$ dig +trace aurora-postgres105.cluster-********.ap-northeast-1.rds.amazonaws.com
; <<>> DiG 9.8.3-P1 <<>> +trace aurora-postgres105.cluster-********.ap-northeast-1.rds.amazonaws.com
;; global options: +cmd
. 124164 IN NS i.root-servers.net.
. 124164 IN NS a.root-servers.net.
. 124164 IN NS j.root-servers.net.
. 124164 IN NS k.root-servers.net.
. 124164 IN NS l.root-servers.net.
. 124164 IN NS m.root-servers.net.
. 124164 IN NS b.root-servers.net.
. 124164 IN NS c.root-servers.net.
. 124164 IN NS d.root-servers.net.
. 124164 IN NS e.root-servers.net.
. 124164 IN NS f.root-servers.net.
. 124164 IN NS g.root-servers.net.
. 124164 IN NS h.root-servers.net.
;; Received 508 bytes from 192.168.10.1#53(192.168.10.1) in 131 ms
com. 172800 IN NS a.gtld-servers.net.
com. 172800 IN NS e.gtld-servers.net.
com. 172800 IN NS j.gtld-servers.net.
com. 172800 IN NS f.gtld-servers.net.
com. 172800 IN NS i.gtld-servers.net.
com. 172800 IN NS l.gtld-servers.net.
com. 172800 IN NS b.gtld-servers.net.
com. 172800 IN NS h.gtld-servers.net.
com. 172800 IN NS g.gtld-servers.net.
com. 172800 IN NS k.gtld-servers.net.
com. 172800 IN NS m.gtld-servers.net.
com. 172800 IN NS c.gtld-servers.net.
com. 172800 IN NS d.gtld-servers.net.
;; Received 506 bytes from 192.112.36.4#53(192.112.36.4) in 37 ms
amazonaws.com. 172800 IN NS u1.amazonaws.com.
amazonaws.com. 172800 IN NS u2.amazonaws.com.
amazonaws.com. 172800 IN NS r1.amazonaws.com.
amazonaws.com. 172800 IN NS r2.amazonaws.com.
;; Received 334 bytes from 192.33.14.30#53(192.33.14.30) in 120 ms
ap-northeast-1.rds.amazonaws.com. 300 IN NS ns-158.awsdns-19.com.
ap-northeast-1.rds.amazonaws.com. 300 IN NS ns-1396.awsdns-46.org.
ap-northeast-1.rds.amazonaws.com. 300 IN NS ns-978.awsdns-58.net.
ap-northeast-1.rds.amazonaws.com. 300 IN NS ns-1592.awsdns-07.co.uk.
;; Received 227 bytes from 156.154.64.10#53(156.154.64.10) in 15 ms
aurora-postgres105.cluster-********.ap-northeast-1.rds.amazonaws.com. 5 IN CNAME aurora-postgres105-a.********.ap-northeast-1.rds.amazonaws.com.
aurora-postgres105-a.********.ap-northeast-1.rds.amazonaws.com. 5 IN CNAME ec2-**-***-109-247.ap-northeast-1.compute.amazonaws.com.
ap-northeast-1.rds.amazonaws.com. 1800 IN NS ns-1396.awsdns-46.org.
ap-northeast-1.rds.amazonaws.com. 1800 IN NS ns-158.awsdns-19.com.
ap-northeast-1.rds.amazonaws.com. 1800 IN NS ns-1592.awsdns-07.co.uk.
ap-northeast-1.rds.amazonaws.com. 1800 IN NS ns-978.awsdns-58.net.
;; Received 331 bytes from 205.251.197.116#53(205.251.197.116) in 8 ms
$ dig +trace aurora-postgres105.cluster-ro-********.ap-northeast-1.rds.amazonaws.com
; <<>> DiG 9.8.3-P1 <<>> +trace aurora-postgres105.cluster-ro-********.ap-northeast-1.rds.amazonaws.com
;; global options: +cmd
. 124045 IN NS e.root-servers.net.
. 124045 IN NS f.root-servers.net.
. 124045 IN NS g.root-servers.net.
. 124045 IN NS h.root-servers.net.
. 124045 IN NS i.root-servers.net.
. 124045 IN NS j.root-servers.net.
. 124045 IN NS k.root-servers.net.
. 124045 IN NS l.root-servers.net.
. 124045 IN NS m.root-servers.net.
. 124045 IN NS a.root-servers.net.
. 124045 IN NS b.root-servers.net.
. 124045 IN NS c.root-servers.net.
. 124045 IN NS d.root-servers.net.
;; Received 508 bytes from 192.168.10.1#53(192.168.10.1) in 22 ms
;; Truncated, retrying in TCP mode.
com. 172800 IN NS l.gtld-servers.net.
com. 172800 IN NS b.gtld-servers.net.
com. 172800 IN NS c.gtld-servers.net.
com. 172800 IN NS d.gtld-servers.net.
com. 172800 IN NS e.gtld-servers.net.
com. 172800 IN NS f.gtld-servers.net.
com. 172800 IN NS g.gtld-servers.net.
com. 172800 IN NS a.gtld-servers.net.
com. 172800 IN NS h.gtld-servers.net.
com. 172800 IN NS i.gtld-servers.net.
com. 172800 IN NS j.gtld-servers.net.
com. 172800 IN NS k.gtld-servers.net.
com. 172800 IN NS m.gtld-servers.net.
;; Received 889 bytes from 192.203.230.10#53(192.203.230.10) in 16 ms
amazonaws.com. 172800 IN NS u1.amazonaws.com.
amazonaws.com. 172800 IN NS u2.amazonaws.com.
amazonaws.com. 172800 IN NS r1.amazonaws.com.
amazonaws.com. 172800 IN NS r2.amazonaws.com.
;; Received 337 bytes from 192.52.178.30#53(192.52.178.30) in 177 ms
ap-northeast-1.rds.amazonaws.com. 300 IN NS ns-158.awsdns-19.com.
ap-northeast-1.rds.amazonaws.com. 300 IN NS ns-1396.awsdns-46.org.
ap-northeast-1.rds.amazonaws.com. 300 IN NS ns-978.awsdns-58.net.
ap-northeast-1.rds.amazonaws.com. 300 IN NS ns-1592.awsdns-07.co.uk.
;; Received 230 bytes from 156.154.65.10#53(156.154.65.10) in 16 ms
aurora-postgres105.cluster-ro-********.ap-northeast-1.rds.amazonaws.com. 1 IN CNAME aurora-postgres105-c.********.ap-northeast-1.rds.amazonaws.com.
aurora-postgres105-c.********.ap-northeast-1.rds.amazonaws.com. 5 IN CNAME ec2-**-***-100-225.ap-northeast-1.compute.amazonaws.com.
ap-northeast-1.rds.amazonaws.com. 1800 IN NS ns-1396.awsdns-46.org.
ap-northeast-1.rds.amazonaws.com. 1800 IN NS ns-158.awsdns-19.com.
ap-northeast-1.rds.amazonaws.com. 1800 IN NS ns-1592.awsdns-07.co.uk.
ap-northeast-1.rds.amazonaws.com. 1800 IN NS ns-978.awsdns-58.net.
;; Received 334 bytes from 205.251.195.210#53(205.251.195.210) in 101 ms
$ dig +trace aurora-postgres105.cluster-ro-********.ap-northeast-1.rds.amazonaws.com
; <<>> DiG 9.8.3-P1 <<>> +trace aurora-postgres105.cluster-ro-********.ap-northeast-1.rds.amazonaws.com
;; global options: +cmd
. 123850 IN NS f.root-servers.net.
. 123850 IN NS g.root-servers.net.
. 123850 IN NS h.root-servers.net.
. 123850 IN NS i.root-servers.net.
. 123850 IN NS j.root-servers.net.
. 123850 IN NS k.root-servers.net.
. 123850 IN NS l.root-servers.net.
. 123850 IN NS m.root-servers.net.
. 123850 IN NS a.root-servers.net.
. 123850 IN NS b.root-servers.net.
. 123850 IN NS c.root-servers.net.
. 123850 IN NS d.root-servers.net.
. 123850 IN NS e.root-servers.net.
;; Received 508 bytes from 192.168.10.1#53(192.168.10.1) in 43 ms
com. 172800 IN NS k.gtld-servers.net.
com. 172800 IN NS d.gtld-servers.net.
com. 172800 IN NS l.gtld-servers.net.
com. 172800 IN NS f.gtld-servers.net.
com. 172800 IN NS c.gtld-servers.net.
com. 172800 IN NS g.gtld-servers.net.
com. 172800 IN NS b.gtld-servers.net.
com. 172800 IN NS h.gtld-servers.net.
com. 172800 IN NS i.gtld-servers.net.
com. 172800 IN NS e.gtld-servers.net.
com. 172800 IN NS a.gtld-servers.net.
com. 172800 IN NS j.gtld-servers.net.
com. 172800 IN NS m.gtld-servers.net.
;; Received 509 bytes from 192.33.4.12#53(192.33.4.12) in 121 ms
amazonaws.com. 172800 IN NS u1.amazonaws.com.
amazonaws.com. 172800 IN NS u2.amazonaws.com.
amazonaws.com. 172800 IN NS r1.amazonaws.com.
amazonaws.com. 172800 IN NS r2.amazonaws.com.
;; Received 337 bytes from 192.43.172.30#53(192.43.172.30) in 120 ms
ap-northeast-1.rds.amazonaws.com. 300 IN NS ns-158.awsdns-19.com.
ap-northeast-1.rds.amazonaws.com. 300 IN NS ns-1396.awsdns-46.org.
ap-northeast-1.rds.amazonaws.com. 300 IN NS ns-978.awsdns-58.net.
ap-northeast-1.rds.amazonaws.com. 300 IN NS ns-1592.awsdns-07.co.uk.
;; Received 230 bytes from 156.154.64.10#53(156.154.64.10) in 21 ms
aurora-postgres105.cluster-ro-********.ap-northeast-1.rds.amazonaws.com. 1 IN CNAME aurora-postgres105-a-ap-northeast-1a.********.ap-northeast-1.rds.amazonaws.com.
aurora-postgres105-a-ap-northeast-1a.********.ap-northeast-1.rds.amazonaws.com. 5 IN CNAME ec2-54-65-33-213.ap-northeast-1.compute.amazonaws.com.
ap-northeast-1.rds.amazonaws.com. 1800 IN NS ns-1396.awsdns-46.org.
ap-northeast-1.rds.amazonaws.com. 1800 IN NS ns-158.awsdns-19.com.
ap-northeast-1.rds.amazonaws.com. 1800 IN NS ns-1592.awsdns-07.co.uk.
ap-northeast-1.rds.amazonaws.com. 1800 IN NS ns-978.awsdns-58.net.
;; Received 348 bytes from 205.251.192.158#53(205.251.192.158) in 119 ms
$ dig +trace aurora-postgres105-a.********.ap-northeast-1.rds.amazonaws.com
; <<>> DiG 9.8.3-P1 <<>> +trace aurora-postgres105-a.********.ap-northeast-1.rds.amazonaws.com
;; global options: +cmd
. 122728 IN NS j.root-servers.net.
. 122728 IN NS k.root-servers.net.
. 122728 IN NS l.root-servers.net.
. 122728 IN NS m.root-servers.net.
. 122728 IN NS b.root-servers.net.
. 122728 IN NS c.root-servers.net.
. 122728 IN NS d.root-servers.net.
. 122728 IN NS e.root-servers.net.
. 122728 IN NS f.root-servers.net.
. 122728 IN NS g.root-servers.net.
. 122728 IN NS h.root-servers.net.
. 122728 IN NS i.root-servers.net.
. 122728 IN NS a.root-servers.net.
;; Received 508 bytes from 192.168.10.1#53(192.168.10.1) in 19 ms
;; Truncated, retrying in TCP mode.
com. 172800 IN NS l.gtld-servers.net.
com. 172800 IN NS b.gtld-servers.net.
com. 172800 IN NS c.gtld-servers.net.
com. 172800 IN NS d.gtld-servers.net.
com. 172800 IN NS e.gtld-servers.net.
com. 172800 IN NS f.gtld-servers.net.
com. 172800 IN NS g.gtld-servers.net.
com. 172800 IN NS a.gtld-servers.net.
com. 172800 IN NS h.gtld-servers.net.
com. 172800 IN NS i.gtld-servers.net.
com. 172800 IN NS j.gtld-servers.net.
com. 172800 IN NS k.gtld-servers.net.
com. 172800 IN NS m.gtld-servers.net.
;; Received 880 bytes from 192.5.5.241#53(192.5.5.241) in 28 ms
amazonaws.com. 172800 IN NS u1.amazonaws.com.
amazonaws.com. 172800 IN NS u2.amazonaws.com.
amazonaws.com. 172800 IN NS r1.amazonaws.com.
amazonaws.com. 172800 IN NS r2.amazonaws.com.
;; Received 328 bytes from 192.55.83.30#53(192.55.83.30) in 188 ms
ap-northeast-1.rds.amazonaws.com. 300 IN NS ns-1396.awsdns-46.org.
ap-northeast-1.rds.amazonaws.com. 300 IN NS ns-158.awsdns-19.com.
ap-northeast-1.rds.amazonaws.com. 300 IN NS ns-1592.awsdns-07.co.uk.
ap-northeast-1.rds.amazonaws.com. 300 IN NS ns-978.awsdns-58.net.
;; Received 221 bytes from 205.251.195.199#53(205.251.195.199) in 100 ms
aurora-postgres105-a.********.ap-northeast-1.rds.amazonaws.com. 5 IN CNAME ec2-**-***-109-247.ap-northeast-1.compute.amazonaws.com.
ap-northeast-1.rds.amazonaws.com. 1800 IN NS ns-1396.awsdns-46.org.
ap-northeast-1.rds.amazonaws.com. 1800 IN NS ns-158.awsdns-19.com.
ap-northeast-1.rds.amazonaws.com. 1800 IN NS ns-1592.awsdns-07.co.uk.
ap-northeast-1.rds.amazonaws.com. 1800 IN NS ns-978.awsdns-58.net.
;; Received 277 bytes from 205.251.195.210#53(205.251.195.210) in 96 ms