Works for me: ;; QUESTION SECTION: ;2.pool.ntp.org. IN AAAA ;; ANSWER SECTION: 2.pool.ntp.org. 110 IN AAAA 2001:19f0:1590:5123:1057:a11:da7a:1 2.pool.ntp.org. 110 IN AAAA 2607:fcd0:0:a::2 2.pool.ntp.org. 110 IN AAAA 2604:2880::40a8:6a0f 2.pool.ntp.org. 110 IN AAAA 2001:4f8:fff7:1::17