AWS 公式オンラインセミナー: https://amzn.to/JPWebinar 過去資料: https://amzn.to/JPArchive

1. © 2019, Amazon Web Services, Inc. or its Affiliates. All rights reserved.© 2019, Amazon Web Services, Inc. or its Affiliates. All rights reserved.
AWS Webinar
https://amzn.to/JPWebinar https://amzn.to/JPArchive

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① 吹き出しをクリック
② 質問を入力
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Twitter
#awsblackbelt

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https://aws.amazon.com/jp/blogs/news/webinar-bb-amazon-route-53-resolver-2019/

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AWS Webinar
https://amzn.to/JPWebinar https://amzn.to/JPArchive

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www1
FQDN
www1.sub.example.com.
ip-private-ipv4-address.ec2.internal.

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12. © 2019, Amazon Web Services, Inc. or its Affiliates. All rights reserved.
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(ccTLD: country code TLD(gTLD: generic TLD)
.com
.net
.org
.gov
.jp
.co.jp 日本国内で登記を行っている
会社のみ登録できる

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WHOIS
TLD
TLD
WHOIS
コントロール
パネル

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https://lookup.icann.org/lookup

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16. © 2019, Amazon Web Services, Inc. or its Affiliates. All rights reserved.
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https://docs.aws.amazon.com/ja_jp/Route53/latest/DeveloperGuide/registrar-tld-list.html
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20. © 2019, Amazon Web Services, Inc. or its Affiliates. All rights reserved.© 2019, Amazon Web Services, Inc. or its Affiliates. All rights reserved.
AWS Webinar
https://amzn.to/JPWebinar https://amzn.to/JPArchive

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22. © 2019, Amazon Web Services, Inc. or its Affiliates. All rights reserved.
Glue
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example.com
IP
FQDN
example.com. 3600 IN NS ns1.example.com.
example.com. 3600 IN NS ns2.example.com.
ns1.example.com. 3600 IN A 192.0.2.1
ns2.example.com. 3600 IN A 192.0.2.2

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NAME TTL CLASS TYPE RDATA
www.example.com. 3600 IN A 192.0.2.3
service.example.com. 3600 IN A 192.0.2.11
service.example.com. 3600 IN A 192.0.2.12
example.com. 3600 IN MX 10 mx1.example.com.
example.com. 3600 IN MX 20 mx2.example.com.
※ RR RFC1034, RFC1035)
RRSet
RRSet
RRSet

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No. CLASS Description
1 IN for the Internet
2 CS for the CSNET
3 CH for the CHAOS
4 HS for Hesiod [Dyer 87]
https://en.wikipedia.org/wiki/CSNET
https://en.wikipedia.org/wiki/Chaosnet
https://en.wikipedia.org/wiki/Hesiod_(name_service)

25. © 2019, Amazon Web Services, Inc. or its Affiliates. All rights reserved.
RR TYPE
SOA DNS
NS DNS
A IPv4
AAAA IPv6
CNAME Canonical NAME
PTR IP FQDN
MX FQDN
TXT
SRV FQDN

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example.com
example.com. 3600 IN SOA ns.icann.org. noc.dns.icann.org.
2019101513 7200 3600 1209600 3600

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. 518400 IN NS a.root-servers.net.
---- ----
com. 518400 IN NS a.gtld-servers.net.
---- ----
com. 518400 IN NS a.gtld-servers.net.
example.com. 518400 IN NS ns1.example.com.
---- ----
example.com. 86400IN NS ns1.example.com.
---- ----

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www.example.com. 3600 IN A 192.0.2.3
www.example.com. 3600 IN AAAA 2001:0DB8::1

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info.example.com. 3600 IN CNAME www.example.com.
www.example.com. 3600 IN A 192.0.2.3

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example.com
example.com. 3600 IN SOA -- --
example.com. 3600 IN NS ns.example.com.
ns.example.com. 3600 IN NS 192.0.2.1
www.example.com 3600 IN A 192.0.2.3
example.com. SOA NS
example.com. CNAME Zone
Apex
example.com. 3600 IN CNAME www.example.com.
Amazon Route 53
Zone Apex

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3.2.0.192.in-addr.arpa. 3600 IN PTR www.example.com.
1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0
.0.0.0.0.0.8.b.d.0.1.0.0.2.ip6.arpa.
3600 IN PTR www.example.com.
192.0.2.3 3.2.0.192.in-addr.arpa.
2001:0DB8::1 1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.
0.0.0.8.b.d.0.1.0.0.2.ip6.

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33. © 2019, Amazon Web Services, Inc. or its Affiliates. All rights reserved.
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Cache
example.com
example.com. 3600 IN SOA ns.icann.org. noc.dns.icann.org.
2019101513 7200 3600 1209600 3600
TTL
※ NXDOMAIN
SERVFAIL

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36. © 2019, Amazon Web Services, Inc. or its Affiliates. All rights reserved.© 2019, Amazon Web Services, Inc. or its Affiliates. All rights reserved.
AWS Webinar
https://amzn.to/JPWebinar https://amzn.to/JPArchive

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40. © 2019, Amazon Web Services, Inc. or its Affiliates. All rights reserved.
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Amazon VPC
VPC
Instance
Amazon
Route 53 Resolver
Internet
VPC
DNSDNS
Amazon Route 53
Public Hosted Zone
Amazon Route 53
Private Hosted Zone

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www.example.com. 60 IN CNAME www-a.example.com.
www-a.example.com. 60 IN CNAME xxxx.cloudfront.net.
xxxx.cloudfront.net. 60 IN A 192.0.2.3
www.example.com. 60 IN A 192.0.2.3
CNAME

42. © 2019, Amazon Web Services, Inc. or its Affiliates. All rights reserved.
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ルーティングポリシーの選択 - Amazon Route 53
https://docs.aws.amazon.com/ja_jp/Route53/latest/DeveloperGuide/routing-policy.html

43. © 2019, Amazon Web Services, Inc. or its Affiliates. All rights reserved.
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www.example.com. 60 IN A 192.0.2.13
www.example.com. 60 IN A 192.0.2.11
www.example.com. 60 IN A 192.0.2.12

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50. © 2019, Amazon Web Services, Inc. or its Affiliates. All rights reserved.
1

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55. © 2019, Amazon Web Services, Inc. or its Affiliates. All rights reserved.© 2019, Amazon Web Services, Inc. or its Affiliates. All rights reserved.
AWS Webinar
https://amzn.to/JPWebinar https://amzn.to/JPArchive

56. © 2019, Amazon Web Services, Inc. or its Affiliates. All rights reserved.
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57. © 2019, Amazon Web Services, Inc. or its Affiliates. All rights reserved.
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Amazon Route 53
Hosted Zone
Import

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ns1.example.com. 300 IN A 192.0.2.1
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example.com. 86400 IN NS ns1.example.com.
ns1.example.com. 3600 IN A 192.0.2.1
example.com. 300 IN NS ns1.example.com.

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61. © 2019, Amazon Web Services, Inc. or its Affiliates. All rights reserved.
␣ ␣ ␣ ␣ ␣
FQDN

62. © 2019, Amazon Web Services, Inc. or its Affiliates. All rights reserved.
Header
Question
Answer
$ dig @172.31.0.2 www.example.com
; <<>> DiG 9.9.4-RedHat-9.9.4-74.amzn2.1.2 <<>> www.example.com
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 57031
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
;; QUESTION SECTION:
;www.example.com. IN A
;; ANSWER SECTION:
www.example.com. 60 IN A 192.0.2.3
;; Query time: 758 msec
;; SERVER: 172.31.0.2#53(172.31.0.2)
;; WHEN: 10 14 04:37:26 UTC 2019
;; MSG SIZE rcvd: 65

63. © 2019, Amazon Web Services, Inc. or its Affiliates. All rights reserved.
status
NOERROR
SERVFAIL DNS
REFUSED
NXDOMAIN
flags
qr
aa
ra
tc
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 57031
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1
【参考】初心者のためのDNS運用入門-トラブル事例とその解決のポイント-, 水野貴史, 株式会社日本レジストリサービス, 2014
https://dnsops.jp/event/20140626/dns-beginners-guide2014-mizuno.pdf
DNS
AWS dig

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Public DNS Server List
https://public-dns.info/

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AWS Webinar
https://amzn.to/JPWebinar https://amzn.to/JPArchive

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https://aws.amazon.com/jp/blogs/news/webinar-bb-amazon-route-53-resolver-2019/

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① 吹き出しをクリック
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③ Sendをクリック

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https://amzn.to/JPArchive

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個別技術相談会
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72. © 2019, Amazon Web Services, Inc. or its Affiliates. All rights reserved.© 2019, Amazon Web Services, Inc. or its Affiliates. All rights reserved.
AWS Webinar
https://amzn.to/JPWebinar https://amzn.to/JPArchive