15:37:19.818449 IP (tos 0x0, ttl 64, id 59985, offset 0, flags [DF], proto UDP (17), length 57)
    172.0.0.10.58058 > 172.0.0.254.53: 29364+ A? example.com. (29)
15:37:19.818535 IP (tos 0x0, ttl 64, id 59986, offset 0, flags [DF], proto UDP (17), length 57)
    172.0.0.10.58058 > 172.0.0.254.53: 4753+ AAAA? example.com. (29)
15:37:19.819683 IP (tos 0x0, ttl 64, id 11084, offset 0, flags [none], proto UDP (17), length 107)
    172.0.0.254.53 > 172.0.0.10.58058: 29364* 1/1/1 example.com. A 192.168.20.21 (79)
15:37:19.820157 IP (tos 0x0, ttl 64, id 11085, offset 0, flags [none], proto UDP (17), length 108)
    172.0.0.254.53 > 172.0.0.10.58058: 4753* 0/1/0 (80)
15:37:19.821217 IP (tos 0x0, ttl 64, id 59987, offset 0, flags [DF], proto UDP (17), length 72)
    172.0.0.10.43610 > 172.0.0.254.53: 35399+ PTR? 21.20.168.192.in-addr.arpa. (44)
15:37:19.821708 IP (tos 0x0, ttl 64, id 11086, offset 0, flags [none], proto UDP (17), length 173)
    172.0.0.254.53 > 172.0.0.10.43610: 35399* 1/2/2 21.20.168.192.in-addr.arpa. PTR example.com. (145)
15:37:19.856761 IP (tos 0x0, ttl 64, id 59988, offset 0, flags [DF], proto UDP (17), length 72)
    172.0.0.10.58127 > 172.0.0.254.53: 40570+ SRV? _kerberos._tcp.example.com. (44)
15:37:19.857789 IP (tos 0x0, ttl 64, id 11087, offset 0, flags [none], proto UDP (17), length 153)
    172.0.0.254.53 > 172.0.0.10.58127: 40570* 1/1/2 _kerberos._tcp.example.com. SRV example.com.:88 0 100 (125)