`usystem.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:1423^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3032::ac43:bf4b^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.20.35^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.191.75^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`adel.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a37^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`adel.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c037^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`adel.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2037^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`adel.ns.cloudflare.com`
		A	108.162.192.55^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`adel.ns.cloudflare.com`
		A	172.64.32.55^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`adel.ns.cloudflare.com`
		A	173.245.58.55^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`adel.ns.cloudflare.com`
NS	`otto.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c87^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`otto.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c387^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`otto.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2387^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`otto.ns.cloudflare.com`
		A	108.162.195.135^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`otto.ns.cloudflare.com`
		A	162.159.44.135^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`otto.ns.cloudflare.com`
		A	172.64.35.135^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`otto.ns.cloudflare.com`
MX	`usystem-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::4^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db4pr02cu00204.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:ca09::^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am3pr04cu00500.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::3^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am6pr04cu00303.inbound.protection.outlook.com`
		A	52.101.68.0^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db3pr0202cu00100.inbound.protection.outlook.com`
		A	52.101.68.5^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-du2pr03cu00105.inbound.protection.outlook.com`
		A	52.101.68.29^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-dbapr03cu00105.inbound.protection.outlook.com`
		A	52.101.73.2^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-as9pr07cu00302.inbound.protection.outlook.com`
TXT	`MS=ms17502527`
TXT	`google-site-verification=kJuSOEmqkNREvlBus9owNP603azlS7j9S2cM_nmXAiU`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.20.35, 172.67.191.75
		IPv6	2606:4700:3031::6815:1423, 2606:4700:3032::ac43:bf4b
SOA	`adel.ns.cloudflare.com`dns@cloudflare.com serial=2396621218

`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

usystem.net

usystem.com.ar

usystem.tokyo

usystem.ru

usystem.de

usystem.com

usystem.com.tw

usystem.co.jp

usystem.sk

usystem.ch

Similar names

systemu.com

systeum.cz

systemu.de

ysustem.com

DNS History

16 records (7 active, 9 former)

●NSadel.ns.cloudflare.com2026-02-25 → 2026-02-26 · 3 obs

○ 2016-09-04 10:34:12
● 2026-02-25 21:51:24
● 2026-02-26 19:07:02

○NSns25.domaincontrol.com2015-08-17 → 2016-09-04 · 4 obs

● 2015-08-17 05:20:50
● 2016-09-04 10:34:12
○ 2026-02-25 21:51:24
○ 2026-02-26 19:07:02

○NSns26.domaincontrol.com2015-08-17 → 2016-09-04 · 4 obs

● 2015-08-17 05:20:50
● 2016-09-04 10:34:12
○ 2026-02-25 21:51:24
○ 2026-02-26 19:07:02

●NSotto.ns.cloudflare.com2026-02-25 → 2026-02-26 · 3 obs

○ 2016-09-04 10:34:12
● 2026-02-25 21:51:24
● 2026-02-26 19:07:02

○MXmailstore1.secureserver.net2015-08-17 → 2016-09-04 · 4 obs

● 2015-08-17 05:20:50
● 2016-09-04 10:34:12
○ 2026-02-25 21:51:24
○ 2026-02-26 19:07:02

○MXsmtp.secureserver.net2015-08-17 → 2016-09-04 · 4 obs

● 2015-08-17 05:20:50
● 2016-09-04 10:34:12
○ 2026-02-25 21:51:24
○ 2026-02-26 19:07:02

●MXusystem-com.mail.protection.outlook.com2026-02-25 → 2026-02-26 · 3 obs

○ 2016-09-04 10:34:12
● 2026-02-25 21:51:24
● 2026-02-26 19:07:02

●A104.21.20.352026-02-25 → 2026-02-26 · 3 obs

○ 2016-09-04 10:34:12
● 2026-02-25 21:51:24
● 2026-02-26 19:07:02

●A172.67.191.752026-02-25 → 2026-02-26 · 3 obs

○ 2016-09-04 10:34:12
● 2026-02-25 21:51:24
● 2026-02-26 19:07:02

○A184.168.27.482015-08-17 → 2016-09-04 · 4 obs

● 2015-08-17 05:20:50
● 2016-09-04 10:34:12
○ 2026-02-25 21:51:24
○ 2026-02-26 19:07:02

○A188.114.96.02026-02-25 → 2026-02-26 · 2 obs

○ 2026-02-25 21:51:24
○ 2026-02-26 19:07:02

○A188.114.97.02026-02-25 → 2026-02-26 · 2 obs

○ 2026-02-25 21:51:24
○ 2026-02-26 19:07:02

●A2606:4700:3031::6815:14232026-02-25 → 2026-02-26 · 3 obs

○ 2016-09-04 10:34:12
● 2026-02-25 21:51:24
● 2026-02-26 19:07:02

●A2606:4700:3032::ac43:bf4b2026-02-25 → 2026-02-26 · 3 obs

○ 2016-09-04 10:34:12
● 2026-02-25 21:51:24
● 2026-02-26 19:07:02

○A2a06:98c1:3120::2026-02-25 → 2026-02-26 · 2 obs

○ 2026-02-25 21:51:24
○ 2026-02-26 19:07:02

○A2a06:98c1:3121::2026-02-25 → 2026-02-26 · 2 obs

○ 2026-02-25 21:51:24
○ 2026-02-26 19:07:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
usystem.com	adel.ns.cloudflare.com, otto.ns.cloudflare.com	12 records

✅ Authoritative Response

Server: 108.162.195.135

NS records: adel.ns.cloudflare.com, otto.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for usystem.com (unsigned zone)

⏱️ Timing

Total: 128ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.191.75, 104.21.20.35`
AAAA	2	`2606:4700:3032::ac43:bf4b, 2606:4700:3031::6815:1423`
NS	2	`adel.ns.cloudflare.com, otto.ns.cloudflare.com`
MX	1	`usystem-com.mail.protection.outlook.com`
TXT	3	`MS=ms17502527, google-site-verification=kJuSOEmqkNREvlB...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`adel.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

AI analysis

usystem.com points to four IP numbers: 2606:4700:3031::6815:1423, 2606:4700:3032::ac43:bf4b, 104.21.20.35 and 172.67.191.75.

Other host names, for instance mhbuyers.net, zgyzt.com, xjxjz.com, hatstore.at and gxlygg.cn share IP numbers with usystem.com.

usystem.com is delegated to two name servers: adel.ns.cloudflare.com and otto.ns.cloudflare.com.

usystem.com uses the same name server setup as other domains, for instance guldur.org, cloudstudy.net, yogansun.com, bbtboy.workers.dev and iranbl.com.

usystem.com shares name servers with other domains at least partially, for instance kaskad.co.il, charmagents.com, shankland.co.uk, hamyarhotel.com and orion.supplies.

these name servers are often used together with the name servers kehlani.ns.cloudflare.com.

Host names with six IP numbers: adel.ns.cloudflare.com points to 2606:4700:50::adf5:3a37, 2803:f800:50::6ca2:c037, 2a06:98c1:50::ac40:2037, 108.162.192.55, 172.64.32.55 and 173.245.58.55; otto.ns.cloudflare.com points to 2606:4700:58::a29f:2c87, 2803:f800:50::6ca2:c387, 2a06:98c1:50::ac40:2387, 108.162.195.135, 162.159.44.135 and 172.64.35.135.

The mail server for usystem.com is usystem-com.mail.protection.outlook.com.

Host usystem-com.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:ca04::4, 2a01:111:f403:ca04::8, 2a01:111:f403:ca09::, 2a01:111:f403:ca09::3, 52.101.68.0, 52.101.68.5, 52.101.68.29 and 52.101.73.2.

usystem.com - robtex.com

usystem.com

com

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

AI analysis

`usystem.com`

`com`