jetsystem21c.com - robtex.com
jetsystem21c.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 183.111.182.209🇰🇷 KT-NET183.104.0.0/13 KORNET KOREA TELECOM | ||||||
| NS | jetsystem21c.com ⭐ | ||||||
| A | 183.111.182.209🇰🇷 KT-NET183.104.0.0/13 KORNET KOREA TELECOM | ||||||
| NS | ns.jetsystem21c.com ⚠️ Not in parent delegation | ||||||
| A | 218.145.65.143🇰🇷 KT-NET218.144.0.0/13 KORnet Powered BY Korea Telecom | ||||||
| NS | ns.nayooint.co.kr ⚠️ Not in zone NS records | ||||||
| A | 218.145.65.143🇰🇷 KT-NET218.144.0.0/13 KORnet Powered BY Korea Telecom | ||||||
| NS | ns1.jetsystem21c.com ⚠️ Not in parent delegation | ||||||
| A | 116.126.143.226🇰🇷 SKB-NET116.126.0.0/16 SK Broadband | ||||||
| NS | ns1.nayooint.co.kr ⚠️ Not in zone NS records | ||||||
| A | 116.126.143.226🇰🇷 SKB-NET116.126.0.0/16 SK Broadband | ||||||
| NS | ns2.jetsystem21c.com ⚠️ Not in parent delegation | ||||||
| A | 218.145.65.144🇰🇷 KT-NET218.144.0.0/13 KORnet Powered BY Korea Telecom | ||||||
| NS | ns3.jetsystem21c.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 | jetsystem21c.compostmaster@jetsystem21c.com serial=20200506 | ||||||
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=1777139836 | ||||||
rank #397560 in the tld
NS for
jetsystem21c.com |
Subdomains
ns.jetsystem21c.com |
ns2.jetsystem21c.com |
ns1.jetsystem21c.com |
postmaster.jetsystem21c.com |
ns3.jetsystem21c.com |
Same first word
jetsystem21c.com |
DNS History
9 records (9 active, 0 former)
●NSjetsystem21c.com2026-03-06 → 2026-04-25 · 2 obs
● 2026-04-25 18:01:50
●NSns.jetsystem21c.com2026-03-06 → 2026-04-25 · 2 obs
● 2026-04-25 18:01:50
●NSns.nayooint.co.kr2026-03-06 → 2026-04-25 · 2 obs
● 2026-04-25 18:01:50
●NSns1.jetsystem21c.com2026-03-06 → 2026-04-25 · 2 obs
● 2026-04-25 18:01:50
●NSns1.nayooint.co.kr2026-03-06 → 2026-04-25 · 2 obs
● 2026-04-25 18:01:50
●NSns2.jetsystem21c.com2026-03-06 → 2026-04-25 · 2 obs
● 2026-04-25 18:01:50
●NSns3.jetsystem21c.com2026-03-06 → 2026-04-25 · 2 obs
● 2026-04-25 18:01:50
●MXrmw-002.fmcity.com2026-03-06 → 2026-04-25 · 2 obs
● 2026-04-25 18:01:50
●A183.111.182.2092026-03-06 → 2026-04-25 · 2 obs
● 2026-04-25 18:01:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | b.gtld-servers.net, j.gtld-servers.net, a.gtld-servers.net, h.gtld-servers.net... | - |
| jetsystem21c.com | ns.nayooint.co.kr, ns1.nayooint.co.kr | - |
✅ Authoritative Response
Server:116.126.143.226
NS records: ns.nayooint.co.kr, ns1.nayooint.co.kr
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for jetsystem21c.com (unsigned zone)
⏱️ Timing
Total: 1778ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 183.111.182.209 |
| NS | 4 | ns1.jetsystem21c.com, ns3.jetsystem21c.com... |
| MX | 1 | rmw-002.fmcity.com (pri: 10) |
| TXT | 1 | v=spf1 ip4:211.34.104.37 ~all |
| SOA | 1 | jetsystem21c.com postmaster.jetsystem21c |
Analysis
Hierarchy
jetsystem21c.com is the parent of ns.jetsystem21c.com, ns2.jetsystem21c.com, ns1.jetsystem21c.com, postmaster.jetsystem21c.com and ns3.jetsystem21c.com.
Name Server Role
jetsystem21c.com serves as a name server for jetsystem21c.com.
ns1.jetsystem21c.com, ns2.jetsystem21c.com and ns3.jetsystem21c.com are commonly used as name servers along with jetsystem21c.com.
IP Addresses
jetsystem21c.com points to a single IP address: 183.111.182.209.
Other host names such as u-ami.com, oxfamwalk.or.kr, dongnampetro.com, snt-korea.com and km2800.com share IP numbers with jetsystem21c.com.
Name Servers
jetsystem21c.com is delegated to seven name servers: jetsystem21c.com, ns1.jetsystem21c.com, ns2.jetsystem21c.com, ns3.jetsystem21c.com, ns.jetsystem21c.com, ns1.nayooint.co.kr and ns.nayooint.co.kr.
At least part of the name servers for jetsystem21c.com are shared with other domains, for instance milpol.co.kr, dongsung-chem.com, aimvilla.com, aluxwheel.com and chunillogis.co.kr.
these name servers are commonly used with the name servers ns2.nayooint.co.kr, ns3.nayooint.co.kr, ns1.milpol.co.kr, ns2.milpol.co.kr, ns3.milpol.co.kr, ns.milpol.co.kr, ns1.dongsung-chem.com, ns2.dongsung-chem.com, ns3.dongsung-chem.com and ns.dongsung-chem.com.
Hostnames with a single IP number:
jetsystem21c.com points to: 183.111.182.209.
ns1.jetsystem21c.com points to: 116.126.143.226.
ns2.jetsystem21c.com points to: 218.145.65.144.
ns3.jetsystem21c.com points to: 116.126.143.225.
ns.jetsystem21c.com points to: 218.145.65.143.
ns1.nayooint.co.kr points to: 116.126.143.226.
ns.nayooint.co.kr points to: 218.145.65.143.
Hostnames pointing to 116.126.143.226: ns1.jetsystem21c.com and ns1.nayooint.co.kr.
Hostnames pointing to 218.145.65.143: ns.jetsystem21c.com and ns.nayooint.co.kr.
Mail Servers
The mail server for jetsystem21c.com is rmw-002.fmcity.com.
jetsystem21c.com uses the same mail server setup as other domains, for instance wirecutting.co.kr, lovelju.com, familiajeju.com, juson.com and gnmi.kr.
jetsystem21c.com shares some mail servers with other domains at least partially, for example nicepos.net, playpump.co.kr and xn--2e0ba711r58b.org.
Host rmw-002.fmcity.com points to IP 211.34.104.37.