comtru.com - dns.ninja

`comtru.com`

DNSSEC	⚠️ Not signed
NS	`ns.comtru.net` ⭐
		A	218.38.12.236^{🇰🇷 SKB-NET218.38.0.0/15 SK Broadband}
			PTR	`ns.comtru.net`
NS	`ns.comtru.co.kr`
		A	218.38.12.136^{🇰🇷 SKB-NET218.38.0.0/15 SK Broadband}
			PTR	`ns.comtru.co.kr`
MX	`dmx-1.naver.com` ⭐
MX	`dmx-2.naver.com`⁽²⁰⁾
SOA	`ns.comtru.net`tech@tongkni.co.kr serial=1008

`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=1783708182

Subdomains

ns2.comtru.com

Same first word

comtru.co.kr

comtru.com

comtru.net

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DNS History

4 records (4 active, 0 former)

●NSns.comtru.co.kr2015-08-04 → 2026-07-10 · 2 obs

● 2015-08-04 08:13:52
● 2026-07-10 18:53:08

●NSns.comtru.net2015-08-04 → 2026-07-10 · 2 obs

● 2015-08-04 08:13:52
● 2026-07-10 18:53:08

●MXdmx-1.naver.com2015-08-04 → 2026-07-10 · 2 obs

● 2015-08-04 08:13:52
● 2026-07-10 18:53:08

●MXdmx-2.naver.com2015-08-04 → 2026-07-10 · 2 obs

● 2015-08-04 08:13:52
● 2026-07-10 18:53:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, m.gtld-servers.net, k.gtld-servers.net, e.gtld-servers.net...	-
comtru.com	ns.comtru.net, ns.comtru.co.kr	-

✅ Authoritative Response

Server:218.38.12.136

NS records: ns.comtru.net, ns.comtru.co.kr

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for comtru.com (unsigned zone)

⏱️ Timing

Total: 3005ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`ns.comtru.net, ns.comtru.co.kr`
MX	2	`dmx-2.naver.com (pri: 20), dmx-1.naver.com (pri: 10)`
SOA	1	`ns.comtru.net tech.tongkni.co.kr`

Analysis

Hierarchy

comtru.com is a parent domain of ns2.comtru.com.

Name Servers

comtru.com is served by two delegated name servers, ns.comtru.net and ns.comtru.co.kr.

comtru.com has the same name server delegation as a number of other domains, such as webhostingi.co.kr, 48.143.221.in-addr.arpa, comtru.co.kr and two more.

There is an overlap in name servers between comtru.com and other domains, for example g2b.co.kr, koreainter.net and linknet.co.kr

These name servers are frequently seen alongside the name servers ns.linknet.co.kr.

ns.comtru.net and ns.comtru.co.kr each resolve to one IP number: ns.comtru.net points to 218.38.12.236 and ns.comtru.co.kr points to 218.38.12.136.

Mail Servers

The MX records for comtru.com point to two mail servers: dmx-1.naver.com and dmx-2.naver.com.

comtru.com has the same mail server arrangement as a number of other domains, for example a-news.co.kr, aileendoll.co.kr, wefac.com and two more.

comtru.com shares at least some of its mail servers with other domains — for example madeleesul.com, timeonme.com, i-hong.net and two more.