built1.com - dns.ninja

`built1.com`

DNSSEC	⚠️ Not signed
A	218.232.108.237^{🇰🇷 SKB-NET218.232.0.0/15 SK Broadband}
NS	`ns2.elim.net` ⭐
		A	203.239.131.1^{🇰🇷 ELIMNET-AS-KR203.239.128.0/19}
			PTR	`ns.jchyun.co.kr`
NS	`ns.elim.net`
		A	203.239.130.1^{🇰🇷 ELIMNET-AS-KR203.239.128.0/19}
			PTR	`elim.net`
			PTR	`elim.co.kr`
			PTR	`ns.elim.net`
			PTR	`star.elim.net`
			PTR	`ns.elim.co.kr`
			PTR	`star.elim.co.kr`
MX	`mx01.mailplug.com` ⭐
		A	121.156.118.202^{🇰🇷 KT-NET121.152.0.0/13}
			PTR	`mx01.mailplug.com`
		A	121.156.118.204^{🇰🇷 KT-NET121.152.0.0/13}
			PTR	`mx01.mailplug.com`
		A	121.156.118.213^{🇰🇷 KT-NET121.152.0.0/13}
			PTR	`mx01.mailplug.com`
		A	121.156.118.220^{🇰🇷 KT-NET121.152.0.0/13}
			PTR	`mx01.mailplug.com`
		A	121.156.118.223^{🇰🇷 KT-NET121.152.0.0/13}
			PTR	`mx01.mailplug.com`
		A	121.156.118.248^{🇰🇷 KT-NET121.152.0.0/13}
			PTR	`mx01.mailplug.com`
MX	`mx02.mailplug.com`⁽²⁰⁾
		A	223.26.214.9^{🇰🇷 HYOSUNGITX-AS-KR223.26.192.0/18 PACNET (proxy-registered route object)}
		A	223.26.214.10^{🇰🇷 HYOSUNGITX-AS-KR223.26.192.0/18 PACNET (proxy-registered route object)}
TXT	`v=spf1 mx include:mailplug.com ~all`
SOA	`ns.elim.net`domain@ns.elim.net 2026-05-04 #1

`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=1786069449

Same first word

built1.com

DNS History

8 records (5 active, 3 former)

●NSns.elim.net2015-06-23 → 2026-08-07 · 2 obs

● 2015-06-23 15:49:28
● 2026-08-07 02:48:52

●NSns2.elim.net2015-06-23 → 2026-08-07 · 2 obs

● 2015-06-23 15:49:28
● 2026-08-07 02:48:52

●MXmx01.mailplug.com2026-02-24 → 2026-08-07 · 3 obs

○ 2017-02-14 06:52:18
● 2026-02-24 16:17:40
● 2026-08-07 02:48:52

●MXmx02.mailplug.com2026-02-24 → 2026-08-07 · 3 obs

○ 2017-02-14 06:52:18
● 2026-02-24 16:17:40
● 2026-08-07 02:48:52

○MXsfilter.built1.com2015-06-23 → 2017-02-14 · 4 obs

● 2015-06-23 15:49:28
● 2017-02-14 06:52:18
○ 2026-02-24 16:17:40
○ 2026-08-07 02:48:52

○A211.40.221.142015-06-23 → 2016-02-23 · 4 obs

● 2015-06-23 15:49:28
● 2016-02-23 09:09:58
○ 2016-05-30 08:22:44
○ 2026-08-07 02:48:52

●A218.232.108.2372026-02-24 → 2026-08-07 · 3 obs

○ 2017-02-14 06:52:18
● 2026-02-24 16:17:40
● 2026-08-07 02:48:52

○A23.236.62.1472016-05-30 → 2017-02-14 · 5 obs

○ 2016-02-23 09:09:58
● 2016-05-30 08:22:44
● 2017-02-14 06:52:18
○ 2026-02-24 16:17:40
○ 2026-08-07 02:48:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	j.gtld-servers.net, m.gtld-servers.net, c.gtld-servers.net, k.gtld-servers.net...	-
built1.com	ns.elim.net, ns2.elim.net	-

✅ Authoritative Response

Server:203.239.130.1

NS records: ns.elim.net, ns2.elim.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for built1.com (unsigned zone)

⏱️ Timing

Total: 1183ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`218.232.108.237`
NS	2	`ns.elim.net, ns2.elim.net`
MX	2	`mx01.mailplug.com (pri: 10), mx02.mailplug.com (pri: 20)`
TXT	1	`v=spf1 mx include:mailplug.com ~all`
SOA	1	`ns.elim.net domain.ns.elim.net`

Analysis

IP Addresses

built1.com directs to one IP number, which is 218.232.108.237.

Among the host names that share IP numbers with built1.com are cums.kr, www.d-dsn.com, charmdoctor.co.kr and two others.

Name Servers

built1.com is served by two delegated name servers, ns2.elim.net and ns.elim.net.

built1.com has the same name server delegation as a number of other domains, such as atsolution.co.kr, 251.174.211.in-addr.arpa, 186.174.211.in-addr.arpa and two more.

The name servers of built1.com overlap at least partially with those of other domains — among them 17.240.211.in-addr.arpa, 131.239.203.in-addr.arpa, 22.118.210.in-addr.arpa and two more.

The name servers ns.elim.co.kr, ns.bestchoice.co.kr and ns.jchyun.com are commonly seen alongside these name servers.

Both ns2.elim.net and ns.elim.net have a single IP address each — ns2.elim.net resolves to 203.239.131.1 while ns.elim.net resolves to 203.239.130.1.

Mail Servers

The MX records for built1.com point to two mail servers: mx01.mailplug.com and mx02.mailplug.com.

built1.com has the same mail server arrangement as a number of other domains, for example bpgb.net, kdaa.or.kr, gentechinc.co.kr and two more.

built1.com shares at least some of its mail servers with other domains — for example specialbooks.co.kr, krkorea.com, wtckr.com and two more.

Host names resolving to 6 IP numbers:

mx01.mailplug.com carries IP addresses 121.156.118.202, 121.156.118.204 and 121.156.118.213, with 3 other addresses beyond those.

Hosts with two IP numbers each:

mx02.mailplug.com maps to two IP addresses — 223.26.214.9 and 223.26.214.10.