`lcua.cn`

DNSSEC	⚠️ Not signed
A	2606:4700:3036::6815:38a6^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:bb2d^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.56.166^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.187.45^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`gene.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a9e^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gene.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c09e^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`gene.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:209e^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`gene.ns.cloudflare.com`
		A	108.162.192.158^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gene.ns.cloudflare.com`
		A	172.64.32.158^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gene.ns.cloudflare.com`
		A	173.245.58.158^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gene.ns.cloudflare.com`
NS	`renan.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c3e^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`renan.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c33e^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`renan.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:233e^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`renan.ns.cloudflare.com`
		A	108.162.195.62^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`renan.ns.cloudflare.com`
		A	162.159.44.62^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`renan.ns.cloudflare.com`
		A	172.64.35.62^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`renan.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.56.166, 172.67.187.45
		IPv6 hints	2606:4700:3036::6815:38a6, 2606:4700:3037::ac43:bb2d
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=145, name=cloudflare-ech.com
SOA	`gene.ns.cloudflare.com`dns@cloudflare.com serial=2410278236

`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 2035-11-16 #15

Same first word

lcua.cn

lcua.info

lcua.org

Similar names

luca.be

calu.se

ucal.jp

clua.eu

cula.de

cual.ru

aulc.cn

luca.org

calu.net

ualc.shop

clau.es

clua.cn

aclu.cn

clau.eu

calu.it

lacu.de

calu.me

luca.tc

calu.at

ucal.eu

calu.eu

calu.nl

calu.ch

calu.dk

cula.me

ucla.com

aclu.ru

aluc.tv

acul.eu

ucla.la

luca.su

luca.lu

ucla.net

caul.net

calu.io

luca.systems

lacu.ru

ucla.me

calu.cl

ucal.pe

ualc.de

ucal.in

luca.com.mx

luca.at

ucla.to

aluc.co

lacu.info

aulc.com

ucla.institute

alcu.com.ph

ucla.edu

ualc.ru

ucal.edu.pe

calu.sk

luca.lk

cual.cn

ucal.pt

luac.edu.hk

luca.lv

luac.net

cual.com

ulac.org

luca.com.tr

ualc.org

ulac.lt

cual.jp

cual.es

ucla.life

aulc.org

cual.org

calu.be

aluc.com.br

ucla.github.io

lacu.co

cula.jp

cula.org

luca.run

ucla.edu.mx

lauc.net

luca.earth

caul.org

luca.ie

calu.co

uacl.co.nz

ulac.ru

cula.ca

ucla.fund

luac.lv

luca.co

cula.cn

ucal.ru

cual.sakura.ne.jp

aluc.ru

cual.co.za

aclu.com

luca.ro

ucal.com

aluc.lu

DNS History

15 records (6 active, 9 former)

○NSdns10.hichina.com2016-12-18 → 2016-12-18 · 3 obs

● 2016-12-18 09:46:38
○ 2026-06-23 06:19:18
○ 2026-07-30 15:13:38

○NSdns9.hichina.com2016-12-18 → 2016-12-18 · 3 obs

● 2016-12-18 09:46:38
○ 2026-06-23 06:19:18
○ 2026-07-30 15:13:38

●NSgene.ns.cloudflare.com2026-07-30 → 2026-07-30 · 3 obs

○ 2026-06-23 06:19:18
● 2026-07-30 15:13:36
● 2026-07-30 15:13:38

○NSmonroe.ns.cloudflare.com2026-06-23 → 2026-06-23 · 4 obs

○ 2016-12-18 09:46:38
● 2026-06-23 06:19:18
○ 2026-07-30 15:13:36
○ 2026-07-30 15:13:38

●NSrenan.ns.cloudflare.com2026-07-30 → 2026-07-30 · 3 obs

○ 2026-06-23 06:19:18
● 2026-07-30 15:13:36
● 2026-07-30 15:13:38

○NSrodrigo.ns.cloudflare.com2026-06-23 → 2026-06-23 · 4 obs

○ 2016-12-18 09:46:38
● 2026-06-23 06:19:18
○ 2026-07-30 15:13:36
○ 2026-07-30 15:13:38

●A104.21.56.1662026-07-30 → 2026-07-30 · 3 obs

○ 2026-07-20 19:10:38
● 2026-07-30 15:13:36
● 2026-07-30 15:13:38

○A104.21.64.672026-06-23 → 2026-06-27 · 6 obs

○ 2016-12-18 09:46:38
● 2026-06-23 06:19:18
○ 2026-06-24 10:20:48
● 2026-06-27 11:14:12
○ 2026-07-20 19:10:38
○ 2026-07-30 15:13:38

○A172.67.177.832026-06-23 → 2026-06-27 · 6 obs

○ 2016-12-18 09:46:38
● 2026-06-23 06:19:18
○ 2026-06-24 10:20:48
● 2026-06-27 11:14:12
○ 2026-07-20 19:10:38
○ 2026-07-30 15:13:38

●A172.67.187.452026-07-30 → 2026-07-30 · 3 obs

○ 2026-07-20 19:10:38
● 2026-07-30 15:13:36
● 2026-07-30 15:13:38

○A2606:4700:3031::6815:40432026-06-23 → 2026-06-27 · 6 obs

○ 2016-12-18 09:46:38
● 2026-06-23 06:19:18
○ 2026-06-24 10:20:48
● 2026-06-27 11:14:12
○ 2026-07-20 19:10:38
○ 2026-07-30 15:13:38

○A2606:4700:3035::ac43:b1532026-06-23 → 2026-06-27 · 6 obs

○ 2016-12-18 09:46:38
● 2026-06-23 06:19:18
○ 2026-06-24 10:20:48
● 2026-06-27 11:14:12
○ 2026-07-20 19:10:38
○ 2026-07-30 15:13:38

●A2606:4700:3036::6815:38a62026-07-30 → 2026-07-30 · 3 obs

○ 2026-07-20 19:10:38
● 2026-07-30 15:13:36
● 2026-07-30 15:13:38

●A2606:4700:3037::ac43:bb2d2026-07-30 → 2026-07-30 · 3 obs

○ 2026-07-20 19:10:38
● 2026-07-30 15:13:36
● 2026-07-30 15:13:38

○A47.89.58.322016-12-18 → 2016-12-18 · 3 obs

● 2016-12-18 09:46:38
○ 2026-06-23 06:19:18
○ 2026-07-30 15:13:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	c.dns.cn, d.dns.cn, a.dns.cn, e.dns.cn...	-
lcua.cn	gene.ns.cloudflare.com, renan.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.192.158

NS records: gene.ns.cloudflare.com, renan.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for lcua.cn (unsigned zone)

⏱️ Timing

Total: 525ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.187.45, 104.21.56.166`
AAAA	2	`2606:4700:3036::6815:38a6, 2606:4700:3037::ac43:bb2d`
NS	2	`gene.ns.cloudflare.com, renan.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`gene.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

lcua.cn has four IP addresses: 104.21.56.166, 172.67.187.45, 2606:4700:3036::6815:38a6 and 2606:4700:3037::ac43:bb2d.

cyprusdentists.com, elmasoglu.com.tr, semi.v5aegas9nk.com and two other host names share IP numbers with lcua.cn.

Name Servers

lcua.cn is served by two delegated name servers, gene.ns.cloudflare.com and renan.ns.cloudflare.com.

lcua.cn uses the same name servers as several other domains — among them lmh5201314.com, hqdm.cn, chinalinge.com and two more.

lcua.cn has at least partial name server overlap with other domains, such as duqisw.com, nymph.net, hyxx032.cc and two others.

It is common to find these name servers paired with the name servers ian.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

gene.ns.cloudflare.com carries IP addresses 108.162.192.158, 172.64.32.158 and 173.245.58.158, with 3 other addresses beyond those.

renan.ns.cloudflare.com carries IP addresses 108.162.195.62, 162.159.44.62 and 172.64.35.62, with 3 other addresses beyond those.

lcua.cn - robtex.com

lcua.cn

cn

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

`lcua.cn`

`cn`