1. watchA
cloudflare DNS activeの状態で、委譲先をゾーン保持サーバーではないNSに向けてもらった。-- ToshinoriMaeno 2020-03-02 23:42:09
- この状態で、isaac or jackにゾーンを作るとなにが起きるか。
片側だけでは、乗取れないようだ。(ひと安心) isaacでゾーン作成
2. Replace with Cloudflare's nameservers: Nameserver 1 isaac.ns.cloudflare.com Nameserver 2 lia.ns.cloudflare.com
2. whois
Domain Information: [ドメイン情報] [Domain Name] BRAU.JP [登録者名] 鈴木常彦 [Registrant] Tsunehiko Suzuki [Name Server] isaac.ns.cloudflare.com [Name Server] jack.ns.cloudflare.com [Signing Key] [登録年月日] 2010/04/26 [有効期限] 2020/04/30 [状態] Active [最終更新] 2020/03/02 22:59:32 (JST) Contact Information: [公開連絡窓口] [名前] 日本レジストリサービス JPDirect [Name] Japan Registry Services JPDirect [Email] public-contact@jpdirect.jp [Web Page] [郵便番号] [住所] [Postal Address] [電話番号] 03-5215-8456 [FAX番号]
$ dig -t a www.brau.jp @sri.ns.cloudflare.com ;; ANSWER SECTION: www.brau.jp. 300 IN A 104.24.100.203 www.brau.jp. 300 IN A 104.24.101.203
3. history
$ dig -t ns brau.jp @a.dns.jp ; <<>> DiG 9.11.3-1ubuntu1.11-Ubuntu <<>> -t ns brau.jp @a.dns.jp ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 15477 ;; flags: qr rd; QUERY: 1, ANSWER: 0, AUTHORITY: 2, ADDITIONAL: 1 ;; WARNING: recursion requested but not available ;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags:; udp: 4096 ; COOKIE: 7f24af8ffbcf5f7d73048c175e5d98bf034395e2a6fc14e4 (good) ;; QUESTION SECTION: ;brau.jp. IN NS ;; AUTHORITY SECTION: brau.jp. 86400 IN NS jack.ns.cloudflare.com. brau.jp. 86400 IN NS isaac.ns.cloudflare.com. ;; Query time: 7 msec ;; SERVER: 203.119.1.1#53(203.119.1.1) ;; WHEN: Tue Mar 03 08:37:35 JST 2020 ;; MSG SIZE rcvd: 120 tmaeno@tm:~$ dig -t ns brau.jp @jack.ns.cloudflare.com ; <<>> DiG 9.11.3-1ubuntu1.11-Ubuntu <<>> -t ns brau.jp @jack.ns.cloudflare.com ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 49607 ;; flags: qr aa rd; QUERY: 1, ANSWER: 2, AUTHORITY: 0, ADDITIONAL: 1 ;; WARNING: recursion requested but not available ;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags:; udp: 512 ;; QUESTION SECTION: ;brau.jp. IN NS ;; ANSWER SECTION: brau.jp. 86400 IN NS rachel.ns.cloudflare.com. brau.jp. 86400 IN NS sri.ns.cloudflare.com. ;; Query time: 5 msec ;; SERVER: 173.245.59.121#53(173.245.59.121) ;; WHEN: Tue Mar 03 08:37:59 JST 2020 ;; MSG SIZE rcvd: 92