DNS/oarc.net/txt/dnscacheについて、ここに記述してください。

{{{
%dig rs.dns-oarc.net txt                                                ~

; <<>> DiG 9.10.4-P6 <<>> rs.dns-oarc.net txt
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 4872
;; flags: qr rd ra; QUERY: 1, ANSWER: 6, AUTHORITY: 0, ADDITIONAL: 0

;; QUESTION SECTION:
;rs.dns-oarc.net.		IN	TXT

;; ANSWER SECTION:
rs.dns-oarc.net.	590	IN	CNAME	rst.x476.rs.dns-oarc.net.
rst.x476.rs.dns-oarc.net. 590	IN	CNAME	rst.x485.x476.rs.dns-oarc.net.
rst.x485.x476.rs.dns-oarc.net. 590 IN	CNAME	rst.x490.x485.x476.rs.dns-oarc.net.
rst.x490.x485.x476.rs.dns-oarc.net. 591	IN TXT	"14.192.44.5 DNS reply size limit is at least 490"
rst.x490.x485.x476.rs.dns-oarc.net. 591	IN TXT	"14.192.44.5 lacks EDNS, defaults to 512"
rst.x490.x485.x476.rs.dns-oarc.net. 591	IN TXT	"Tested at 2017-07-14 07:22:56 UTC"

;; Query time: 0 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Fri Jul 14 16:23:05 JST 2017
;; MSG SIZE  rcvd: 261
}}}