operatorsystem.com - dns.ninja

`operatorsystem.com`

DNSSEC	⚠️ Not signed
A	211.41.79.26^{🇰🇷 KT-NET211.41.64.0/19 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	`operatorsystem.com` ⭐
		A	211.41.79.26^{🇰🇷 KT-NET211.41.64.0/19 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.cafe24.com`
		A	112.175.246.226^{🇰🇷 KT-NET112.168.0.0/13}
		A	112.175.247.226^{🇰🇷 KT-NET112.168.0.0/13}
		A	175.125.93.135^{🇰🇷 SKB-NET175.120.0.0/13 SKB summary}
		A	175.125.93.145^{🇰🇷 SKB-NET175.120.0.0/13 SKB summary}
NS	`ns0.cafe24.com`
		A	116.126.143.241^{🇰🇷 SKB-NET116.126.0.0/16 SK Broadband}
NS	`ns1.cafe24.com` ⚠️ Not in zone NS records
		A	112.175.246.230^{🇰🇷 KT-NET112.168.0.0/13}
		A	112.175.246.231^{🇰🇷 KT-NET112.168.0.0/13}
		A	116.126.143.242^{🇰🇷 SKB-NET116.126.0.0/16 SK Broadband}
		A	175.125.93.134^{🇰🇷 SKB-NET175.120.0.0/13 SKB summary}
		A	175.125.93.135^{🇰🇷 SKB-NET175.120.0.0/13 SKB summary}
NS	`ns2.cafe24.com` ⚠️ Not in zone NS records
		A	1.226.85.4^{🇰🇷 SKB-NET1.224.0.0/13 auto-generated route object for 1.224.0.0/13}
		A	1.234.0.4^{🇰🇷 SKB-NET1.232.0.0/13 auto-generated route object for 1.232.0.0/13}
		A	112.175.11.4^{🇰🇷 KT-NET112.168.0.0/13}
		A	112.175.12.4^{🇰🇷 KT-NET112.168.0.0/13}
MX	`operatorsystem.com` ⭐
		A	211.41.79.26^{🇰🇷 KT-NET211.41.64.0/19 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}
TXT	`v=spf1 mx a ip4:116.122.158.82 include:cafe24.com ~all`
SOA	`operatorsystem.com`postmaster@operatorsystem.com serial=20080202

`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=1785701082

NS for

operatorsystem.com

MX for

operatorsystem.com

Same first word

operatorsystem.com

Similar names

systemoperator.co.nz

systemoperator.de

DNS History

8 records (7 active, 1 former)

●NSns.cafe24.com2015-08-19 → 2026-08-02 · 2 obs

● 2015-08-19 07:34:24
● 2026-08-02 20:33:30

●NSns0.cafe24.com2026-03-28 → 2026-08-02 · 3 obs

○ 2015-08-19 07:34:24
● 2026-03-28 06:15:02
● 2026-08-02 20:33:30

●NSns1.cafe24.com2026-03-28 → 2026-08-02 · 3 obs

○ 2015-08-19 07:34:24
● 2026-03-28 06:15:02
● 2026-08-02 20:33:30

●NSns2.cafe24.com2015-08-19 → 2026-08-02 · 2 obs

● 2015-08-19 07:34:24
● 2026-08-02 20:33:30

●NSoperatorsystem.com2015-08-19 → 2026-08-02 · 2 obs

● 2015-08-19 07:34:24
● 2026-08-02 20:33:30

●MXoperatorsystem.com2015-08-19 → 2026-08-02 · 2 obs

● 2015-08-19 07:34:24
● 2026-08-02 20:33:30

○A116.122.158.822015-08-19 → 2017-10-18 · 4 obs

● 2015-08-19 07:34:24
● 2017-10-18 10:10:52
○ 2026-03-28 06:15:02
○ 2026-08-02 20:33:30

●A211.41.79.262026-03-28 → 2026-08-02 · 3 obs

○ 2017-10-18 10:10:52
● 2026-03-28 06:15:02
● 2026-08-02 20:33:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
operatorsystem.com	ns.cafe24.com, ns2.cafe24.com, ns1.cafe24.com, ns0.cafe24.com	14 records

✅ Authoritative Response

Server:175.125.93.135

NS records: ns.cafe24.com, ns2.cafe24.com, ns1.cafe24.com, ns0.cafe24.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for operatorsystem.com (unsigned zone)

⏱️ Timing

Total: 444ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`211.41.79.26`
NS	2	`ns.cafe24.com, ns2.cafe24.com`
MX	1	`operatorsystem.com (pri: 10)`
TXT	1	`v=spf1 mx a ip4:116.122.158.82 include:c`
SOA	1	`operatorsystem.com postmaster.operatorsy`

📌 Glue Records Collected

Total: 14

Out-of-bailiwick: 14 (ns.cafe24.com, ns.cafe24.com, ns.cafe24.com...)

Analysis

Name Server Role

operatorsystem.com acts as a name server for operatorsystem.com, meaning it is self-referentially delegated.

operatorsystem.com is commonly paired with ns2.cafe24.com, ns.cafe24.com and ns0.cafe24.com to act as name servers.

Mail Server Role

operatorsystem.com is listed as a mail server for itself.

IP Addresses

operatorsystem.com resolves to one IP address: 211.41.79.26.

coolbank.net, thkorea.com, gagaclinic.co.kr and two other host names share IP numbers with operatorsystem.com.

Name Servers

Five name servers are authoritative for operatorsystem.com, which are operatorsystem.com, ns0.cafe24.com, ns1.cafe24.com and two others.

The name servers of operatorsystem.com overlap at least partially with those of other domains — among them aruemsoot.com, korezon.com, kspace.or.kr and two more.

These name servers commonly appear in delegations together with ns1.cafe24.co.kr, ns2.cafe24.co.kr, dns1.cafe24.com and 5 other.

Hostnames pointing to five IP numbers:

ns1.cafe24.com resolves to four IP addresses: 112.175.246.230, 112.175.246.231, 116.126.143.242 and two others.

Hosts that point to four IP numbers:

ns2.cafe24.com resolves to 1.226.85.4, 1.234.0.4, 112.175.11.4 and 112.175.12.4.

ns.cafe24.com resolves to 112.175.246.226, 112.175.247.226, 175.125.93.135 and 175.125.93.145.

Hosts with just one IP address:

operatorsystem.com has the IP address 211.41.79.26.

ns0.cafe24.com has the IP address 116.126.143.241.

Both ns1.cafe24.com and ns.cafe24.com resolve to 175.125.93.135 IP addresses each.

Mail Servers

Mail for operatorsystem.com is handled by one mail server — operatorsystem.com.