For the last few weeks, my router wasn’t able to reach cloud2.mikrotik.com via IPv6, which caused /ip cloud not able to generate a AAAA record.
I tested using multiple hosts globally and does not seems to indicate a local ISP issue.
$ ping4 cloud2.mikrotik.com
PING cloud2.mikrotik.com (159.148.172.251) 56(84) bytes of data.
64 bytes from cloud2.mikrotik.com (159.148.172.251): icmp_seq=1 ttl=46 time=276 ms
64 bytes from cloud2.mikrotik.com (159.148.172.251): icmp_seq=2 ttl=46 time=276 ms
64 bytes from cloud2.mikrotik.com (159.148.172.251): icmp_seq=3 ttl=46 time=276 ms
^C
--- cloud2.mikrotik.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 48ms
rtt min/avg/max/mdev = 276.060/276.108/276.175/0.431 ms
$ ping6 cloud2.mikrotik.com
PING cloud2.mikrotik.com(cloud2.mikrotik.com (2a02:610:7501:1000::201)) 56 data bytes
^C
--- cloud2.mikrotik.com ping statistics ---
13 packets transmitted, 0 received, 100% packet loss, time 277ms