`yuilsystem.com`

DNSSEC	⚠️ Not signed
A	203.245.24.8^{🇰🇷 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	`yuilsystem.com` ⭐
		A	203.245.24.8^{🇰🇷 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	`ns1.cafe24.co.kr`
		A	112.175.246.232^{🇰🇷 KT-NET112.168.0.0/13}
			PTR	`gjit.kr`
			PTR	`snoweb.kr`
			PTR	`sinc2030.co.kr`
		A	112.175.246.233^{🇰🇷 KT-NET112.168.0.0/13}
		A	175.125.93.136^{🇰🇷 SKB-NET175.120.0.0/13 SKB summary}
		A	175.125.93.137^{🇰🇷 SKB-NET175.120.0.0/13 SKB summary}
NS	`ns1.cafe24.com`
		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.co.kr` ⚠️ Not in parent delegation
		A	112.175.247.232^{🇰🇷 KT-NET112.168.0.0/13}
			PTR	`snoweb.kr`
			PTR	`sarchi.co.kr`
		A	112.175.247.233^{🇰🇷 KT-NET112.168.0.0/13}
		A	175.125.93.146^{🇰🇷 SKB-NET175.120.0.0/13 SKB summary}
		A	175.125.93.147^{🇰🇷 SKB-NET175.120.0.0/13 SKB summary}
NS	`ns2.cafe24.com`
		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}
MX	`wblock.yuilsystem.com` ⭐
		A	211.34.213.220^{🇰🇷 DUZONBIZON-AS-KR211.34.213.0/24 AS55615}
			PTR	`wblock.yuilsystem.com`
TXT	`v=spf1 ip4:210.114.6.202 ip4:211.34.213.220 ip4:211.34.186.71 ~all`
SOA	`yuilsystem.com`postmaster@yuilsystem.com serial=20210601

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1774536957

NS for

yuilsystem.com

Subdomains

webmail.yuilsystem.com

wblock.yuilsystem.com

www.yuilsystem.com

Same first word

yuilsystem.com

DNS History

17 records (7 active, 10 former)

●NSns1.cafe24.co.kr2026-02-20 → 2026-03-26 · 3 obs

○ 2018-08-01 08:12:42
● 2026-02-20 06:05:18
● 2026-03-26 15:18:00

●NSns1.cafe24.com2026-02-20 → 2026-03-26 · 3 obs

○ 2018-08-01 08:12:42
● 2026-02-20 06:05:18
● 2026-03-26 15:18:00

○NSns1.dothost.co.kr2015-07-12 → 2016-05-05 · 4 obs

● 2015-07-12 01:30:24
● 2016-05-05 20:35:52
○ 2018-08-01 08:12:42
○ 2026-03-26 15:18:00

○NSns11.dnstool.net2018-08-01 → 2018-08-01 · 4 obs

○ 2016-05-05 20:35:52
● 2018-08-01 08:12:42
○ 2026-02-20 06:05:18
○ 2026-03-26 15:18:00

●NSns2.cafe24.co.kr2026-02-20 → 2026-03-26 · 3 obs

○ 2018-08-01 08:12:42
● 2026-02-20 06:05:18
● 2026-03-26 15:18:00

●NSns2.cafe24.com2026-02-20 → 2026-03-26 · 3 obs

○ 2018-08-01 08:12:42
● 2026-02-20 06:05:18
● 2026-03-26 15:18:00

○NSns2.dothost.co.kr2015-07-12 → 2016-05-05 · 4 obs

● 2015-07-12 01:30:24
● 2016-05-05 20:35:52
○ 2018-08-01 08:12:42
○ 2026-03-26 15:18:00

●NSyuilsystem.com2026-02-20 → 2026-03-26 · 3 obs

○ 2018-08-01 08:12:42
● 2026-02-20 06:05:18
● 2026-03-26 15:18:00

○MXm7.dothost.co.kr2015-07-12 → 2015-11-20 · 4 obs

● 2015-07-12 01:30:24
● 2015-11-20 14:52:56
○ 2016-02-13 01:10:38
○ 2026-03-26 15:18:00

○MXmc33.mailplug.co.kr2016-02-13 → 2016-05-05 · 5 obs

○ 2015-11-20 14:52:56
● 2016-02-13 01:10:38
● 2016-05-05 20:35:52
○ 2018-08-01 08:12:42
○ 2026-03-26 15:18:00

●MXwblock.yuilsystem.com2026-02-20 → 2026-03-26 · 3 obs

○ 2018-08-01 08:12:42
● 2026-02-20 06:05:18
● 2026-03-26 15:18:00

○MXwebmail.yuilsystem.com2018-08-01 → 2018-08-01 · 4 obs

○ 2016-05-05 20:35:52
● 2018-08-01 08:12:42
○ 2026-02-20 06:05:18
○ 2026-03-26 15:18:00

○A103.28.248.982016-05-05 → 2016-05-05 · 4 obs

○ 2016-02-13 01:10:38
● 2016-05-05 20:35:52
○ 2018-08-01 08:12:42
○ 2026-03-26 15:18:00

○A13.124.192.1052018-08-01 → 2018-08-01 · 4 obs

○ 2016-05-05 20:35:52
● 2018-08-01 08:12:42
○ 2026-02-20 06:05:18
○ 2026-03-26 15:18:00

○A13.125.22.702018-08-01 → 2018-08-01 · 4 obs

○ 2016-05-05 20:35:52
● 2018-08-01 08:12:42
○ 2026-02-20 06:05:18
○ 2026-03-26 15:18:00

●A203.245.24.82026-02-20 → 2026-03-26 · 3 obs

○ 2018-08-01 08:12:42
● 2026-02-20 06:05:18
● 2026-03-26 15:18:00

○A211.39.253.1002015-07-12 → 2016-02-13 · 4 obs

● 2015-07-12 01:30:24
● 2016-02-13 01:10:38
○ 2016-05-05 20:35:52
○ 2026-03-26 15:18:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	d.gtld-servers.net, i.gtld-servers.net, a.gtld-servers.net, f.gtld-servers.net...	-
yuilsystem.com	ns2.cafe24.com, ns1.cafe24.com, ns1.cafe24.co.kr	9 records

✅ Authoritative Response

Server:175.125.93.136

NS records: ns2.cafe24.com, ns1.cafe24.com, ns1.cafe24.co.kr

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for yuilsystem.com (unsigned zone)

⏱️ Timing

Total: 1270ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`203.245.24.8`
NS	4	`ns1.cafe24.com, ns2.cafe24.com...`
MX	1	`wblock.yuilsystem.com (pri: 10)`
TXT	1	`v=spf1 ip4:210.114.6.202 ip4:211.34.213.`
SOA	1	`yuilsystem.com postmaster.yuilsystem.com`

📌 Glue Records Collected

Total: 9

Out-of-bailiwick: 9 (ns2.cafe24.com, ns2.cafe24.com, ns2.cafe24.com...)

Analysis

Hierarchy

yuilsystem.com is a parent of webmail.yuilsystem.com, wblock.yuilsystem.com and www.yuilsystem.com.

Name Server Role

yuilsystem.com serves as a name server for yuilsystem.com.

ns1.cafe24.com, ns2.cafe24.com and ns1.cafe24.co.kr commonly serve as name servers together with yuilsystem.com.

IP Addresses

yuilsystem.com resolves to one IP number: 203.245.24.8.

Other host names, for instance iandcops.co.kr, imilk.or.kr, dongjinco.com, www.junglim.com and eznomu.com share IP numbers with yuilsystem.com.

Name Servers

yuilsystem.com is delegated to five name servers: yuilsystem.com, ns1.cafe24.com, ns2.cafe24.com, ns1.cafe24.co.kr and ns2.cafe24.co.kr.

yuilsystem.com at least partially shares name servers with other domains, including tbroad-cable.com, egoistar.com, clean-korea.com, namuasset.com and bangyudang.com.

These name servers are commonly used with dns1.cafe24.com, dns1.cafe24.co.kr, ns.cafe24.com, dns2.cafe24.com, dns2.cafe24.co.kr and ns0.cafe24.com.

Five IP numbers per host: ns1.cafe24.com points to 112.175.246.230, 112.175.246.231, 116.126.143.242, 175.125.93.134 and 175.125.93.135.

Four IP numbers per host: ns2.cafe24.com points to 1.226.85.4, 1.234.0.4, 112.175.11.4 and 112.175.12.4; ns1.cafe24.co.kr points to 112.175.246.232, 112.175.246.233, 175.125.93.136 and 175.125.93.137; ns2.cafe24.co.kr points to 112.175.247.232, 112.175.247.233, 175.125.93.146 and 175.125.93.147.

One IP number: yuilsystem.com points to 203.245.24.8.

Mail Servers

A single mail server handles yuilsystem.com, wblock.yuilsystem.com.

Host name wblock.yuilsystem.com resolves to a single IP: 211.34.213.220.

yuilsystem.com - robtex.com

yuilsystem.com

com

NS for

Subdomains

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

Name Server Role

IP Addresses

Name Servers

Mail Servers

`yuilsystem.com`

`com`