acostech.com - dns.ninja

`acostech.com`

DNSSEC	⚠️ Not signed
A	183.111.174.123^{🇰🇷 KT-NET183.104.0.0/13 KORNET KOREA TELECOM}
NS	`acostech.com` ⭐
		A	183.111.174.123^{🇰🇷 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` ⚠️ 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	`mail.acostech.com` ⭐
		A	211.115.80.247^{🇰🇷 DACOM-NET211.115.64.0/18 contact irani@rapitel.co.kr if necessary}
			PTR	`mail.1004homepage.com`
TXT	`v=spf1 ip4:211.115.80.247 ~all`
SOA	`acostech.com`postmaster@acostech.com serial=20191010

`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=1782583850

NS for

acostech.com

Subdomains

www.acostech.com

mail.acostech.com

Same first word

acostech.com

Similar names

DNS History

11 records (7 active, 4 former)

●NSacostech.com2026-02-25 → 2026-06-27 · 3 obs

○ 2017-08-28 20:10:48
● 2026-02-25 23:26:52
● 2026-06-27 18:33:36

○NSns.webmaker21.kr2015-07-15 → 2016-07-25 · 4 obs

● 2015-07-15 06:20:06
● 2016-07-25 00:22:44
○ 2017-08-28 20:10:48
○ 2026-06-27 18:33:36

○NSns0.webmaker21.kr2017-08-28 → 2017-08-28 · 4 obs

○ 2016-07-25 00:22:44
● 2017-08-28 20:10:48
○ 2026-02-25 23:26:52
○ 2026-06-27 18:33:36

●NSns1.cafe24.co.kr2026-02-25 → 2026-06-27 · 3 obs

○ 2017-08-28 20:10:48
● 2026-02-25 23:26:52
● 2026-06-27 18:33:36

●NSns1.cafe24.com2026-02-25 → 2026-06-27 · 3 obs

○ 2017-08-28 20:10:48
● 2026-02-25 23:26:52
● 2026-06-27 18:33:36

○NSns1.webmaker21.kr2017-08-28 → 2017-08-28 · 4 obs

○ 2016-07-25 00:22:44
● 2017-08-28 20:10:48
○ 2026-02-25 23:26:52
○ 2026-06-27 18:33:36

●NSns2.cafe24.co.kr2026-02-25 → 2026-06-27 · 6 obs

○ 2017-08-28 20:10:48
● 2026-02-25 23:26:52
● 2026-04-03 21:36:14
○ 2026-04-05 08:09:20
● 2026-05-07 02:41:58
● 2026-06-27 18:33:36

●NSns2.cafe24.com2026-02-25 → 2026-06-27 · 3 obs

○ 2017-08-28 20:10:48
● 2026-02-25 23:26:52
● 2026-06-27 18:33:36

●MXmail.acostech.com2015-07-15 → 2026-06-27 · 2 obs

● 2015-07-15 06:20:06
● 2026-06-27 18:33:36

○A115.68.5.792015-07-15 → 2017-08-28 · 4 obs

● 2015-07-15 06:20:06
● 2017-08-28 20:10:48
○ 2026-02-25 23:26:52
○ 2026-06-27 18:33:36

●A183.111.174.1232026-02-25 → 2026-06-27 · 3 obs

○ 2017-08-28 20:10:48
● 2026-02-25 23:26:52
● 2026-06-27 18:33:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
acostech.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 acostech.com (unsigned zone)

⏱️ Timing

Total: 3100ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`183.111.174.123`
NS	4	`ns2.cafe24.com, ns1.cafe24.co.kr...`
MX	1	`mail.acostech.com (pri: 10)`
TXT	1	`v=spf1 ip4:211.115.80.247 ~all`
SOA	1	`acostech.com postmaster.acostech.com`

📌 Glue Records Collected

Total: 9

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

Analysis

Hierarchy

acostech.com is the parent domain of www.acostech.com and mail.acostech.com.

Name Server Role

acostech.com serves as a name server for itself — acostech.com is its own authoritative name server.

ns1.cafe24.com, ns2.cafe24.com and ns1.cafe24.co.kr frequently serve as name servers alongside acostech.com.

IP Addresses

acostech.com points to a single IP number: 183.111.174.123.

Additional host names — kukdongkor.com, smtechkorea.com, gemiclean.com and two others — share IP numbers with acostech.com.

Name Servers

acostech.com is delegated to five name servers: acostech.com, ns1.cafe24.com, ns2.cafe24.com and two others.

acostech.com has at least partial name server overlap with other domains, such as woonyoung.com, ihbnc.co.kr, bananasoda.com and two others.

ns2.cafe24.co.kr, ns.cafe24.com and ns0.cafe24.com — plus 4 other name servers — are commonly paired with these name servers.

Host names that resolve to five IP addresses:

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

Host names resolving to four IP addresses:

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

ns1.cafe24.co.kr has four IP addresses: 112.175.246.232, 112.175.246.233, 175.125.93.136 and 175.125.93.137.

ns2.cafe24.co.kr has four IP addresses: 112.175.247.232, 112.175.247.233, 175.125.93.146 and 175.125.93.147.

Host names pointing to a single IP address:

acostech.com directs to 183.111.174.123.

Mail Servers

acostech.com has one mail server: mail.acostech.com.

mail.acostech.com has exactly one IP number: 211.115.80.247.