`sjdk.kr`

DNSSEC	⚠️ Not signed
A	183.111.139.233^{🇰🇷 KT-NET183.104.0.0/13 KORNET KOREA TELECOM}
A	203.245.12.102^{🇰🇷 KT-NET203.245.0.0/18 contact chejumen@hitel.net if necessary contact country1@hitel.net if necessary contact express@hitel.net if necessary contact ezmate@hitel.net if necessary contact han322@hitel.net if necessary}
A	203.245.12.113^{🇰🇷 KT-NET203.245.0.0/18 contact chejumen@hitel.net if necessary contact country1@hitel.net if necessary contact express@hitel.net if necessary contact ezmate@hitel.net if necessary contact han322@hitel.net if necessary}
A	203.245.12.114^{🇰🇷 KT-NET203.245.0.0/18 contact chejumen@hitel.net if necessary contact country1@hitel.net if necessary contact express@hitel.net if necessary contact ezmate@hitel.net if necessary contact han322@hitel.net if necessary}
NS	`sjdk.kr` ⭐
		A	183.111.139.233^{🇰🇷 KT-NET183.104.0.0/13 KORNET KOREA TELECOM}
		A	203.245.12.102^{🇰🇷 KT-NET203.245.0.0/18 contact chejumen@hitel.net if necessary contact country1@hitel.net if necessary contact express@hitel.net if necessary contact ezmate@hitel.net if necessary contact han322@hitel.net if necessary}
		A	203.245.12.113^{🇰🇷 KT-NET203.245.0.0/18 contact chejumen@hitel.net if necessary contact country1@hitel.net if necessary contact express@hitel.net if necessary contact ezmate@hitel.net if necessary contact han322@hitel.net if necessary}
		A	203.245.12.114^{🇰🇷 KT-NET203.245.0.0/18 contact chejumen@hitel.net if necessary contact country1@hitel.net if necessary contact express@hitel.net if necessary contact ezmate@hitel.net if necessary contact han322@hitel.net if necessary}
NS	`dns1.cafe24.co.kr` ⚠️ Not in zone NS records
		A	112.175.246.228^{🇰🇷 KT-NET112.168.0.0/13}
		A	112.175.246.229^{🇰🇷 KT-NET112.168.0.0/13}
		A	175.125.93.132^{🇰🇷 SKB-NET175.120.0.0/13 SKB summary}
		A	175.125.93.133^{🇰🇷 SKB-NET175.120.0.0/13 SKB summary}
NS	`dns1.cafe24.com` ⚠️ Not in zone NS records
		A	112.175.246.226^{🇰🇷 KT-NET112.168.0.0/13}
		A	112.175.246.227^{🇰🇷 KT-NET112.168.0.0/13}
		A	175.125.93.130^{🇰🇷 SKB-NET175.120.0.0/13 SKB summary}
		A	175.125.93.131^{🇰🇷 SKB-NET175.120.0.0/13 SKB summary}
NS	`dns2.cafe24.co.kr` ⚠️ Not in zone NS records
		A	112.175.247.228^{🇰🇷 KT-NET112.168.0.0/13}
		A	112.175.247.229^{🇰🇷 KT-NET112.168.0.0/13}
		A	175.125.93.142^{🇰🇷 SKB-NET175.120.0.0/13 SKB summary}
		A	175.125.93.143^{🇰🇷 SKB-NET175.120.0.0/13 SKB summary}
NS	`dns2.cafe24.com` ⚠️ Not in zone NS records
		A	112.175.247.226^{🇰🇷 KT-NET112.168.0.0/13}
		A	112.175.247.227^{🇰🇷 KT-NET112.168.0.0/13}
		A	175.125.93.140^{🇰🇷 SKB-NET175.120.0.0/13 SKB summary}
		A	175.125.93.141^{🇰🇷 SKB-NET175.120.0.0/13 SKB summary}
NS	`ns.cafe24.com` ⚠️ Not in parent delegation
		A	112.175.246.226^{🇰🇷 KT-NET112.168.0.0/13}
		A	112.175.247.226^{🇰🇷 KT-NET112.168.0.0/13}
		A	175.125.93.135^{🇰🇷 SKB-NET175.120.0.0/13 SKB summary}
		A	175.125.93.145^{🇰🇷 SKB-NET175.120.0.0/13 SKB summary}
NS	`ns0.cafe24.com` ⚠️ Not in parent delegation
		A	116.126.143.241^{🇰🇷 SKB-NET116.126.0.0/16 SK Broadband}
NS	`ns1.cafe24.com` ⚠️ Not in parent delegation
		A	112.175.246.230^{🇰🇷 KT-NET112.168.0.0/13}
		A	112.175.246.231^{🇰🇷 KT-NET112.168.0.0/13}
		A	116.126.143.242^{🇰🇷 SKB-NET116.126.0.0/16 SK Broadband}
		A	175.125.93.134^{🇰🇷 SKB-NET175.120.0.0/13 SKB summary}
		A	175.125.93.135^{🇰🇷 SKB-NET175.120.0.0/13 SKB summary}
NS	`ns2.cafe24.com` ⚠️ Not in parent delegation
		A	1.226.85.4^{🇰🇷 SKB-NET1.224.0.0/13 auto-generated route object for 1.224.0.0/13}
		A	1.234.0.4^{🇰🇷 SKB-NET1.232.0.0/13 auto-generated route object for 1.232.0.0/13}
		A	112.175.11.4^{🇰🇷 KT-NET112.168.0.0/13}
		A	112.175.12.4^{🇰🇷 KT-NET112.168.0.0/13}
SOA	`sjdk.kr`postmaster@sjdk.kr serial=20110520

`kr`

	DNSSEC	🔒 Signed (DS record present)
	NS	`g.dns.kr` ⭐
	NS	`b.dns.kr`
	NS	`c.dns.kr`
	NS	`d.dns.kr`
	NS	`e.dns.kr`
	NS	`f.dns.kr`
	SOA	`g.dns.kr`domain-manager@nic.or.kr serial=2607040852

NS for

sjdk.kr

Same first word

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sjdk.cn

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DNS History

13 records (13 active, 0 former)

●NSdns1.cafe24.co.kr2026-07-03 → 2026-07-04 · 2 obs

● 2026-07-03 14:56:26
● 2026-07-04 18:10:20

●NSdns1.cafe24.com2026-07-03 → 2026-07-04 · 2 obs

● 2026-07-03 14:56:26
● 2026-07-04 18:10:20

●NSdns2.cafe24.co.kr2026-07-03 → 2026-07-04 · 2 obs

● 2026-07-03 14:56:26
● 2026-07-04 18:10:20

●NSdns2.cafe24.com2026-07-03 → 2026-07-04 · 2 obs

● 2026-07-03 14:56:26
● 2026-07-04 18:10:20

●NSns.cafe24.com2026-07-03 → 2026-07-04 · 2 obs

● 2026-07-03 14:56:26
● 2026-07-04 18:10:20

●NSns0.cafe24.com2026-07-03 → 2026-07-04 · 2 obs

● 2026-07-03 14:56:26
● 2026-07-04 18:10:20

●NSns1.cafe24.com2026-07-03 → 2026-07-04 · 2 obs

● 2026-07-03 14:56:26
● 2026-07-04 18:10:20

●NSns2.cafe24.com2026-07-03 → 2026-07-04 · 2 obs

● 2026-07-03 14:56:26
● 2026-07-04 18:10:20

●NSsjdk.kr2026-07-03 → 2026-07-04 · 2 obs

● 2026-07-03 14:56:26
● 2026-07-04 18:10:20

●A183.111.139.2332026-07-03 → 2026-07-04 · 2 obs

● 2026-07-03 14:56:26
● 2026-07-04 18:10:20

●A203.245.12.1022026-07-03 → 2026-07-04 · 2 obs

● 2026-07-03 14:56:26
● 2026-07-04 18:10:20

●A203.245.12.1132026-07-03 → 2026-07-04 · 2 obs

● 2026-07-03 14:56:26
● 2026-07-04 18:10:20

●A203.245.12.1142026-07-03 → 2026-07-04 · 2 obs

● 2026-07-03 14:56:26
● 2026-07-04 18:10:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
kr	b.dns.kr, c.dns.kr, d.dns.kr, e.dns.kr...	10 records
sjdk.kr	dns1.cafe24.co.kr, dns2.cafe24.co.kr, dns1.cafe24.com, dns2.cafe24.com	-

✅ Authoritative Response

Server:175.125.93.132

NS records: dns1.cafe24.co.kr, dns2.cafe24.co.kr, dns1.cafe24.com, dns2.cafe24.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sjdk.kr (unsigned zone)

⏱️ Timing

Total: 2456ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`203.245.12.114, 203.245.12.102...`
NS	4	`ns1.cafe24.com, ns2.cafe24.com...`
SOA	1	`sjdk.kr postmaster.sjdk.kr`

📌 Glue Records Collected

Total: 10

In-bailiwick: 10 (b.dns.kr, c.dns.kr, d.dns.kr...)

Analysis

Name Server Role

sjdk.kr has sjdk.kr as one of its name servers, making it self-hosted for DNS delegation.

Together with sjdk.kr, the hosts dns1.cafe24.com, dns2.cafe24.com and ns0.cafe24.com are frequently configured as name servers.

IP Addresses

sjdk.kr resolves to four IP addresses: 183.111.139.233, 203.245.12.102, 203.245.12.113 and 203.245.12.114.

Among the host names that share IP numbers with sjdk.kr are samaqua.com, martrang.com, atheathe.com and two others.

Name Servers

DNS for sjdk.kr is delegated to 9 name servers: sjdk.kr, dns1.cafe24.com, dns2.cafe24.com plus 6 other.

sjdk.kr has at least partial name server overlap with other domains, such as lifeworkstore.co.kr, ecqa072.com, with-global.com and two others.

ns2.cafe24.com, ns1.cafe24.com and ns1.cafe24.co.kr — plus 4 other name servers — are commonly paired with these name servers.

Hostnames that point to five IP numbers:

ns1.cafe24.com directs to 112.175.246.230, 112.175.246.231, 116.126.143.242 and two other IP addresses.

Hosts pointing to four IP addresses:

sjdk.kr has four IP addresses: 183.111.139.233, 203.245.12.102, 203.245.12.113 and 203.245.12.114.

dns1.cafe24.com has four IP addresses: 112.175.246.226, 112.175.246.227, 175.125.93.130 and 175.125.93.131.

dns2.cafe24.com has four IP addresses: 112.175.247.226, 112.175.247.227, 175.125.93.140 and 175.125.93.141.

ns2.cafe24.com has four IP addresses: 1.226.85.4, 1.234.0.4, 112.175.11.4 and 112.175.12.4.

ns.cafe24.com has four IP addresses: 112.175.246.226, 112.175.247.226, 175.125.93.135 and 175.125.93.145.

dns1.cafe24.co.kr has four IP addresses: 112.175.246.228, 112.175.246.229, 175.125.93.132 and 175.125.93.133.

dns2.cafe24.co.kr has four IP addresses: 112.175.247.228, 112.175.247.229, 175.125.93.142 and 175.125.93.143.

Hosts that resolve to one IP address: