DNSラウンドロビンしてる？？？

;; ANSWER SECTION:

bsky.social. 60 IN A 174.129.185.146

bsky.social. 60 IN A 23.22.64.134

bsky.social. 60 IN A 54.225.188.68

bsky.social. 21600 IN NS ns-1308.awsdns-35.org.

bsky.social. 21600 IN NS ns-1657.awsdns-15.co.uk.

bsky.social. 21600 IN NS ns-360.awsdns-45.com.

bsky.social. 21600 IN NS ns-544.awsdns-04.net.

bsky.social. 900 IN SOA ns-360.awsdns-45.com. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400