`sysworld.com`

DNSSEC	⚠️ Not signed
A	121.254.178.253^{🇰🇷 DACOM-NET121.254.128.0/17 contact noc@bora.net if necessary}
NS	`ns2.domainca.com` ⭐
		A	20.200.205.248^{🇰🇷 Microsoft20.192.0.0/10}
			PTR	`ip-20-200-205-248.defastlink.net`
NS	`ns.domainca.com`
		A	43.201.170.100^{🇰🇷 Amazon43.200.0.0/14 EC2 ICN Prefix}
			PTR	`ec2-43-201-170-100.ap-northeast-2.compute.amazonaws.com`
SOA	`ns.domainca.com`root@domainca.com serial=1470361344

`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=1771291435

Same first word

sysworld.de

sysworld.com

sysworld.net

sysworld.com.ar

Similar names

worldsys.cl

worldsys.com.ar

worldsys.com

worldsys.io

worldsys.co.jp

worldsys.ws

DNS History

6 records (3 active, 3 former)

●NSns.domainca.com2015-06-02 → 2026-03-09 · 2 obs

● 2015-06-02 15:02:48
● 2026-03-09 05:00:12

●NSns2.domainca.com2015-06-02 → 2026-03-09 · 2 obs

● 2015-06-02 15:02:48
● 2026-03-09 05:00:12

○A121.254.178.2502015-10-20 → 2016-05-06 · 5 obs

○ 2015-06-02 15:02:48
● 2015-10-20 09:21:50
● 2016-05-06 17:09:52
○ 2017-01-22 16:46:18
○ 2026-03-09 05:00:12

●A121.254.178.2532017-01-22 → 2026-03-09 · 3 obs

○ 2016-05-06 17:09:52
● 2017-01-22 16:46:18
● 2026-03-09 05:00:12

○A211.106.65.1112015-06-02 → 2015-06-02 · 3 obs

● 2015-06-02 15:02:48
○ 2015-10-20 09:21:50
○ 2026-03-09 05:00:12

○A211.106.65.1122015-06-02 → 2015-06-02 · 3 obs

● 2015-06-02 15:02:48
○ 2015-10-20 09:21:50
○ 2026-03-09 05:00:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	b.gtld-servers.net, a.gtld-servers.net, h.gtld-servers.net, f.gtld-servers.net...	-
sysworld.com	ns.domainca.com, ns2.domainca.com	2 records

✅ Authoritative Response

Server: 121.78.117.39

NS records: ns.domainca.com, ns2.domainca.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sysworld.com (unsigned zone)

⏱️ Timing

Total: 868ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`121.254.178.253`
NS	2	`ns.domainca.com, ns2.domainca.com`
SOA	1	`ns.domainca.com root.domainca.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns.domainca.com, ns2.domainca.com)

Analysis

IP Addresses

sysworld.com points to a single IP number: 121.254.178.253.

Other host names, for instance kitweb.com, nembo.com, www.cerel.com, www.earthline.com and d-space.com share IP numbers with sysworld.com.

Name Servers

Delegation for sysworld.com rests with two name servers, ns2.domainca.com and ns.domainca.com.

sysworld.com shares the same name server setup as other domains, including netroad.com, aboka.com, nasonline.com, drugshop.net and estory.co.kr.

sysworld.com shares name servers with other domains at least partially, for example darimbang.com.

Host names with one IP number: ns2.domainca.com points to 20.200.205.248; ns.domainca.com points to 43.201.170.100.

sysworld.com - robtex.com

sysworld.com

com