`postmaster.kyobok.com`

	DNSSEC	⚠️ Not signed
	A	211.239.173.212^{🇰🇷 HOSTWAY-AS-KR211.239.173.0/24 SejongTelecom.co.ltd}

`kyobok.com`

	DNSSEC	⚠️ Not signed
	A	`::1`
	A	211.239.173.212^{🇰🇷 HOSTWAY-AS-KR211.239.173.0/24 SejongTelecom.co.ltd}
	NS	`ns1.kyobok.com` ⭐ ⚠️ Not in parent delegation
	NS	`ns1.draghome.com` ⚠️ Not in zone NS records
	NS	`ns2.draghome.com` ⚠️ Not in zone NS records
	MX	`wmx.ecounterp.com` ⭐
	TXT	`v=spf1 mx include:spf.ecounterp.com ~all`
	SOA	`ns1.kyobok.com`root@kyobok.com serial=0

Same first word

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DNS History

7 records (1 active, 6 former)

○NSkyobok.com2015-10-10 → 2016-04-02 · 4 obs

● 2015-10-10 19:30:32
● 2016-04-02 07:32:40
○ 2026-03-16 22:18:26
○ 2026-03-25 02:56:28

○NSns.kyobok.com2015-10-10 → 2016-04-02 · 4 obs

● 2015-10-10 19:30:32
● 2016-04-02 07:32:40
○ 2026-03-16 22:18:26
○ 2026-03-25 02:56:28

○NSns2.kyobok.com2015-10-10 → 2016-04-02 · 4 obs

● 2015-10-10 19:30:32
● 2016-04-02 07:32:40
○ 2026-03-16 22:18:26
○ 2026-03-25 02:56:28

○MXkyobok.com2015-10-10 → 2016-04-02 · 4 obs

● 2015-10-10 19:30:32
● 2016-04-02 07:32:40
○ 2026-03-16 22:18:26
○ 2026-03-25 02:56:28

●A211.239.173.2122026-03-16 → 2026-03-25 · 3 obs

○ 2016-04-02 07:32:40
● 2026-03-16 22:18:26
● 2026-03-25 02:56:28

○A222.122.39.572015-05-10 → 2016-04-02 · 4 obs

● 2015-05-10 13:28:16
● 2016-04-02 07:32:40
○ 2026-03-16 22:18:26
○ 2026-03-25 02:56:28

○CNAMEkyobok.com2015-05-10 → 2016-04-02 · 4 obs

● 2015-05-10 13:28:16
● 2016-04-02 07:32:40
○ 2026-03-16 22:18:26
○ 2026-03-25 02:56:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	d.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, f.gtld-servers.net...	-
kyobok.com	ns1.draghome.com, ns2.draghome.com	2 records

✅ Authoritative Response

Server:211.239.173.210

NS records: ns1.draghome.com, ns2.draghome.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for kyobok.com (unsigned zone)

⏱️ Timing

Total: 491ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`211.239.173.212`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.draghome.com, ns2.draghome.com)

Analysis

IP Addresses

postmaster.kyobok.com points to a single IP number: 211.239.173.212.

other host names for instance ioi.co.kr, mjd.kr, kyobok.com, ns3.hotple.net and taboo.co.kr share IP numbers with postmaster.kyobok.com.

postmaster.kyobok.com - robtex.com