b

b'
; <<>> DiG 9.11.3-1ubuntu1.15-Ubuntu <<>> 2600:141b:9000:3a7::3f3b
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: SERVFAIL, id: 28365
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 65494
;; QUESTION SECTION:
;2600:141b:9000:3a7::3f3b.	IN	A

;; Query time: 0 msec
;; SERVER: 127.0.0.53#53(127.0.0.53)
;; WHEN: Sat Feb 19 03:01:31 CST 2022
;; MSG SIZE  rcvd: 53

'

b.3.f.3.0.0.0.0.0.0.0.0.0.0.0.0.7.a.3.0.0.0.0.9.b.1.4.1.0.0.6.2.ip6.arpa domain name pointer g2600-141b-9000-03a7-0000-0000-0000-3f3b.deploy.static.akamaitechnologies.com.

Server:		183.60.83.19
Address:	183.60.83.19#53

Non-authoritative answer:
b.3.f.3.0.0.0.0.0.0.0.0.0.0.0.0.7.a.3.0.0.0.0.9.b.1.4.1.0.0.6.2.ip6.arpa	name = g2600-141b-9000-03a7-0000-0000-0000-3f3b.deploy.static.akamaitechnologies.com.

Authoritative answers can be found from: