seilbolt.com - robtex.com
seilbolt.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 203.245.24.5🇰🇷 KT-NET203.245.0.0/18 contact chejumen@hitel.net if necessary contact country1@hitel.net if necessary contact express@hitel.net if necessary contact ezmate@hitel.net if necessary contact han322@hitel.net if necessary | ||||||
| NS | seilbolt.com ⭐ | ||||||
| A | 203.245.24.5🇰🇷 KT-NET203.245.0.0/18 contact chejumen@hitel.net if necessary contact country1@hitel.net if necessary contact express@hitel.net if necessary contact ezmate@hitel.net if necessary contact han322@hitel.net if necessary | ||||||
| NS | ns.21th.co.kr ⚠️ Not in zone NS records | ||||||
| A | 218.145.65.143🇰🇷 KT-NET218.144.0.0/13 KORnet Powered BY Korea Telecom | ||||||
| NS | ns.seilbolt.com ⚠️ Not in parent delegation | ||||||
| A | 218.145.65.143🇰🇷 KT-NET218.144.0.0/13 KORnet Powered BY Korea Telecom | ||||||
| NS | ns1.21th.co.kr ⚠️ Not in zone NS records | ||||||
| A | 116.126.143.226🇰🇷 SKB-NET116.126.0.0/16 SK Broadband | ||||||
| NS | ns1.seilbolt.com ⚠️ Not in parent delegation | ||||||
| A | 116.126.143.226🇰🇷 SKB-NET116.126.0.0/16 SK Broadband | ||||||
| NS | ns2.seilbolt.com ⚠️ Not in parent delegation | ||||||
| A | 218.145.65.144🇰🇷 KT-NET218.144.0.0/13 KORnet Powered BY Korea Telecom | ||||||
| NS | ns3.seilbolt.com ⚠️ Not in parent delegation | ||||||
| A | 116.126.143.225🇰🇷 SKB-NET116.126.0.0/16 SK Broadband | ||||||
| MX | webmail.seilbolt.com ⭐ | ||||||
| A | 218.145.65.47🇰🇷 KT-NET218.144.0.0/13 KORnet Powered BY Korea Telecom | ||||||
| PTR | rwebmail-002.fmcity.com | ||||||
| TXT | v=spf1 ip4:183.110.224.0/24 ip4:175.126.146.0/24 ip4:112.175.12.0/24 ip4:118.... | ||||||
| SOA | seilbolt.compostmaster@seilbolt.com serial=20090929 | ||||||
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=1776148612 | ||||||
NS for
seilbolt.com |
Subdomains
Same first word
seilbolt.com |
Similar names
DNS History
12 records (9 active, 3 former)
●NSns.21th.co.kr2026-03-07 → 2026-04-14 · 3 obs
● 2026-03-07 02:58:40
● 2026-04-14 06:44:44
●NSns.seilbolt.com2015-07-22 → 2026-04-14 · 2 obs
● 2026-04-14 06:44:44
●NSns1.21th.co.kr2026-03-07 → 2026-04-14 · 3 obs
● 2026-03-07 02:58:40
● 2026-04-14 06:44:44
●NSns1.seilbolt.com2015-07-22 → 2026-04-14 · 2 obs
● 2026-04-14 06:44:44
●NSns2.seilbolt.com2015-07-22 → 2026-04-14 · 2 obs
● 2026-04-14 06:44:44
●NSns3.seilbolt.com2015-07-22 → 2026-04-14 · 2 obs
● 2026-04-14 06:44:44
●NSseilbolt.com2015-07-22 → 2026-04-14 · 2 obs
● 2026-04-14 06:44:44
○MXbackupmail-001.fmcity.com2015-07-22 → 2017-09-01 · 4 obs
● 2017-09-01 13:32:44
○ 2026-03-07 02:58:40
○ 2026-04-14 06:44:44
○MXrwebmail-002.fmcity.com2015-07-22 → 2017-09-01 · 4 obs
● 2017-09-01 13:32:44
○ 2026-03-07 02:58:40
○ 2026-04-14 06:44:44
●MXwebmail.seilbolt.com2026-03-07 → 2026-04-14 · 3 obs
● 2026-03-07 02:58:40
● 2026-04-14 06:44:44
●A203.245.24.52026-03-07 → 2026-04-14 · 3 obs
● 2026-03-07 02:58:40
● 2026-04-14 06:44:44
○A220.73.161.992015-07-22 → 2017-09-01 · 4 obs
● 2017-09-01 13:32:44
○ 2026-03-07 02:58:40
○ 2026-04-14 06:44:44
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| seilbolt.com | ns.21th.co.kr, ns1.21th.co.kr | - |
✅ Authoritative Response
Server:218.145.65.143
NS records: ns.21th.co.kr, ns1.21th.co.kr
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for seilbolt.com (unsigned zone)
⏱️ Timing
Total: 1264ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 203.245.24.5 |
| NS | 4 | ns.seilbolt.com, ns3.seilbolt.com... |
| MX | 1 | webmail.seilbolt.com (pri: 10) |
| TXT | 1 | v=spf1 ip4:183.110.224.0/24 ip4:175.126. |
| SOA | 1 | seilbolt.com postmaster.seilbolt.com |
Analysis
Hierarchy
seilbolt.com is parent of ns2.seilbolt.com, ns3.seilbolt.com, ns1.seilbolt.com, webmail.seilbolt.com and ns.seilbolt.com.
Name Server Role
seilbolt.com serves as a name server for seilbolt.com.
Together with seilbolt.com, ns1.seilbolt.com, ns2.seilbolt.com and ns3.seilbolt.com are commonly used as name servers.
IP Addresses
seilbolt.com points to a single IP: 203.245.24.5.
Other host names, for instance nadeeng.com, seasun7.com, bluu.co.kr, motz.kr and nifcokorea.us share IP numbers with seilbolt.com.
Name Servers
seilbolt.com is delegated to seven name servers: seilbolt.com, ns1.seilbolt.com, ns2.seilbolt.com, ns3.seilbolt.com, ns.seilbolt.com, ns1.21th.co.kr and ns.21th.co.kr.
seilbolt.com partially shares name servers with other domains; examples include mf24.net, yjert.co.kr, ptctech.co.kr, bandosemicom.co.kr and sigmax.co.kr.
These name servers are commonly used alongside ns2.21th.co.kr, ns3.21th.co.kr, ns1.mf24.net, ns2.mf24.net, ns3.mf24.net, ns.mf24.net, ns1.yjert.co.kr, ns2.yjert.co.kr, ns3.yjert.co.kr and ns.yjert.co.kr.
Host names with a single IP number:
Host name seilbolt.com points to 203.245.24.5.
Host name ns1.seilbolt.com points to 116.126.143.226.
Host name ns2.seilbolt.com points to 218.145.65.144.
Host name ns3.seilbolt.com points to 116.126.143.225.
Host name ns.seilbolt.com points to 218.145.65.143.
Host name ns1.21th.co.kr points to 116.126.143.226.
Host name ns.21th.co.kr points to 218.145.65.143.
Host names pointing to 116.126.143.226: ns1.seilbolt.com and ns1.21th.co.kr.
Host names pointing to 218.145.65.143: ns.seilbolt.com and ns.21th.co.kr.
Mail Servers
seilbolt.com is handled by a single mail server, webmail.seilbolt.com.
webmail.seilbolt.com points to a single IP: 218.145.65.47.