[dns-operations] samsung.com ns oddities

[Antonio Prado]

hi,

On 8/21/25 9:46 PM, Chad Dailey wrote:
 > we're having some issues resolving
 > samsung.com records, the .ic zones look like they
 > don't belong:

what declared in whois.co.kr

Name Server: dnssm.samsung.com
Name Server: dnsst.samsung.com
Name Server: dnsst2.samsung.com
Name Server: dnssm2.samsung.com
Name Server: dns-gi1.samsung.com
Name Server: dns-awskr1.samsung.com

corresponds to the additional section of the DNS reply.

as for auth01.nhn.ic etc., however there is no trace even in 
dnssm.samsung.com etc.

./dig @dnssm.samsung.com auth01.nhn.ic

; <<>> DiG 9.20.11 <<>> @dnssm.samsung.com auth01.nhn.ic
; (1 server found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: REFUSED, id: 50243
;; flags: qr rd; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 1
;; WARNING: recursion requested but not available

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 1220
; COOKIE: b4cb1600ae17443d0100000068a84b062e92d4e9309660a8 (good)
;; QUESTION SECTION:
;auth01.nhn.ic.			IN	A

;; Query time: 371 msec
;; SERVER: 203.241.132.51#53(dnssm.samsung.com) (UDP)
;; WHEN: Fri Aug 22 12:48:37 CEST 2025
;; MSG SIZE  rcvd: 70

and, incidentally, it seems that .ic is not a spelling mistake for 
another TLD because I checked them all.

--
antonio
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