A QTYPE to request all available addresses at once. Based on the TYPE65535 functionality implemented on Cloudflare's authoritative DNS servers.
[monster:~]% dig @barbara.ns.cloudflare.com strandkip.nl TYPE65535 +dnssec +multiline +norec
; <<>> DiG 9.18.19 <<>> @barbara.ns.cloudflare.com strandkip.nl TYPE65535 +dnssec +multiline +norec
; (6 servers found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 32279
;; flags: qr aa; QUERY: 1, ANSWER: 6, AUTHORITY: 0, ADDITIONAL: 1
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags: do; udp: 1232
;; QUESTION SECTION:
;strandkip.nl. IN TYPE65535
;; ANSWER SECTION:
strandkip.nl. 300 IN A 104.18.6.53
strandkip.nl. 300 IN A 104.18.7.53
strandkip.nl. 300 IN AAAA 2606:4700::6812:635
strandkip.nl. 300 IN AAAA 2606:4700::6812:735
strandkip.nl. 300 IN RRSIG A 13 2 300 (
20231011122058 20231009102058 34505 strandkip.nl.
zHvYVrTWFX+If6UYy7tQYGxZAr6IkIdUHts27PAMI2e4
CHF1HnR2sehtBHVz8oJdt1R6wU6cWoICbnwVlcJ+wA== )
strandkip.nl. 300 IN RRSIG AAAA 13 2 300 (
20231011122058 20231009102058 34505 strandkip.nl.
AGQtxW5iCzVIgMEtndTEIMDaxPR7kfVOTxApO+HZHdnk
saMhbiIqLrbBGO4VNXzFP5vEEwmvYhgukAdRwJW9nA== )
;; Query time: 3 msec
;; SERVER: 2606:4700:50::adf5:3af8#53(barbara.ns.cloudflare.com) (UDP)
;; WHEN: Tue Oct 10 11:20:58 UTC 2023
;; MSG SIZE rcvd: 345
[monster:~]%