net. 3600000 IN A 192.36.148.17
j.root-servers.net. 3600000 IN A 192.58.128.30
k.root-servers.net. 3600000 IN A 193.0.14.129
l.root-servers.net. 3600000 IN A 198.32.64.12
m.root-servers.net. 3600000 IN A 202.12.27.33
;; Query time: 53 msec
;; SERVER: 175.28.4.232#53(175.28.4.232)
;; WHEN: Thu Jul 28 02:20:52 JST 2022
;; MSG SIZE rcvd: 524