SOA, NS, MX あり。
- www A (CNAME) あり。
www.designersandgeeks.com. 3600 IN CNAME sleepy-elder-o0zejuqp58g615cm44xi86cf.herokudns.com.
真正のNXDOMAIN 返答の不良。
1. whois
2. history
$ dig designersandgeeks.com @ns1.dnsimple.com
; <<>> DiG 9.11.3-1ubuntu1.14-Ubuntu <<>> designersandgeeks.com @ns1.dnsimple.com
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 28057
;; flags: qr rd ad; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 1
;; WARNING: recursion requested but not available
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 1232
; NSID: 33 38 32 6d 32 38 ("382m28")
;; QUESTION SECTION:
;designersandgeeks.com. IN A
;; Query time: 23 msec
;; SERVER: 162.159.24.4#53(162.159.24.4)
;; WHEN: Fri Sep 24 09:56:01 JST 2021
;; MSG SIZE rcvd: 60