(1) www.jprs.jp.
(2) www.dnssec-failed.org

$ sudo tcpdump -n -i en0 host 8.8.8.8
tcpdump: verbose output suppressed, use -v or -vv for full protocol decode
listening on en0, link-type EN10MB (Ethernet), capture size 262144 bytes
10:32:51.252243 IP 192.168.43.24.58407 > 8.8.8.8.53: 62322+% [1au] AAAA? jprs.jp. (36)
10:32:51.485107 IP 8.8.8.8.53 > 192.168.43.24.58407: 62322 2/0/1 AAAA 2001:218:3001:7::b0, RRSIG (231)
10:32:51.485350 IP 192.168.43.24.39050 > 8.8.8.8.53: 13866+% [1au] DS? jprs.jp. (36)
10:32:51.591494 IP 8.8.8.8.53 > 192.168.43.24.39050: 13866 3/0/1 DS, DS, RRSIG (282)
10:32:51.591969 IP 192.168.43.24.41843 > 8.8.8.8.53: 57532+% [1au] DNSKEY? jprs.jp. (36)
10:32:51.740558 IP 8.8.8.8.53 > 192.168.43.24.41843: 57532 3/0/1 DNSKEY, DNSKEY, RRSIG (755)
10:33:53.983542 IP 192.168.43.24.23153 > 8.8.8.8.53: 43533+% [1au] A? gist.github.com. (44)
10:33:54.104491 IP 8.8.8.8.53 > 192.168.43.24.23153: 43533 2/0/1 A 192.30.253.118, A 192.30.253.119 (76)
10:33:54.104745 IP 192.168.43.24.43051 > 8.8.8.8.53: 1959+% [1au] DS? github.com. (39)
10:33:54.282668 IP 8.8.8.8.53 > 192.168.43.24.43051: 1959 0/6/1 (760)

...

10:35:39.457931 IP 192.168.43.24.52689 > 8.8.8.8.53: 63742+% [1au] A? www.dnssec-failed.org. (50)
10:35:39.687395 IP 192.168.43.24.11122 > 8.8.8.8.53: 28324+% [1au] A? www.dnssec-failed.org. (50)
10:35:39.917490 IP 192.168.43.24.29602 > 8.8.8.8.53: 382+% [1au] A? www.dnssec-failed.org. (50)
10:35:39.937971 IP 8.8.8.8.53 > 192.168.43.24.52689: 63742 3/0/1 A 69.252.193.191, A 68.87.109.242, RRSIG (259)
10:35:39.938061 IP 192.168.43.24 > 8.8.8.8: ICMP 192.168.43.24 udp port 52689 unreachable, length 36
10:35:40.137165 IP 8.8.8.8.53 > 192.168.43.24.11122: 28324 3/0/1 A 68.87.109.242, A 69.252.193.191, RRSIG (259)
10:35:40.137242 IP 192.168.43.24 > 8.8.8.8: ICMP 192.168.43.24 udp port 11122 unreachable, length 36
10:35:40.171094 IP 8.8.8.8.53 > 192.168.43.24.29602: 382 3/0/1 A 68.87.109.242, A 69.252.193.191, RRSIG (259)
10:35:40.171367 IP 192.168.43.24.27029 > 8.8.8.8.53: 30718+% [1au] DS? dnssec-failed.org. (46)
10:35:40.297767 IP 8.8.8.8.53 > 192.168.43.24.27029: 30718 3/0/1 DS, DS, RRSIG (293)
10:35:40.298079 IP 192.168.43.24.50802 > 8.8.8.8.53: 58020+% [1au] DNSKEY? dnssec-failed.org. (46)
10:35:40.540466 IP 8.8.8.8.53 > 192.168.43.24.50802: 58020 4/0/1 DNSKEY, DNSKEY, RRSIG, RRSIG (952)
10:35:40.540765 IP 192.168.43.24.43681 > 8.8.8.8.53: 10437+% [1au] DNSKEY? dnssec-failed.org. (46)
10:35:40.837601 IP 8.8.8.8.53 > 192.168.43.24.43681: 10437 4/0/1 DNSKEY, DNSKEY, RRSIG, RRSIG (952)
10:35:40.837861 IP 192.168.43.24.39669 > 8.8.8.8.53: 50999+% [1au] DNSKEY? dnssec-failed.org. (46)
10:35:40.973971 IP 8.8.8.8.53 > 192.168.43.24.39669: 50999 4/0/1 DNSKEY, DNSKEY, RRSIG, RRSIG (952)
10:35:40.974280 IP 192.168.43.24.46384 > 8.8.8.8.53: 35193+% [1au] DNSKEY? dnssec-failed.org. (46)
10:35:41.234118 IP 8.8.8.8.53 > 192.168.43.24.46384: 35193 4/0/1 DNSKEY, DNSKEY, RRSIG, RRSIG (952)
10:35:41.234311 IP 192.168.43.24.59121 > 8.8.8.8.53: 52022+% [1au] DNSKEY? dnssec-failed.org. (46)
10:35:41.519452 IP 8.8.8.8.53 > 192.168.43.24.59121: 52022 4/0/1 DNSKEY, DNSKEY, RRSIG, RRSIG (952)
10:35:41.519763 IP 192.168.43.24.29837 > 8.8.8.8.53: 33052+% [1au] DNSKEY? dnssec-failed.org. (46)
10:35:41.621564 IP 8.8.8.8.53 > 192.168.43.24.29837: 33052 4/0/1 DNSKEY, DNSKEY, RRSIG, RRSIG (952)