I cannot resolve a certain URL(https://atomtech.in) when using Cloudflare DNS(1.1.1.1), particularly from my location. It is accessible using Cloudflare DNS from other locations.
[A@Pixel ~]$ dig @1.1.1.1 atomtech.in
; <<>> DiG 9.16.10 <<>> @1.1.1.1 atomtech.in
; (1 server found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: SERVFAIL, id: 63002
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 1
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 1232
; EDE: 22 (No Reachable Authority)
;; QUESTION SECTION:
;atomtech.in. IN A
;; Query time: 1189 msec
;; SERVER: 1.1.1.1#53(1.1.1.1)
;; WHEN: Thu Jan 21 14:42:38 IST 2021
;; MSG SIZE rcvd: 46
[A@Pixel ~]$ dig @1.0.0.1 atomtech.in
; <<>> DiG 9.16.10 <<>> @1.0.0.1 atomtech.in
; (1 server found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: SERVFAIL, id: 5386
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 1
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 1232
; EDE: 22 (No Reachable Authority)
;; QUESTION SECTION:
;atomtech.in. IN A
;; Query time: 1109 msec
;; SERVER: 1.0.0.1#53(1.0.0.1)
;; WHEN: Thu Jan 21 14:43:21 IST 2021
;; MSG SIZE rcvd: 46
[A@Pixel ~]$ dig @8.8.8.8 atomtech.in
; <<>> DiG 9.16.10 <<>> @8.8.8.8 atomtech.in
; (1 server found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 62119
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 512
;; QUESTION SECTION:
;atomtech.in. IN A
;; ANSWER SECTION:
atomtech.in. 3317 IN A 13.235.5.117
;; Query time: 6 msec
;; SERVER: 8.8.8.8#53(8.8.8.8)
;; WHEN: Thu Jan 21 14:43:37 IST 2021
;; MSG SIZE rcvd: 56
[A@Pixel ~]$ dig +short CHAOS TXT id.server @1.1.1.1
"SIN"
[A@Pixel ~]$ dig +short CHAOS TXT id.server @1.0.0.1
"BOM"
Here is the result from DNSViz: atomtech.in | DNSViz
I have also opened a support ticket. The id is: 2069070.