`campbellsec.com`

DNSSEC	⚠️ Not signed
A	220.73.172.112^{🇰🇷 KT-NET220.72.0.0/13 KORnet Powered BY Korea Telecom}
NS	`ns1.campbellsec.com` ⭐
NS	`ns1.addinfotech.co.kr`
		A	49.247.172.147^{🇰🇷 SMILESERV-AS-KR49.247.128.0/17}
NS	`ns2.addinfotech.co.kr`
		A	49.247.29.107^{🇰🇷 SMILESERV-AS-KR49.247.0.0/17 Proxy-Registered Route Object by LGUPLUS(AS3786)}
SOA	`ns1.campbellsec.com`admin@campbellsec.com serial=4

`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=1786151939

Subdomains

www.campbellsec.com

Same first word

campbellsec.com

DNS History

4 records (4 active, 0 former)

●NSns1.addinfotech.co.kr2015-07-25 → 2026-08-08 · 2 obs

● 2015-07-25 13:27:06
● 2026-08-08 01:48:04

●NSns1.campbellsec.com2026-05-10 → 2026-08-08 · 3 obs

○ 2019-12-25 07:38:06
● 2026-05-10 19:48:20
● 2026-08-08 01:48:04

●NSns2.addinfotech.co.kr2015-07-25 → 2026-08-08 · 5 obs

● 2015-07-25 13:27:06
○ 2015-11-26 01:44:04
○ 2019-12-25 07:38:06
● 2026-05-10 19:48:20
● 2026-08-08 01:48:04

●A220.73.172.1122015-07-25 → 2026-08-08 · 2 obs

● 2015-07-25 13:27:06
● 2026-08-08 01:48:04

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:49.247.172.147

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for campbellsec.com (unsigned zone)

⏱️ Timing

Total: 1081ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`220.73.172.112`
NS	2	`ns1.addinfotech.co.kr, ns2.addinfotech.co.kr`
SOA	1	`ns1.campbellsec.com admin.campbellsec.co`

Analysis

Hierarchy

The domain www.campbellsec.com falls under the parent campbellsec.com.

IP Addresses

campbellsec.com points to a single IP number: 220.73.172.112.

Additional host names — www.e2eacademy.co.kr, sisasb.com, www.sisasb.com and two others — share IP numbers with campbellsec.com.

Name Servers

Three name servers are authoritative for campbellsec.com: ns1.campbellsec.com, ns1.addinfotech.co.kr and ns2.addinfotech.co.kr.

At least some of campbellsec.com's name servers are shared with other domains, for example kjc21.com, addinfotech.co.kr, sejinschool.com and two more.

These name servers tend to co-occur with ns.gabia.net, ns1.kjc21.com, ns1.sejinschool.com and 4 other name servers in the same DNS delegations.

Each of ns1.addinfotech.co.kr and ns2.addinfotech.co.kr has one IP address: ns1.addinfotech.co.kr uses 49.247.172.147 and ns2.addinfotech.co.kr uses 49.247.29.107.

campbellsec.com - robtex.com

campbellsec.com

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