`uc33.cn`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:64f^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:869e^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.6.79^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.134.158^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`ali.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a3b^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ali.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c03b^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`ali.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:203b^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`ali.ns.cloudflare.com`
		A	108.162.192.59^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ali.ns.cloudflare.com`
		A	172.64.32.59^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ali.ns.cloudflare.com`
		A	173.245.58.59^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ali.ns.cloudflare.com`
NS	`dan.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b6c^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dan.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c16c^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`dan.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:216c^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`dan.ns.cloudflare.com`
		A	108.162.193.108^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dan.ns.cloudflare.com`
		A	172.64.33.108^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dan.ns.cloudflare.com`
		A	173.245.59.108^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dan.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.6.79, 172.67.134.158
		IPv6 hints	2606:4700:3031::6815:64f, 2606:4700:3037::ac43:869e
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=212, name=cloudflare-ech.com
SOA	`ali.ns.cloudflare.com`dns@cloudflare.com serial=2401660871

`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=2034783607

Same first word

uc33.cn

uc33.com

uc33.nl

Similar names

u3c3.com

3cu3.com

c3u3.com

3c3u.xyz

3u3c.com

33uc.com

33uc.cn

3cu3.click

33uc.cc

u3c3.org

cu33.com

u3c3.in

3c3u.com

u3c3.live

33cu.com

DNS History

22 records (6 active, 16 former)

●NSali.ns.cloudflare.com2026-04-29 → 2026-05-12 · 3 obs

○ 2020-11-18 23:58:26
● 2026-04-29 15:19:16
● 2026-05-12 16:27:56

●NSdan.ns.cloudflare.com2026-04-29 → 2026-05-12 · 3 obs

○ 2020-11-18 23:58:26
● 2026-04-29 15:19:16
● 2026-05-12 16:27:56

○NSdns10.hichina.com2015-05-19 → 2016-04-05 · 4 obs

● 2015-05-19 01:36:36
● 2016-04-05 16:28:32
○ 2016-09-26 17:26:46
○ 2026-05-12 16:27:56

○NSdns17.hichina.com2020-11-18 → 2020-11-18 · 4 obs

○ 2017-06-21 21:38:24
● 2020-11-18 23:58:26
○ 2026-04-29 15:19:16
○ 2026-05-12 16:27:56

○NSdns18.hichina.com2020-11-18 → 2020-11-18 · 4 obs

○ 2017-06-21 21:38:24
● 2020-11-18 23:58:26
○ 2026-04-29 15:19:16
○ 2026-05-12 16:27:56

○NSdns9.hichina.com2015-05-19 → 2016-04-05 · 4 obs

● 2015-05-19 01:36:36
● 2016-04-05 16:28:32
○ 2016-09-26 17:26:46
○ 2026-05-12 16:27:56

○NSf1g1ns1.dnspod.net2016-09-26 → 2016-09-26 · 4 obs

○ 2016-04-05 16:28:32
● 2016-09-26 17:26:46
○ 2017-06-21 21:38:24
○ 2026-05-12 16:27:56

○NSf1g1ns2.dnspod.net2016-09-26 → 2016-09-26 · 4 obs

○ 2016-04-05 16:28:32
● 2016-09-26 17:26:46
○ 2017-06-21 21:38:24
○ 2026-05-12 16:27:56

○NSvip1.alidns.com2017-06-21 → 2017-06-21 · 4 obs

○ 2016-09-26 17:26:46
● 2017-06-21 21:38:24
○ 2020-11-18 23:58:26
○ 2026-05-12 16:27:56

○NSvip2.alidns.com2017-06-21 → 2017-06-21 · 4 obs

○ 2016-09-26 17:26:46
● 2017-06-21 21:38:24
○ 2020-11-18 23:58:26
○ 2026-05-12 16:27:56

○MXmxn.mxhichina.com2015-05-19 → 2017-06-21 · 6 obs

● 2015-05-19 01:36:36
● 2016-04-05 16:28:32
○ 2016-09-26 17:26:46
● 2017-06-21 21:38:24
○ 2020-11-18 23:58:26
○ 2026-05-12 16:27:56

○MXmxw.mxhichina.com2015-05-19 → 2017-06-21 · 6 obs

● 2015-05-19 01:36:36
● 2016-04-05 16:28:32
○ 2016-09-26 17:26:46
● 2017-06-21 21:38:24
○ 2020-11-18 23:58:26
○ 2026-05-12 16:27:56

●A104.21.6.792026-04-29 → 2026-05-12 · 3 obs

○ 2020-11-18 23:58:26
● 2026-04-29 15:19:16
● 2026-05-12 16:27:56

○A106.54.194.922020-11-18 → 2020-11-18 · 4 obs

○ 2017-06-21 21:38:24
● 2020-11-18 23:58:26
○ 2026-04-29 15:19:16
○ 2026-05-12 16:27:56

○A120.26.207.432015-10-28 → 2015-10-28 · 4 obs

○ 2015-05-19 01:36:36
● 2015-10-28 16:14:42
○ 2016-01-24 12:00:48
○ 2026-05-12 16:27:56

○A121.196.207.612017-06-21 → 2017-06-21 · 4 obs

○ 2016-09-26 17:26:46
● 2017-06-21 21:38:24
○ 2020-11-18 23:58:26
○ 2026-05-12 16:27:56

○A121.42.48.472015-05-19 → 2015-05-19 · 3 obs

● 2015-05-19 01:36:36
○ 2015-10-28 16:14:42
○ 2026-05-12 16:27:56

○A123.207.165.1812016-09-26 → 2016-09-26 · 4 obs

○ 2016-04-05 16:28:32
● 2016-09-26 17:26:46
○ 2017-06-21 21:38:24
○ 2026-05-12 16:27:56

○A123.60.92.512016-01-24 → 2016-04-05 · 5 obs

○ 2015-10-28 16:14:42
● 2016-01-24 12:00:48
● 2016-04-05 16:28:32
○ 2016-09-26 17:26:46
○ 2026-05-12 16:27:56

●A172.67.134.1582026-04-29 → 2026-05-12 · 3 obs

○ 2020-11-18 23:58:26
● 2026-04-29 15:19:16
● 2026-05-12 16:27:56

●A2606:4700:3031::6815:64f2026-04-29 → 2026-05-12 · 3 obs

○ 2020-11-18 23:58:26
● 2026-04-29 15:19:16
● 2026-05-12 16:27:56

●A2606:4700:3037::ac43:869e2026-04-29 → 2026-05-12 · 3 obs

○ 2020-11-18 23:58:26
● 2026-04-29 15:19:16
● 2026-05-12 16:27:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn...	-
uc33.cn	ali.ns.cloudflare.com, dan.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.192.59

NS records: ali.ns.cloudflare.com, dan.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for uc33.cn (unsigned zone)

⏱️ Timing

Total: 2389ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.6.79, 172.67.134.158`
AAAA	2	`2606:4700:3037::ac43:869e, 2606:4700:3031::6815:64f`
NS	2	`ali.ns.cloudflare.com, dan.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`ali.ns.cloudflare.com dns.cloudflare.com`

Analysis

IP Addresses

uc33.cn maps to four IP numbers: 2606:4700:3031::6815:64f, 2606:4700:3037::ac43:869e, 104.21.6.79 and 172.67.134.158.

Other host names such as demexsof.com, mabore.com.br, mxnap.cloud, planttalk.co.uk and digitalsmartfactory.digital share IPs with uc33.cn.

Name Servers

Two name servers ali.ns.cloudflare.com and dan.ns.cloudflare.com handle the delegation for uc33.cn.

uc33.cn shares the same name server setup as other domains, for example maamchee.com, aishizhuang.cn, wlzhuanxian.com, junction-tech.com and ztrn.cn.

uc33.cn at least partially shares name servers with other domains, for example cicianemarten.com, xyyxsq.com, westbranchfurnitureoutlet.com, time.sh and svadbanaprirode.com.

These name servers are commonly used with earl.ns.cloudflare.com and woz.ns.cloudflare.com and peyton.ns.cloudflare.com.

Host names with six IP numbers:

ali.ns.cloudflare.com points to 2606:4700:50::adf5:3a3b, 2803:f800:50::6ca2:c03b, 2a06:98c1:50::ac40:203b, 108.162.192.59, 172.64.32.59 and 173.245.58.59.

dan.ns.cloudflare.com points to 2606:4700:58::adf5:3b6c, 2803:f800:50::6ca2:c16c, 2a06:98c1:50::ac40:216c, 108.162.193.108, 172.64.33.108 and 173.245.59.108.

uc33.cn - robtex.com

uc33.cn

cn

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

`uc33.cn`

`cn`