`u3333.cn`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:c7df^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::6815:5a6d^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.90.109^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.199.223^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`elisa.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:2636^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elisa.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c236^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`elisa.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2236^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`elisa.ns.cloudflare.com`
		A	108.162.194.54^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elisa.ns.cloudflare.com`
		A	162.159.38.54^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elisa.ns.cloudflare.com`
		A	172.64.34.54^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elisa.ns.cloudflare.com`
NS	`max.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b84^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`max.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c184^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`max.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2184^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`max.ns.cloudflare.com`
		A	108.162.193.132^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`max.ns.cloudflare.com`
		A	172.64.33.132^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`max.ns.cloudflare.com`
		A	173.245.59.132^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`max.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.90.109, 172.67.199.223
		IPv6 hints	2606:4700:3030::ac43:c7df, 2606:4700:3034::6815:5a6d
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=22, name=cloudflare-ech.com
SOA	`elisa.ns.cloudflare.com`dns@cloudflare.com serial=2399988900

`cn`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.dns.cn` ⭐
	NS	`b.dns.cn`
	NS	`c.dns.cn`
	NS	`d.dns.cn`
	NS	`e.dns.cn`
	NS	`ns.cernet.net` ⚠️ Not in parent delegation
	SOA	`a.dns.cn`root@cnnic.cn serial=2034684239

Same first word

u3333.cn

DNS History

9 records (6 active, 3 former)

●NSelisa.ns.cloudflare.com2026-03-03 → 2026-04-18 · 3 obs

○ 2018-08-05 05:57:38
● 2026-03-03 15:25:00
● 2026-04-18 11:07:30

○NSgo1.cdns.cn2015-07-12 → 2018-08-05 · 4 obs

● 2015-07-12 19:45:36
● 2018-08-05 05:57:38
○ 2026-03-03 15:25:00
○ 2026-04-18 11:07:30

○NSgo2.cdns.cn2015-07-12 → 2018-08-05 · 4 obs

● 2015-07-12 19:45:36
● 2018-08-05 05:57:38
○ 2026-03-03 15:25:00
○ 2026-04-18 11:07:30

●NSmax.ns.cloudflare.com2026-03-03 → 2026-04-18 · 3 obs

○ 2018-08-05 05:57:38
● 2026-03-03 15:25:00
● 2026-04-18 11:07:30

●A104.21.90.1092026-03-03 → 2026-04-18 · 3 obs

○ 2018-08-05 05:57:38
● 2026-03-03 15:25:00
● 2026-04-18 11:07:30

●A172.67.199.2232026-03-03 → 2026-04-18 · 3 obs

○ 2018-08-05 05:57:38
● 2026-03-03 15:25:00
● 2026-04-18 11:07:30

○A218.241.105.1472015-07-12 → 2018-08-05 · 4 obs

● 2015-07-12 19:45:36
● 2018-08-05 05:57:38
○ 2026-03-03 15:25:00
○ 2026-04-18 11:07:30

●A2606:4700:3030::ac43:c7df2026-03-03 → 2026-04-18 · 3 obs

○ 2018-08-05 05:57:38
● 2026-03-03 15:25:00
● 2026-04-18 11:07:30

●A2606:4700:3034::6815:5a6d2026-03-03 → 2026-04-18 · 3 obs

○ 2018-08-05 05:57:38
● 2026-03-03 15:25:00
● 2026-04-18 11:07:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn...	-
u3333.cn	max.ns.cloudflare.com, elisa.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.194.54

NS records: max.ns.cloudflare.com, elisa.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for u3333.cn (unsigned zone)

⏱️ Timing

Total: 1298ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.90.109, 172.67.199.223`
AAAA	2	`2606:4700:3034::6815:5a6d, 2606:4700:3030::ac43:c7df`
NS	2	`elisa.ns.cloudflare.com, max.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`elisa.ns.cloudflare.com dns.cloudflare.c`

Analysis

IP Addresses

u3333.cn points to four IP numbers: 2606:4700:3030::ac43:c7df, 2606:4700:3034::6815:5a6d, 104.21.90.109 and 172.67.199.223.

Other host names, for instance cloudberrytech.co, opalnaga99.com, rigicon.com, boliviano808.com and iquilt.com share IP numbers with u3333.cn.

Name Servers

Delegation for u3333.cn rests with two name servers, elisa.ns.cloudflare.com and max.ns.cloudflare.com.

u3333.cn shares the same name server setup as other domains, including stit.com.cn, daredevilhearts.com, tefudan.com, 1pda.cn and csttzc.com.

u3333.cn at least partially shares name servers with other domains, for instance asphaltspecialties.com, avno1.cc, tourstar.tur.br, dunawaybooks.com and tejekxrsad.baby.

These name servers are commonly used with sage.ns.cloudflare.com and anastasia.ns.cloudflare.com.

Host names with six IP numbers: elisa.ns.cloudflare.com points to: 2606:4700:50::a29f:2636, 2803:f800:50::6ca2:c236, 2a06:98c1:50::ac40:2236, 108.162.194.54, 162.159.38.54 and 172.64.34.54. max.ns.cloudflare.com points to: 2606:4700:58::adf5:3b84, 2803:f800:50::6ca2:c184, 2a06:98c1:50::ac40:2184, 108.162.193.132, 172.64.33.132 and 173.245.59.132.

u3333.cn - robtex.com

u3333.cn

cn

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

`u3333.cn`

`cn`