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; <<>> DiG 9.11.3-1ubuntu1.15-Ubuntu <<>> 2400:8902::f03c:91ff:fe69:a454
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: SERVFAIL, id: 37720
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 65494
;; QUESTION SECTION:
;2400:8902::f03c:91ff:fe69:a454.	IN	A

;; Query time: 0 msec
;; SERVER: 127.0.0.53#53(127.0.0.53)
;; WHEN: Sat Feb 19 02:58:37 CST 2022
;; MSG SIZE  rcvd: 59

'

Host 4.5.4.a.9.6.e.f.f.f.1.9.c.3.0.f.0.0.0.0.0.0.0.0.2.0.9.8.0.0.4.2.ip6.arpa not found: 3(NXDOMAIN)

Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 4.5.4.a.9.6.e.f.f.f.1.9.c.3.0.f.0.0.0.0.0.0.0.0.2.0.9.8.0.0.4.2.ip6.arpa: NXDOMAIN