sys4u.com - dns.ninja

`sys4u.com`

DNSSEC	⚠️ Not signed
A	209.17.116.7^{🇺🇸 Jacksonville209.17.116.0/24 5335 Gate Parkway Jacksonville FL 32256 United States}
NS	`ns21.worldnic.com` ⭐
		A	162.159.26.132^{Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns22.worldnic.com`
		A	162.159.27.77^{Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
MX	`mx001.netsol.xion.oxcs.net` ⭐
		A	173.45.18.128^{🇨🇦 AMC173.45.16.0/22}
			PTR	`mx31.oxsus-vadesecure.net`
MX	`mx002.netsol.xion.oxcs.net` ⭐
		A	173.45.18.129^{🇨🇦 AMC173.45.16.0/22}
			PTR	`mx32.oxsus-vadesecure.net`
MX	`mx003.netsol.xion.oxcs.net` ⭐
		A	51.81.206.108^{🇺🇸 OVH51.81.128.0/17 Hosting route}
			PTR	`mx33.oxsus-vadesecure.net`
MX	`mx004.netsol.xion.oxcs.net` ⭐
		A	51.81.206.109^{🇺🇸 OVH51.81.128.0/17 Hosting route}
			PTR	`mx34.oxsus-vadesecure.net`
TXT	`v=spf1 include:spf.registeredsite.com include:spf.cloudus.oxcs.net ~all`
SOA	`NS21.WORLDNIC.com`namehost@WORLDNIC@com serial=122102611

`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=1786030929

Subdomains

cmf.sys4u.com

Same first word

sys4u.com

sys4u.eu

DNS History

9 records (7 active, 2 former)

●NSns21.worldnic.com2015-08-12 → 2026-08-06 · 2 obs

● 2015-08-12 03:07:08
● 2026-08-06 15:52:44

●NSns22.worldnic.com2015-08-12 → 2026-08-06 · 2 obs

● 2015-08-12 03:07:08
● 2026-08-06 15:52:44

○MXinbound.sys4u.com.netsolmail.net2015-08-12 → 2016-12-30 · 4 obs

● 2015-08-12 03:07:08
● 2016-12-30 23:55:08
○ 2018-01-03 10:38:32
○ 2026-08-06 15:52:44

●MXmx001.netsol.xion.oxcs.net2026-02-15 → 2026-08-06 · 3 obs

○ 2018-01-03 10:38:32
● 2026-02-15 15:58:42
● 2026-08-06 15:52:44

●MXmx002.netsol.xion.oxcs.net2026-02-15 → 2026-08-06 · 3 obs

○ 2018-01-03 10:38:32
● 2026-02-15 15:58:42
● 2026-08-06 15:52:44

●MXmx003.netsol.xion.oxcs.net2026-02-15 → 2026-08-06 · 3 obs

○ 2018-01-03 10:38:32
● 2026-02-15 15:58:42
● 2026-08-06 15:52:44

●MXmx004.netsol.xion.oxcs.net2026-02-15 → 2026-08-06 · 3 obs

○ 2018-01-03 10:38:32
● 2026-02-15 15:58:42
● 2026-08-06 15:52:44

○MXmx1.netsolmail.net2018-01-03 → 2018-01-03 · 4 obs

○ 2016-12-30 23:55:08
● 2018-01-03 10:38:32
○ 2026-02-15 15:58:42
○ 2026-08-06 15:52:44

●A209.17.116.72015-08-12 → 2026-08-06 · 2 obs

● 2015-08-12 03:07:08
● 2026-08-06 15:52:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	d.gtld-servers.net, h.gtld-servers.net, f.gtld-servers.net, a.gtld-servers.net...	-
sys4u.com	ns21.worldnic.com, ns22.worldnic.com	2 records

✅ Authoritative Response

Server:162.159.26.132

NS records: ns21.worldnic.com, ns22.worldnic.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sys4u.com (unsigned zone)

⏱️ Timing

Total: 207ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`209.17.116.7`
NS	2	`ns21.worldnic.com, ns22.worldnic.com`
MX	4	`mx002.netsol.xion.oxcs.net (pri: 10), mx004.netsol.xion.oxcs.net (pri: 10)...`
TXT	1	`v=spf1 include:spf.registeredsite.com in`
SOA	1	`NS21.WORLDNIC.com namehost@WORLDNIC.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns21.worldnic.com, ns22.worldnic.com)

Analysis

Hierarchy

The domain cmf.sys4u.com falls under the parent sys4u.com.

IP Addresses

sys4u.com points to a single IP number: 209.17.116.7.

Additional host names — omaralami.com, sagepackaging.com, wernererhard.es and two others — share IP numbers with sys4u.com.

Name Servers

sys4u.com is served by two delegated name servers, ns21.worldnic.com and ns22.worldnic.com.

sys4u.com shares its name server setup with other domains, including webecoffee.com, ridinginstructor.net, optofx.com and two others.

Each of ns21.worldnic.com and ns22.worldnic.com has one IP address: ns21.worldnic.com uses 162.159.26.132 and ns22.worldnic.com uses 162.159.27.77.

Mail Servers

Mail for sys4u.com is handled by four mail servers: mx001.netsol.xion.oxcs.net, mx002.netsol.xion.oxcs.net, mx003.netsol.xion.oxcs.net and mx004.netsol.xion.oxcs.net.

sys4u.com shares mail servers — at least in part — with other domains, including express-foods.com, true-residential.com, gps-surveyor.com and two others.

mx001.netsol.xion.oxcs.net, mx002.netsol.xion.oxcs.net, mx003.netsol.xion.oxcs.net and mx004.netsol.xion.oxcs.net each resolve to one IP address: mx001.netsol.xion.oxcs.net resolves to 173.45.18.128, mx002.netsol.xion.oxcs.net resolves to 173.45.18.129, mx003.netsol.xion.oxcs.net resolves to 51.81.206.108 and mx004.netsol.xion.oxcs.net resolves to 51.81.206.109.