hwi21.com - robtex.com
hwi21.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 183.111.100.209🇰🇷 KT-NET183.104.0.0/13 KORNET KOREA TELECOM | ||||||
| PTR | anjun.net | ||||||
| NS | hwi21.com ⭐ | ||||||
| A | 183.111.100.209🇰🇷 KT-NET183.104.0.0/13 KORNET KOREA TELECOM | ||||||
| PTR | anjun.net | ||||||
| NS | ns.hwi21.com ⚠️ Not in parent delegation | ||||||
| A | 218.145.65.143🇰🇷 KT-NET218.144.0.0/13 KORnet Powered BY Korea Telecom | ||||||
| NS | ns.twobin.kr ⚠️ Not in zone NS records | ||||||
| A | 218.145.65.143🇰🇷 KT-NET218.144.0.0/13 KORnet Powered BY Korea Telecom | ||||||
| NS | ns1.hwi21.com ⚠️ Not in parent delegation | ||||||
| A | 116.126.143.226🇰🇷 SKB-NET116.126.0.0/16 SK Broadband | ||||||
| NS | ns1.twobin.kr ⚠️ Not in zone NS records | ||||||
| A | 116.126.143.226🇰🇷 SKB-NET116.126.0.0/16 SK Broadband | ||||||
| NS | ns2.hwi21.com ⚠️ Not in parent delegation | ||||||
| A | 218.145.65.144🇰🇷 KT-NET218.144.0.0/13 KORnet Powered BY Korea Telecom | ||||||
| NS | ns3.hwi21.com ⚠️ Not in parent delegation | ||||||
| A | 116.126.143.225🇰🇷 SKB-NET116.126.0.0/16 SK Broadband | ||||||
| MX | rmw-002.fmcity.com ⭐ | ||||||
| A | 211.34.104.37🇰🇷 KT-NET211.34.104.0/24 | ||||||
| PTR | rmw-002.fmcity.com | ||||||
| TXT | v=spf1 ip4:211.34.104.37 ~all | ||||||
| SOA | hwi21.compostmaster@hwi21.com serial=20170110 | ||||||
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=1777322186 | ||||||
NS for
hwi21.com |
Subdomains
Same first word
hwi21.com |
Similar names
DNS History
10 records (9 active, 1 former)
●NShwi21.com2015-06-13 → 2026-04-27 · 2 obs
● 2026-04-27 20:37:52
●NSns.hwi21.com2015-06-13 → 2026-04-27 · 2 obs
● 2026-04-27 20:37:52
●NSns.twobin.kr2026-04-05 → 2026-04-27 · 3 obs
● 2026-04-05 15:24:50
● 2026-04-27 20:37:52
●NSns1.hwi21.com2015-06-13 → 2026-04-27 · 2 obs
● 2026-04-27 20:37:52
●NSns1.twobin.kr2026-04-05 → 2026-04-27 · 3 obs
● 2026-04-05 15:24:50
● 2026-04-27 20:37:52
●NSns2.hwi21.com2015-06-13 → 2026-04-27 · 2 obs
● 2026-04-27 20:37:52
●NSns3.hwi21.com2015-06-13 → 2026-04-27 · 2 obs
● 2026-04-27 20:37:52
●MXrmw-002.fmcity.com2015-06-13 → 2026-04-27 · 2 obs
● 2026-04-27 20:37:52
●A183.111.100.2092017-04-05 → 2026-04-27 · 3 obs
● 2017-04-05 00:21:20
● 2026-04-27 20:37:52
○A183.111.141.672015-06-13 → 2016-07-07 · 4 obs
● 2016-07-07 20:19:24
○ 2017-04-05 00:21:20
○ 2026-04-27 20:37:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | j.gtld-servers.net, b.gtld-servers.net, d.gtld-servers.net, i.gtld-servers.net... | - |
| hwi21.com | ns.twobin.kr, ns1.twobin.kr | - |
✅ Authoritative Response
Server:218.145.65.143
NS records: ns.twobin.kr, ns1.twobin.kr
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for hwi21.com (unsigned zone)
⏱️ Timing
Total: 4213ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 183.111.100.209 |
| NS | 4 | ns3.hwi21.com, ns2.hwi21.com... |
| MX | 1 | rmw-002.fmcity.com (pri: 10) |
| TXT | 1 | v=spf1 ip4:211.34.104.37 ~all |
| SOA | 1 | hwi21.com postmaster.hwi21.com |
Analysis
Hierarchy
hwi21.com is a parent of ns2.hwi21.com, ns1.hwi21.com, ns3.hwi21.com and ns.hwi21.com.
Name Server Role
hwi21.com serves as a name server for hwi21.com.
ns.hwi21.com, ns1.hwi21.com and ns2.hwi21.com are commonly used as name servers together with hwi21.com.
IP Addresses
hwi21.com points to a single IP number: 183.111.100.209.
other host names for instance www.enkorea.kr, gscrc.or.kr, ktcpi.com, geopluseng.com and healthteacher.net share IP numbers with hwi21.com.
Name Servers
hwi21.com is delegated to seven name servers: hwi21.com, ns1.hwi21.com, ns2.hwi21.com, ns3.hwi21.com, ns.hwi21.com, ns1.twobin.kr and ns.twobin.kr.
hwi21.com at least partially shares name servers with other domains, for instance ljlabor.com, twobin.kr, xn--hl1b20k5tmpf81y.com, sindohs.kr and ytgb.co.kr.
These name servers are often used together with the name servers ns2.twobin.kr, ns3.twobin.kr, ns.ljlabor.com, ns1.ljlabor.com, ns2.ljlabor.com, ns3.ljlabor.com, ns1.xn--hl1b20k5tmpf81y.com, ns2.xn--hl1b20k5tmpf81y.com, ns3.xn--hl1b20k5tmpf81y.com and ns.xn--hl1b20k5tmpf81y.com.
Host names with a single IP number:
hwi21.com points to: 183.111.100.209.
ns1.hwi21.com points to: 116.126.143.226.
ns2.hwi21.com points to: 218.145.65.144.
ns3.hwi21.com points to: 116.126.143.225.
ns.hwi21.com points to: 218.145.65.143.
ns1.twobin.kr points to: 116.126.143.226.
ns.twobin.kr points to: 218.145.65.143.
Host names pointing to 116.126.143.226: ns1.hwi21.com and ns1.twobin.kr.
Host names pointing to 218.145.65.143: ns.hwi21.com and ns.twobin.kr.
Mail Servers
hwi21.com is handled by a single mail server, rmw-002.fmcity.com.
hwi21.com shares the same mail server setup as other domains, for instance areumcheil.com, yeolilfarmer.com, hallaind.net, daeyoungmulsan.co.kr and hanjiworld.org.
hwi21.com shares at least partially some mail servers with other domains, for instance radonpt.com, hansunyoung.com and dizzone.com.
Host name rmw-002.fmcity.com points to IP address 211.34.104.37.