Jó. Ettől sem lettem tájékozottabb:
# dig -x 2600:1f18:1f:db00:807b:f1f4:d01b:30b1
; <<>> DiG 9.18.1-1ubuntu1.2-Ubuntu <<>> -x 2600:1f18:1f:db00:807b:f1f4:d01b:30b1
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 35923
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 65494
;; QUESTION SECTION:
;1.b.0.3.b.1.0.d.4.f.1.f.b.7.0.8.0.0.b.d.f.1.0.0.8.1.f.1.0.0.6.2.ip6.arpa. IN PTR
;; AUTHORITY SECTION:
0.8.1.f.1.0.0.6.2.ip6.arpa. 612 IN SOA dns-external-master.amazon.com. root.amazon.com. 101 3600 900 604800 900
;; Query time: 348 msec
;; SERVER: 127.0.0.53#53(127.0.0.53) (UDP)
;; WHEN: Fri Jan 20 09:56:33 CET 2023
;; MSG SIZE rcvd: 172