built1.com - robtex.com
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.netdomain@ns.elim.net 2025-12-05 #0 | ||||||
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.netnstld@verisign-grs.com serial=1771291435 | ||||||
Same first word
built1.com |
DNS History
8 records (5 active, 3 former)
●MXmx01.mailplug.com2026-02-24 → 2026-03-20 · 3 obs
● 2026-02-24 16:17:40
● 2026-03-20 06:37:40
●MXmx02.mailplug.com2026-02-24 → 2026-03-20 · 3 obs
● 2026-02-24 16:17:40
● 2026-03-20 06:37:40
○MXsfilter.built1.com2015-06-23 → 2017-02-14 · 4 obs
● 2017-02-14 06:52:18
○ 2026-02-24 16:17:40
○ 2026-03-20 06:37:40
○A211.40.221.142015-06-23 → 2016-02-23 · 4 obs
● 2016-02-23 09:09:58
○ 2016-05-30 08:22:44
○ 2026-03-20 06:37:40
●A218.232.108.2372026-02-24 → 2026-03-20 · 3 obs
● 2026-02-24 16:17:40
● 2026-03-20 06:37:40
○A23.236.62.1472016-05-30 → 2017-02-14 · 5 obs
● 2016-05-30 08:22:44
● 2017-02-14 06:52:18
○ 2026-02-24 16:17:40
○ 2026-03-20 06:37:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.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: 2904ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 218.232.108.237 |
| NS | 2 | ns2.elim.net, ns.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 maps to IP address 218.232.108.237.
Other host names, for instance cums.kr, www.d-dsn.com, charmdoctor.co.kr, bangsu7.com and d-dsn.com share IP numbers with built1.com.
Name Servers
Two name servers ns2.elim.net and ns.elim.net are delegated to built1.com.
built1.com uses the same name server configuration as other domains, such as atsolution.co.kr, 186.174.211.in-addr.arpa, iforest.co.kr, 7.118.210.in-addr.arpa and nowndoc.com.
built1.com at least partially shares name servers with other domains such as 17.240.211.in-addr.arpa, 131.239.203.in-addr.arpa, 205.220.210.in-addr.arpa, 30.118.210.in-addr.arpa and 199.220.210.in-addr.arpa.
These name servers are commonly used with ns.elim.co.kr and ns.jchyun.com.
Host names with a single IP address:
ns2.elim.net points to 203.239.131.1
ns.elim.net points to 203.239.130.1
Mail Servers
Two mail servers handle built1.com: mx01.mailplug.com and mx02.mailplug.com.
built1.com shares the same mail server setup as other domains, including bpgb.net, iamalive.co, kdaa.or.kr, gentechinc.co.kr and tellestar.com.
built1.com shares mail servers with other domains at least in part, for instance krkorea.com, wtckr.com, ureatac.co.kr, wmail06.mailplug.com and holidaylink.co.kr.
Host names with six IP numbers:
mx01.mailplug.com points to 121.156.118.202, 121.156.118.204, 121.156.118.213, 121.156.118.220, 121.156.118.223 and 121.156.118.248.
Host names with two IP numbers:
mx02.mailplug.com points to 223.26.214.9 and 223.26.214.10.