worldoptech.com - dns.ninja

`worldoptech.com`

DNSSEC	⚠️ Not signed
A	183.111.174.23^{🇰🇷 KT-NET183.104.0.0/13 KORNET KOREA TELECOM}
NS	`worldoptech.com` ⭐
		A	183.111.174.23^{🇰🇷 KT-NET183.104.0.0/13 KORNET KOREA TELECOM}
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`
		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	`spam.cafe24.com` ⭐
		A	183.110.229.114^{🇰🇷 KT-NET183.104.0.0/13 KORNET KOREA TELECOM}
TXT	`v=spf1 include:spf.cafe24.com ~all`
SOA	`worldoptech.com`postmaster@worldoptech.com serial=20141120

`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=1783427751

NS for

worldoptech.com

Subdomains

mail.worldoptech.com

Same first word

worldoptech.com

DNS History

10 records (7 active, 3 former)

●NSns1.cafe24.co.kr2015-07-10 → 2026-07-07 · 2 obs

● 2015-07-10 06:57:14
● 2026-07-07 12:53:04

●NSns1.cafe24.com2015-07-10 → 2026-07-07 · 2 obs

● 2015-07-10 06:57:14
● 2026-07-07 12:53:04

●NSns2.cafe24.co.kr2015-07-10 → 2026-07-07 · 2 obs

● 2015-07-10 06:57:14
● 2026-07-07 12:53:04

●NSns2.cafe24.com2015-07-10 → 2026-07-07 · 2 obs

● 2015-07-10 06:57:14
● 2026-07-07 12:53:04

●NSworldoptech.com2015-07-10 → 2026-07-07 · 2 obs

● 2015-07-10 06:57:14
● 2026-07-07 12:53:04

○MXbackupmail-001.cafe24.com2015-07-10 → 2016-07-10 · 4 obs

● 2015-07-10 06:57:14
● 2016-07-10 15:37:36
○ 2017-02-18 20:28:22
○ 2026-07-07 12:53:04

●MXspam.cafe24.com2026-03-28 → 2026-07-07 · 3 obs

○ 2017-02-18 20:28:22
● 2026-03-28 17:05:44
● 2026-07-07 12:53:04

○MXwebmail-091.cafe24.com2015-07-10 → 2017-02-18 · 4 obs

● 2015-07-10 06:57:14
● 2017-02-18 20:28:22
○ 2026-03-28 17:05:44
○ 2026-07-07 12:53:04

○A183.111.174.152015-07-10 → 2015-07-10 · 3 obs

● 2015-07-10 06:57:14
○ 2015-11-14 09:43:52
○ 2026-07-07 12:53:04

●A183.111.174.232015-11-14 → 2026-07-07 · 3 obs

○ 2015-07-10 06:57:14
● 2015-11-14 09:43:52
● 2026-07-07 12:53:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
worldoptech.com	ns2.cafe24.com, ns1.cafe24.com, ns2.cafe24.co.kr, ns1.cafe24.co.kr	9 records

✅ Authoritative Response

Server:175.125.93.147

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for worldoptech.com (unsigned zone)

⏱️ Timing

Total: 4941ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`183.111.174.23`
NS	4	`ns2.cafe24.com, ns2.cafe24.co.kr...`
MX	1	`spam.cafe24.com (pri: 10)`
TXT	1	`v=spf1 include:spf.cafe24.com ~all`
SOA	1	`worldoptech.com postmaster.worldoptech.c`

📌 Glue Records Collected

Total: 9

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

Analysis

Hierarchy

mail.worldoptech.com is delegated beneath worldoptech.com.

Name Server Role

The NS records for worldoptech.com point back to worldoptech.com itself.

ns1.cafe24.com, ns2.cafe24.com and ns1.cafe24.co.kr are often grouped with worldoptech.com to function as name servers.

IP Addresses

worldoptech.com resolves to just one IP address, 183.111.174.23.

Two other host names, along with uws64-140.cafe24.com, sis.or.kr and 0909rara.com, also share IP numbers with worldoptech.com.

Name Servers

worldoptech.com has five authoritative name servers, specifically worldoptech.com, ns1.cafe24.com, ns2.cafe24.com and two others.

There is at least partial name server overlap between worldoptech.com and other domains — tophmall.com, ns3.angussnapforth.burningstock.com, smiledetox.com and two more among them.

These name servers regularly appear alongside ns2.cafe24.co.kr, ns.cafe24.com, ns0.cafe24.com and 6 other name servers in NS record sets.

Host names directing to five IP addresses:

ns1.cafe24.com has four IP addresses — 112.175.246.230, 112.175.246.231, 116.126.143.242 and two others.

Host names that resolve to four IP numbers:

ns2.cafe24.com resolves to four IP addresses — 1.226.85.4, 1.234.0.4, 112.175.11.4 and 112.175.12.4.

ns1.cafe24.co.kr resolves to four IP addresses — 112.175.246.232, 112.175.246.233, 175.125.93.136 and 175.125.93.137.

ns2.cafe24.co.kr resolves to four IP addresses — 112.175.247.232, 112.175.247.233, 175.125.93.146 and 175.125.93.147.

Host names that point to one IP address:

worldoptech.com has the IP address 183.111.174.23.

Mail Servers

The sole mail server for worldoptech.com is spam.cafe24.com.

Among the domains sharing a mail server setup with worldoptech.com are eauvivefoodstudio.com, cens.kr, worldcera.com and two others.

worldoptech.com and a number of other domains — kclc.or.kr, hprobot.ai, ririnco.jp and cctv7.co.kr among them — share at least some of the same mail servers.

spam.cafe24.com directs to just one IP number, 183.110.229.114.