b

; <<>> DiG 9.8.2rc1-RedHat-9.8.2-0.68.rc1.el6_10.3 <<>> 240e:3a0:5802:3f19:2e0:4c1c:653b:1e4a
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 17070
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;240e:3a0:5802:3f19:2e0:4c1c:653b:1e4a. IN A

;; AUTHORITY SECTION:
.			10800	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2020032300 1800 900 604800 86400

;; Query time: 1 msec
;; SERVER: 100.100.2.138#53(100.100.2.138)
;; WHEN: Mon Mar 23 20:56:13 2020
;; MSG SIZE  rcvd: 130

Host a.4.e.1.b.3.5.6.c.1.c.4.0.e.2.0.9.1.f.3.2.0.8.5.0.a.3.0.e.0.4.2.ip6.arpa not found: 3(NXDOMAIN)

Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find a.4.e.1.b.3.5.6.c.1.c.4.0.e.2.0.9.1.f.3.2.0.8.5.0.a.3.0.e.0.4.2.ip6.arpa: NXDOMAIN