net4sys.com - dns.ninja

`net4sys.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::6815:3747^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:aaa0^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.55.71^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.170.160^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`dorthy.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3af9^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dorthy.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0f9^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`dorthy.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20f9^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`dorthy.ns.cloudflare.com`
		A	108.162.192.249^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dorthy.ns.cloudflare.com`
		A	172.64.32.249^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dorthy.ns.cloudflare.com`
		A	173.245.58.249^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dorthy.ns.cloudflare.com`
NS	`lee.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b81^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lee.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c181^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`lee.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2181^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`lee.ns.cloudflare.com`
		A	108.162.193.129^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lee.ns.cloudflare.com`
		A	172.64.33.129^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	173.245.59.129^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lee.ns.cloudflare.com`
MX	`net4sys-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::1^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db7pr03cu00401.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::8^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db5pr02cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::d^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db6pr03cu00105.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::b^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am7pr05cu00103.inbound.protection.outlook.com`
		A	52.101.68.25^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db8pr02cu00101.inbound.protection.outlook.com`
		A	52.101.68.36^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db5pr02cu00104.inbound.protection.outlook.com`
		A	52.101.73.11^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am1pr04cu00103.inbound.protection.outlook.com`
		A	52.101.73.153^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-as8pr05cu00401.inbound.protection.outlook.com`
TXT	`MS=C7738DD76146329CA0CEBFCEAD2221BDFA2167A9`
TXT	`google-site-verification=enl2SjU-GUQK2w6VjnFtI16vHMJbEfL19jaTl_D05HQ`
TXT	`v=DMARC1; p=none; rua=mailto:57f14bc01a9c4ca7becac173a86777f2@dmarc-reports.c...`
TXT	`v=spf1 +a +mx +ip4:192.250.231.3 +include:spf.mysecurecloudhost.com +ip4:198....`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.55.71, 172.67.170.160
		IPv6 hints	2606:4700:3032::6815:3747, 2606:4700:3037::ac43:aaa0
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=210, name=cloudflare-ech.com
SOA	`dorthy.ns.cloudflare.com`dns@cloudflare.com serial=2408510860

`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=1784184542

Same first word

net4sys.com

Similar names

sys4net.com

sys4net.de

sys4net.es

DNS History

8 records (7 active, 1 former)

●NSdorthy.ns.cloudflare.com2026-03-04 → 2026-07-16 · 2 obs

● 2026-03-04 06:05:38
● 2026-07-16 06:58:26

●NSlee.ns.cloudflare.com2026-03-04 → 2026-07-16 · 2 obs

● 2026-03-04 06:05:38
● 2026-07-16 06:58:26

●MXnet4sys-com.mail.protection.outlook.com2026-03-04 → 2026-07-16 · 2 obs

● 2026-03-04 06:05:38
● 2026-07-16 06:58:26

●A104.21.55.712026-03-04 → 2026-07-16 · 2 obs

● 2026-03-04 06:05:38
● 2026-07-16 06:58:26

●A172.67.170.1602026-03-04 → 2026-07-16 · 2 obs

● 2026-03-04 06:05:38
● 2026-07-16 06:58:26

●A2606:4700:3032::6815:37472026-07-01 → 2026-07-16 · 3 obs

○ 2026-06-02 16:12:56
● 2026-07-01 12:34:22
● 2026-07-16 06:58:26

○A2606:4700:3036::6815:37472026-03-04 → 2026-06-02 · 4 obs

● 2026-03-04 06:05:38
● 2026-06-02 16:12:56
○ 2026-07-01 12:34:22
○ 2026-07-16 06:58:26

●A2606:4700:3037::ac43:aaa02026-03-04 → 2026-07-16 · 2 obs

● 2026-03-04 06:05:38
● 2026-07-16 06:58:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	d.gtld-servers.net, c.gtld-servers.net, b.gtld-servers.net, g.gtld-servers.net...	-
net4sys.com	lee.ns.cloudflare.com, dorthy.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.129

NS records: lee.ns.cloudflare.com, dorthy.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1083ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.55.71, 172.67.170.160`
AAAA	2	`2606:4700:3037::ac43:aaa0, 2606:4700:3032::6815:3747`
NS	2	`dorthy.ns.cloudflare.com, lee.ns.cloudflare.com`
MX	1	`net4sys-com.mail.protection.outlook.com`
TXT	4	`MS=C7738DD76146329CA0CEBFCEAD2221BDFA216, google-site-verification=enl2SjU-GUQK2w6...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`dorthy.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (lee.ns.cloudflare.com, lee.ns.cloudflare.com, lee.ns.cloudflare.com...)

Analysis

IP Addresses

net4sys.com points to the four IP addresses 104.21.55.71, 172.67.170.160, 2606:4700:3032::6815:3747 and 2606:4700:3037::ac43:aaa0.

Among the host names that share IP numbers with net4sys.com are regevgutman.co.il, aaa.aoto.de5.net, codenameowl.com and two others.

Name Servers

net4sys.com is delegated to two name servers: dorthy.ns.cloudflare.com and lee.ns.cloudflare.com.

net4sys.com has the same name server delegation as a number of other domains, such as przyjaznyprawnik.pl, worldfree4u.link, worldfree4u.club and two more.

At least some of net4sys.com's name servers are shared with other domains, for example czech-escort.org, techrez.com, xt.ht and two more.

These name servers are routinely co-deployed with the name servers rayden.ns.cloudflare.com, abdullah.ns.cloudflare.com, galilea.ns.cloudflare.com and two others.

Host names resolving to 6 IP numbers:

dorthy.ns.cloudflare.com resolves to 108.162.192.249, 172.64.32.249, 173.245.58.249 and 3 other IP addresses.

lee.ns.cloudflare.com resolves to 108.162.193.129, 172.64.33.129, 173.245.59.129 and 3 other IP addresses.

Mail Servers

net4sys.com routes its mail through a single mail server, net4sys-com.mail.protection.outlook.com.

net4sys-com.mail.protection.outlook.com directs to 8 IP numbers, including 52.101.68.25, 52.101.68.36 and 52.101.73.11, along with 5 other.