ルートゾーンKSK/日本では/dns-oarc.net/8.8.8.8について、ここに記述してください。

$ dig -t txt rs.dns-oarc.net @8.8.8.8
{{{
; <<>> DiG 9.11.1 <<>> -t txt rs.dns-oarc.net @8.8.8.8
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1142
;; flags: qr rd ra; QUERY: 1, ANSWER: 6, AUTHORITY: 0, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 512
;; QUESTION SECTION:
;rs.dns-oarc.net.		IN	TXT

;; ANSWER SECTION:
rs.dns-oarc.net.	7	IN	CNAME	rst.x1008.rs.dns-oarc.net.
rst.x1008.rs.dns-oarc.net. 6	IN	CNAME	rst.x1968.x1008.rs.dns-oarc.net.
rst.x1968.x1008.rs.dns-oarc.net. 5 IN	CNAME	rst.x2454.x1968.x1008.rs.dns-oarc.net.
rst.x2454.x1968.x1008.rs.dns-oarc.net. 4 IN TXT	"173.194.171.9 DNS reply size limit is at least 2454"
rst.x2454.x1968.x1008.rs.dns-oarc.net. 4 IN TXT	"173.194.171.9 sent EDNS buffer size 4096"
rst.x2454.x1968.x1008.rs.dns-oarc.net. 4 IN TXT	"Tested at 2017-07-26 11:38:30 UTC"

;; Query time: 41 msec
;; SERVER: 8.8.8.8#53(8.8.8.8)
;; WHEN: Wed Jul 26 20:39:22 JST 2017
;; MSG SIZE  rcvd: 279
}}}

$ dig -t txt rs.dns-oarc.net @8.8.8.8
{{{
; <<>> DiG 9.11.1 <<>> -t txt rs.dns-oarc.net @8.8.8.8
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 23268
;; flags: qr rd ra; QUERY: 1, ANSWER: 6, AUTHORITY: 0, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 512
;; QUESTION SECTION:
;rs.dns-oarc.net.		IN	TXT

;; ANSWER SECTION:
rs.dns-oarc.net.	59	IN	CNAME	rst.x4090.rs.dns-oarc.net.
rst.x4090.rs.dns-oarc.net. 58	IN	CNAME	rst.x4058.x4090.rs.dns-oarc.net.
rst.x4058.x4090.rs.dns-oarc.net. 57 IN	CNAME	rst.x4064.x4058.x4090.rs.dns-oarc.net.
rst.x4064.x4058.x4090.rs.dns-oarc.net. 56 IN TXT "173.194.171.1 DNS reply size limit is at least 4090"
rst.x4064.x4058.x4090.rs.dns-oarc.net. 56 IN TXT "173.194.171.1 sent EDNS buffer size 4096"
rst.x4064.x4058.x4090.rs.dns-oarc.net. 56 IN TXT "Tested at 2017-07-26 11:40:46 UTC"

;; Query time: 1408 msec
;; SERVER: 8.8.8.8#53(8.8.8.8)
;; WHEN: Wed Jul 26 20:40:46 JST 2017
;; MSG SIZE  rcvd: 279

}}}