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$ dig -t ns census.gov @a.gov-servers.net
; <<>> DiG 9.16.1-Ubuntu <<>> -t ns census.gov @a.gov-servers.net
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 4264
;; flags: qr rd; QUERY: 1, ANSWER: 0, AUTHORITY: 10, ADDITIONAL: 9
;; WARNING: recursion requested but not available
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
;; QUESTION SECTION:
;census.gov. IN NS
;; AUTHORITY SECTION:
census.gov. 86400 IN NS ns-b1e.census.gov.
census.gov. 86400 IN NS ns-a1e.census.gov.
census.gov. 86400 IN NS a1-22.akam.net.
census.gov. 86400 IN NS a10-65.akam.net.
census.gov. 86400 IN NS a16-67.akam.net.
census.gov. 86400 IN NS ns-b2e.census.gov.
census.gov. 86400 IN NS a3-65.akam.net.
census.gov. 86400 IN NS ns-a2e.census.gov.
census.gov. 86400 IN NS a28-64.akam.net.
census.gov. 86400 IN NS a11-66.akam.net.
;; ADDITIONAL SECTION:
ns-b1e.census.gov. 86400 IN A 148.129.32.22
ns-b1e.census.gov. 86400 IN AAAA 2610:20:2101:16::16:0
ns-a1e.census.gov. 86400 IN A 148.129.33.22
ns-a1e.census.gov. 86400 IN AAAA 2610:20:2111:16::16:0
ns-b2e.census.gov. 86400 IN A 148.129.32.23
ns-b2e.census.gov. 86400 IN AAAA 2610:20:2101:16::17:0
ns-a2e.census.gov. 86400 IN A 148.129.33.23
ns-a2e.census.gov. 86400 IN AAAA 2610:20:2111:16::17:0
;; Query time: 119 msec
;; SERVER: 69.36.157.30#53(69.36.157.30)
;; WHEN: 水 10月 21 07:51:24 JST 2020
;; MSG SIZE rcvd: 431
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