`cs3u.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::6815:42c7^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:a41f^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.66.199^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.164.31^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`elaine.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a98^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elaine.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c098^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`elaine.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2098^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`elaine.ns.cloudflare.com`
		A	108.162.192.152^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elaine.ns.cloudflare.com`
		A	172.64.32.152^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elaine.ns.cloudflare.com`
		A	173.245.58.152^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elaine.ns.cloudflare.com`
NS	`odin.ns.cloudflare.com`
		A	2606:4700:58::a29f:2cd0^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`odin.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3d0^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`odin.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23d0^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`odin.ns.cloudflare.com`
		A	108.162.195.208^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`odin.ns.cloudflare.com`
		A	162.159.44.208^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`odin.ns.cloudflare.com`
		A	172.64.35.208^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`odin.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.66.199, 172.67.164.31
		IPv6	2606:4700:3034::6815:42c7, 2606:4700:3036::ac43:a41f
SOA	`elaine.ns.cloudflare.com`dns@cloudflare.com serial=2395535581

`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

cs3u.com

Similar names

us3c.com

csu3.com

s3cu.com

suc3.com

3ucs.com

c3us.com

su3c.com

3cus.com

usc3.com

DNS History

10 records (6 active, 4 former)

●NSelaine.ns.cloudflare.com2026-02-14 → 2026-03-24 · 2 obs

● 2026-02-14 16:16:28
● 2026-03-24 02:20:22

●NSodin.ns.cloudflare.com2026-02-14 → 2026-03-24 · 2 obs

● 2026-02-14 16:16:28
● 2026-03-24 02:20:22

●A104.21.66.1992026-02-14 → 2026-03-24 · 8 obs

● 2026-02-14 16:16:28
● 2026-02-16 08:57:40
○ 2026-02-19 10:05:42
● 2026-02-21 12:50:18
● 2026-03-02 23:55:20
○ 2026-03-03 10:05:50
● 2026-03-06 00:00:12
● 2026-03-24 02:20:22

●A172.67.164.312026-02-14 → 2026-03-24 · 8 obs

● 2026-02-14 16:16:28
● 2026-02-16 08:57:40
○ 2026-02-19 10:05:42
● 2026-02-21 12:50:18
● 2026-03-02 23:55:20
○ 2026-03-03 10:05:50
● 2026-03-06 00:00:12
● 2026-03-24 02:20:22

○A188.114.96.02026-02-19 → 2026-03-03 · 7 obs

○ 2026-02-16 08:57:40
● 2026-02-19 10:05:42
○ 2026-02-21 12:50:18
○ 2026-03-02 23:55:20
● 2026-03-03 10:05:50
○ 2026-03-06 00:00:12
○ 2026-03-24 02:20:22

○A188.114.97.02026-02-19 → 2026-03-03 · 7 obs

○ 2026-02-16 08:57:40
● 2026-02-19 10:05:42
○ 2026-02-21 12:50:18
○ 2026-03-02 23:55:20
● 2026-03-03 10:05:50
○ 2026-03-06 00:00:12
○ 2026-03-24 02:20:22

●A2606:4700:3034::6815:42c72026-02-14 → 2026-03-24 · 8 obs

● 2026-02-14 16:16:28
● 2026-02-16 08:57:40
○ 2026-02-19 10:05:42
● 2026-02-21 12:50:18
● 2026-03-02 23:55:20
○ 2026-03-03 10:05:50
● 2026-03-06 00:00:12
● 2026-03-24 02:20:22

●A2606:4700:3036::ac43:a41f2026-02-14 → 2026-03-24 · 8 obs

● 2026-02-14 16:16:28
● 2026-02-16 08:57:40
○ 2026-02-19 10:05:42
● 2026-02-21 12:50:18
● 2026-03-02 23:55:20
○ 2026-03-03 10:05:50
● 2026-03-06 00:00:12
● 2026-03-24 02:20:22

○A2a06:98c1:3120::2026-02-19 → 2026-03-03 · 7 obs

○ 2026-02-16 08:57:40
● 2026-02-19 10:05:42
○ 2026-02-21 12:50:18
○ 2026-03-02 23:55:20
● 2026-03-03 10:05:50
○ 2026-03-06 00:00:12
○ 2026-03-24 02:20:22

○A2a06:98c1:3121::2026-02-19 → 2026-03-03 · 7 obs

○ 2026-02-16 08:57:40
● 2026-02-19 10:05:42
○ 2026-02-21 12:50:18
○ 2026-03-02 23:55:20
● 2026-03-03 10:05:50
○ 2026-03-06 00:00:12
○ 2026-03-24 02:20:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, m.gtld-servers.net, b.gtld-servers.net, l.gtld-servers.net...	-
cs3u.com	elaine.ns.cloudflare.com, odin.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.195.208

NS records: elaine.ns.cloudflare.com, odin.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cs3u.com (unsigned zone)

⏱️ Timing

Total: 166ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.164.31, 104.21.66.199`
AAAA	2	`2606:4700:3034::6815:42c7, 2606:4700:3036::ac43:a41f`
NS	2	`elaine.ns.cloudflare.com, odin.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`elaine.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

cs3u.com maps to four IP numbers: 2606:4700:3034::6815:42c7, 2606:4700:3036::ac43:a41f, 104.21.66.199 and 172.67.164.31.

other host names include solenaverde.com, 645dd.com, kentaurnet.dk, grwg.com.cn and www.dainiki.com; they share IP numbers with cs3u.com.

Name Servers

Two name servers elaine.ns.cloudflare.com and odin.ns.cloudflare.com handle the delegation for cs3u.com.

cs3u.com shares the same name server setup as other domains, for instance zhuoka.net, shwandesign.com, kkmi.net, yesheying.com and yixiang686.com.

cs3u.com at least partially shares name servers with other domains, for instance lucaszarate.com, gzvh.cn, polskiestrony.net, 0282.co and blockconf.digital.

These name servers are commonly used with mustafa.ns.cloudflare.com, desi.ns.cloudflare.com, mario.ns.cloudflare.com, eloise.ns.cloudflare.com, eva.ns.cloudflare.com and destiny.ns.cloudflare.com.

Six IP addresses per host:

elaine.ns.cloudflare.com points to 2606:4700:50::adf5:3a98, 2803:f800:50::6ca2:c098, 2a06:98c1:50::ac40:2098, 108.162.192.152, 172.64.32.152 and 173.245.58.152; odin.ns.cloudflare.com points to 2606:4700:58::a29f:2cd0, 2803:f800:50::6ca2:c3d0, 2a06:98c1:50::ac40:23d0, 108.162.195.208, 162.159.44.208 and 172.64.35.208

cs3u.com - robtex.com

cs3u.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

`cs3u.com`

`com`