`koinv.com`

DNSSEC	⚠️ Not signed
NS	`ns1.uhost.co.kr`
		A	202.31.187.220^{🇰🇷 KT-NET202.31.187.0/24 I Names}
NS	`ns2.uhost.co.kr`
		A	219.251.156.14^{🇰🇷 GDNSKR-KR219.251.156.0/24 AS23600}
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4023:c03::1a^{🇺🇸 Google2607:f8b0::/32}
			PTR	`dy-in-f26.1e100.net`
		A	142.250.101.26^{🇺🇸 Google142.250.101.0/24}
			PTR	`dz-in-f26.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2607:f8b0:4023:2803::1b^{🇺🇸 Google2607:f8b0::/32}
			PTR	`lcausr-in-f27.1e100.net`
		A	172.217.216.26^{🇺🇸 Google172.217.0.0/16}
			PTR	`lcausr-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2607:f8b0:4023:3003::1b^{🇺🇸 Google2607:f8b0::/32}
			PTR	`yulnkjt-in-f27.1e100.net`
		A	172.253.145.26^{🇺🇸 Google172.253.145.0/24}
			PTR	`yulnkjt-in-f26.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4001:c21::1b^{🇩🇪 Google2a00:1450:4001::/48}
			PTR	`lcfrai-in-f27.1e100.net`
		A	142.251.127.26^{🇺🇸 Google142.251.127.0/24}
			PTR	`lcfrai-in-f26.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4025:4401::1a^{🇮🇪 Google2a00:1450:4025::/48}
			PTR	`yuskedq-in-f26.1e100.net`
		A	172.253.148.26^{🇺🇸 Google172.253.0.0/16}
			PTR	`yuskedq-in-f26.1e100.net`
TXT	`google-site-verification=AzlgiKAPH3T2hPVi0_fDlhcRJEha0JuvXf0Telyr7A4`

`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=1783466376

Same first word

koinv.com

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DNS History

9 records (7 active, 2 former)

●NSns1.uhost.co.kr2016-02-07 → 2026-07-07 · 2 obs

● 2016-02-07 17:28:26
● 2026-07-07 23:27:44

●NSns2.uhost.co.kr2016-02-07 → 2026-07-07 · 2 obs

● 2016-02-07 17:28:26
● 2026-07-07 23:27:44

●MXalt1.aspmx.l.google.com2016-02-07 → 2026-07-07 · 9 obs

○ 2015-06-24 07:15:58
● 2016-02-07 17:28:26
● 2026-03-08 09:28:40
○ 2026-03-23 03:11:44
○ 2026-04-03 18:27:04
● 2026-04-08 16:37:56
● 2026-04-14 01:20:44
○ 2026-06-14 21:21:54
● 2026-07-07 23:27:44

●MXalt2.aspmx.l.google.com2016-02-07 → 2026-07-07 · 9 obs

●MXalt3.aspmx.l.google.com2016-02-07 → 2026-07-07 · 9 obs

●MXalt4.aspmx.l.google.com2016-02-07 → 2026-07-07 · 9 obs

●MXaspmx.l.google.com2016-02-07 → 2026-07-07 · 9 obs

○MXmail.themailpros.net2008-03-16 → 2008-03-16 · 3 obs

● 2008-03-16 01:39:50
○ 2015-06-24 07:15:58
○ 2026-07-07 23:27:44

○A65.254.231.1132008-03-16 → 2008-03-16 · 3 obs

● 2008-03-16 01:39:50
○ 2015-06-24 07:15:58
○ 2026-07-07 23:27:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
koinv.com	ns1.uhost.co.kr, ns2.uhost.co.kr	-

✅ Authoritative Response

Server:219.251.156.14

NS records: ns1.uhost.co.kr, ns2.uhost.co.kr

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for koinv.com (unsigned zone)

⏱️ Timing

Total: 4182ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`ns1.uhost.co.kr, ns2.uhost.co.kr`
MX	5	`ALT2.ASPMX.L.GOOGLE.com (pri: 5), ASPMX.L.GOOGLE.com (pri: 1)...`
TXT	1	`google-site-verification=AzlgiKAPH3T2hPV`

Analysis

Name Servers

The NS records for koinv.com delegate to ns1.uhost.co.kr and ns2.uhost.co.kr.

koinv.com uses the same name servers as several other domains — among them neotsys.com, yeonghwa.co.kr, dentazon.com and two more.

koinv.com partially shares its NS delegation with several other domains, including jbnu.edu, wooricap-rentacar.com, koreapork.co.kr and two others.

ns1.uhost.co.kr resolves to 202.31.187.220. ns2.uhost.co.kr resolves to 219.251.156.14. Both host names point to a single IP number.