`tcsysy.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3035::6815:194c^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:dff7^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.25.76^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.223.247^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`hazel.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:269d^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hazel.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c29d^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`hazel.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:229d^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`hazel.ns.cloudflare.com`
		A	108.162.194.157^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hazel.ns.cloudflare.com`
		A	162.159.38.157^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hazel.ns.cloudflare.com`
		A	172.64.34.157^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hazel.ns.cloudflare.com`
NS	`rene.ns.cloudflare.com`
		A	2606:4700:58::a29f:2cb4^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rene.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3b4^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`rene.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23b4^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`rene.ns.cloudflare.com`
		A	108.162.195.180^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rene.ns.cloudflare.com`
		A	162.159.44.180^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rene.ns.cloudflare.com`
		A	172.64.35.180^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rene.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.25.76, 172.67.223.247
		IPv6 hints	2606:4700:3035::6815:194c, 2606:4700:3037::ac43:dff7
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=140, name=cloudflare-ech.com
SOA	`hazel.ns.cloudflare.com`dns@cloudflare.com serial=2410560073

`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=1785174692

Same first word

tcsysy.com

Similar names

ystysc.top

cytyss.com

yscsty.com

scstyy.com

sycyts.com

yctsys.com

ctyssy.com

tycsys.com

tcyssy.com

syytsc.com

cssyyt.com

scsyty.com

ytsysc.com

scytsy.com

cstsyy.com

cstyys.com

systcy.com

tycssy.com

DNS History

12 records (6 active, 6 former)

●NShazel.ns.cloudflare.com2026-03-28 → 2026-07-27 · 3 obs

○ 2017-04-06 11:15:22
● 2026-03-28 14:08:18
● 2026-07-27 18:12:14

○NSns7.xrnet.cn2015-05-06 → 2017-04-06 · 4 obs

● 2015-05-06 11:20:46
● 2017-04-06 11:15:22
○ 2026-03-28 14:08:18
○ 2026-07-27 18:12:14

○NSns8.xrnet.cn2015-05-06 → 2017-04-06 · 4 obs

● 2015-05-06 11:20:46
● 2017-04-06 11:15:22
○ 2026-03-28 14:08:18
○ 2026-07-27 18:12:14

●NSrene.ns.cloudflare.com2026-03-28 → 2026-07-27 · 3 obs

○ 2017-04-06 11:15:22
● 2026-03-28 14:08:18
● 2026-07-27 18:12:14

○MXmail.tcsysy.com2015-05-06 → 2017-04-06 · 4 obs

● 2015-05-06 11:20:46
● 2017-04-06 11:15:22
○ 2026-03-28 14:08:18
○ 2026-07-27 18:12:14

●A104.21.25.762026-03-28 → 2026-07-27 · 3 obs

○ 2017-04-06 11:15:22
● 2026-03-28 14:08:18
● 2026-07-27 18:12:14

○A112.124.68.1352015-05-06 → 2017-04-06 · 4 obs

● 2015-05-06 11:20:46
● 2017-04-06 11:15:22
○ 2026-03-28 14:08:18
○ 2026-07-27 18:12:14

●A172.67.223.2472026-03-28 → 2026-07-27 · 3 obs

○ 2017-04-06 11:15:22
● 2026-03-28 14:08:18
● 2026-07-27 18:12:14

○A2606:4700:3031::6815:194c2026-03-28 → 2026-05-21 · 5 obs

○ 2017-04-06 11:15:22
● 2026-03-28 14:08:18
● 2026-05-21 16:21:50
○ 2026-07-14 22:23:04
○ 2026-07-27 18:12:14

●A2606:4700:3035::6815:194c2026-07-14 → 2026-07-27 · 3 obs

○ 2026-05-21 16:21:50
● 2026-07-14 22:23:04
● 2026-07-27 18:12:14

○A2606:4700:3036::ac43:dff72026-03-28 → 2026-05-21 · 5 obs

○ 2017-04-06 11:15:22
● 2026-03-28 14:08:18
● 2026-05-21 16:21:50
○ 2026-07-14 22:23:04
○ 2026-07-27 18:12:14

●A2606:4700:3037::ac43:dff72026-07-14 → 2026-07-27 · 3 obs

○ 2026-05-21 16:21:50
● 2026-07-14 22:23:04
● 2026-07-27 18:12:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	c.gtld-servers.net, g.gtld-servers.net, d.gtld-servers.net, b.gtld-servers.net...	-
tcsysy.com	hazel.ns.cloudflare.com, rene.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.157

NS records: hazel.ns.cloudflare.com, rene.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for tcsysy.com (unsigned zone)

⏱️ Timing

Total: 159ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.25.76, 172.67.223.247`
AAAA	2	`2606:4700:3037::ac43:dff7, 2606:4700:3035::6815:194c`
NS	2	`hazel.ns.cloudflare.com, rene.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`hazel.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

tcsysy.com has four IP addresses: 104.21.25.76, 172.67.223.247, 2606:4700:3035::6815:194c and 2606:4700:3037::ac43:dff7.

Additional host names — www.0557bike.com, hatoutdoor.com, wsmonline.net and two others — share IP numbers with tcsysy.com.

Name Servers

tcsysy.com has two authoritative name servers — hazel.ns.cloudflare.com and rene.ns.cloudflare.com.

tcsysy.com shares its name server setup with other domains, including wodecool.com, bj-jxy.com, pennybrookinspections.com and two others.

tcsysy.com partially shares its NS delegation with several other domains, including melbournecarpetflooring.com.au, animalcarecenterohio.net, gtctravel.com and two others.

The name servers rocco.ns.cloudflare.com, rodrigo.ns.cloudflare.com, dakota.ns.cloudflare.com and marge.ns.cloudflare.com are often found in use alongside these name servers.

Host names with 6 IP numbers:

hazel.ns.cloudflare.com points to 108.162.194.157, 162.159.38.157, 172.64.34.157 and 3 other IP addresses.

rene.ns.cloudflare.com points to 108.162.195.180, 162.159.44.180, 172.64.35.180 and 3 other IP addresses.

tcsysy.com - robtex.com

tcsysy.com

com

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

`tcsysy.com`

`com`