`bluebutton.co.kr`

DNSSEC	⚠️ Not signed
NS	`ns.bluebutton.co.kr`
NS	`ns1.whoisdomain.kr` ⚠️ Not in zone NS records
		A	223.130.139.7^{🇰🇷 NBPAP-AS-AP223.130.128.0/19 NAVER business platform cloud service}

`co.kr`

	DNSSEC	⚠️ Not signed
	NS	`g.dns.kr` ⭐ ⚠️ Not in parent delegation
	NS	`b.dns.kr` ⚠️ Not in parent delegation
	NS	`c.dns.kr` ⚠️ Not in parent delegation
	NS	`d.dns.kr` ⚠️ Not in parent delegation
	NS	`e.dns.kr` ⚠️ Not in parent delegation
	NS	`f.dns.kr` ⚠️ Not in parent delegation
	SOA	`g.dns.kr`domain-manager@nic.or.kr serial=2606181027

WOT: UNKNOWN (62/100)

PTR for

109.15.68.115.in-addr.arpa

MX for

bluebutton.co.kr

Same first word

bluebutton.tv

bluebutton.co.kr

bluebutton.com

bluebutton.de

bluebutton.us

DNS History

4 records (2 active, 2 former)

●NSns.bluebutton.co.kr2015-06-13 → 2026-06-18 · 2 obs

● 2015-06-13 04:06:00
● 2026-06-18 16:27:42

●NSns1.whoisdomain.kr2026-05-03 → 2026-06-18 · 3 obs

○ 2015-06-13 04:06:00
● 2026-05-03 23:41:28
● 2026-06-18 16:27:42

○MXbluebutton.co.kr2015-06-13 → 2026-05-09 · 5 obs

● 2015-06-13 04:06:00
● 2017-01-22 09:27:06
○ 2026-05-03 23:41:28
● 2026-05-09 13:00:54
○ 2026-06-18 16:27:42

○A115.68.15.1092015-06-13 → 2026-05-09 · 5 obs

● 2015-06-13 04:06:00
● 2017-01-22 09:27:06
○ 2026-05-03 23:41:28
● 2026-05-09 13:00:54
○ 2026-06-18 16:27:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
kr	c.dns.kr, e.dns.kr, d.dns.kr, g.dns.kr...	-
bluebutton.co.kr	ns.bluebutton.co.kr, ns1.whoisdomain.kr	1 record

✅ Authoritative Response

Server:223.130.139.7

NS records: ns.bluebutton.co.kr, ns1.whoisdomain.kr

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for bluebutton.co.kr (unsigned zone)

⏱️ Timing

Total: 1432ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	1	`ns.bluebutton.co.kr`
SOA	1	`ns.bluebutton.co.kr root.bluebutton.co.k`

📌 Glue Records Collected

Total: 1

In-bailiwick: 1 (ns.bluebutton.co.kr)

Analysis

Mail Server Role

bluebutton.co.kr handles its own mail, functioning as its own mail server.

Name Servers

bluebutton.co.kr has two authoritative name servers — ns1.whoisdomain.kr and ns.bluebutton.co.kr.

There is at least partial name server overlap between bluebutton.co.kr and other domains — i1472.com, xn--o39at6k2nmp6g.com, buti.kr and two more among them.

These name servers regularly appear alongside ns2.whoisdomain.kr, ns3.whoisdomain.kr, ns4.whoisdomain.kr and 4 other name servers in NS record sets.

Host names that point to one IP address:

ns1.whoisdomain.kr resolves to 223.130.139.7.

bluebutton.co.kr - robtex.com

bluebutton.co.kr

co.kr