`thinking-official.com`

DNSSEC	⚠️ Not signed
A	112.175.184.83^{🇰🇷 KT-NET112.168.0.0/13}
		PTR	`dot-k1-083.dothome.co.kr`
NS	`ns1.dothome.co.kr` ⭐ ⚠️ Not in zone NS records
		A	61.100.188.251^{🇰🇷 HOSTWAY-AS-KR61.100.188.0/24 SejongTelecom.co.ltd}
NS	`ns2.dothome.co.kr` ⚠️ Not in zone NS records
		A	61.100.188.252^{🇰🇷 HOSTWAY-AS-KR61.100.188.0/24 SejongTelecom.co.ltd}
NS	`ns3.dothome.co.kr` ⚠️ Not in zone NS records
		A	14.63.172.74^{🇰🇷 KT-NET14.56.0.0/13 Korea Telecom}
MX	`alt.aspmx.daum.net` ⭐
		A	121.53.85.23^{🇰🇷 KAKAO-AY1121.53.80.0/21 Kakao}
MX	`aspmx.daum.net`⁽²⁰⁾
		A	121.53.85.23^{🇰🇷 KAKAO-AY1121.53.80.0/21 Kakao}
SOA	`ns1.dothome.co.kr`abuse@anysecure.com serial=1734863554

`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=1774578782

Same first word

thinking-official.com

DNS History

9 records (6 active, 3 former)

●NSns1.dothome.co.kr2026-03-06 → 2026-03-27 · 3 obs

○ 2017-12-29 23:15:36
● 2026-03-06 08:04:18
● 2026-03-27 02:48:44

○NSns12.wixdns.net2017-12-29 → 2017-12-29 · 3 obs

● 2017-12-29 23:15:36
○ 2026-03-06 08:04:18
○ 2026-03-27 02:48:44

○NSns13.wixdns.net2017-12-29 → 2017-12-29 · 3 obs

● 2017-12-29 23:15:36
○ 2026-03-06 08:04:18
○ 2026-03-27 02:48:44

●NSns2.dothome.co.kr2026-03-06 → 2026-03-27 · 3 obs

○ 2017-12-29 23:15:36
● 2026-03-06 08:04:18
● 2026-03-27 02:48:44

●NSns3.dothome.co.kr2026-03-06 → 2026-03-27 · 3 obs

○ 2017-12-29 23:15:36
● 2026-03-06 08:04:18
● 2026-03-27 02:48:44

●MXalt.aspmx.daum.net2026-03-06 → 2026-03-27 · 2 obs

● 2026-03-06 08:04:18
● 2026-03-27 02:48:44

●MXaspmx.daum.net2026-03-06 → 2026-03-27 · 2 obs

● 2026-03-06 08:04:18
● 2026-03-27 02:48:44

●A112.175.184.832026-03-06 → 2026-03-27 · 3 obs

○ 2017-12-29 23:15:36
● 2026-03-06 08:04:18
● 2026-03-27 02:48:44

○A23.236.62.1472017-12-29 → 2017-12-29 · 3 obs

● 2017-12-29 23:15:36
○ 2026-03-06 08:04:18
○ 2026-03-27 02:48:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, d.gtld-servers.net, b.gtld-servers.net, a.gtld-servers.net...	-
thinking-official.com	ns1.dothome.co.kr, ns2.dothome.co.kr, ns3.dothome.co.kr	-

✅ Authoritative Response

Server:14.63.172.74

NS records: ns1.dothome.co.kr, ns2.dothome.co.kr, ns3.dothome.co.kr

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for thinking-official.com (unsigned zone)

⏱️ Timing

Total: 3066ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`112.175.184.83`
NS	3	`ns2.dothome.co.kr, ns1.dothome.co.kr...`
MX	2	`aspmx.daum.net (pri: 20), alt.aspmx.daum.net (pri: 10)`
SOA	1	`ns1.dothome.co.kr abuse.anysecure.com`

Analysis

IP Addresses

thinking-official.com points to a single IP number: 112.175.184.83.

Other host names, for instance apsafe.org, www.apsafe.org, www.dowoomi.net, kelsa.or.kr and yeoneui.com share IP numbers with thinking-official.com.

Name Servers

The domain thinking-official.com is delegated to three name servers: ns1.dothome.co.kr, ns2.dothome.co.kr and ns3.dothome.co.kr.

thinking-official.com shares name servers with other domains at least partially, for instance yesican.co.kr, bestden.com, ajcopy.co.kr, polyphonic-world.com and onedollarenglish.com.

these name servers are commonly used together with ns12.dothome.co.kr and ns11.dothome.co.kr.

Host names with a single IP number:

ns1.dothome.co.kr points to 61.100.188.251.

ns2.dothome.co.kr points to 61.100.188.252.

ns3.dothome.co.kr points to 14.63.172.74.

Mail Servers

thinking-official.com is handled by two mail servers: aspmx.daum.net and alt.aspmx.daum.net.

thinking-official.com shares the same mail server setup as other domains, including corsicanabed.com, labnara.com, libanvisual.com, rcs.kr and gsarang.org.

thinking-official.com shares at least some mail servers with other domains, for instance bcjet.com.

Host names with a single IP number:

aspmx.daum.net points to 121.53.85.23.

alt.aspmx.daum.net points to 121.53.85.23.

Host names pointing to 121.53.85.23: aspmx.daum.net and alt.aspmx.daum.net.

thinking-official.com - robtex.com