`cu.lu`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:3d81^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:d288^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.61.129^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.210.136^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`alice.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a3c^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alice.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c03c^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`alice.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:203c^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`alice.ns.cloudflare.com`
		A	108.162.192.60^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alice.ns.cloudflare.com`
		A	172.64.32.60^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alice.ns.cloudflare.com`
		A	173.245.58.60^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`alice.ns.cloudflare.com`
NS	`viddy.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c63^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`viddy.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c363^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`viddy.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2363^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`viddy.ns.cloudflare.com`
		A	108.162.195.99^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`viddy.ns.cloudflare.com`
		A	162.159.44.99^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`viddy.ns.cloudflare.com`
		A	172.64.35.99^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`viddy.ns.cloudflare.com`
MX	`mx1.hostinger.com.ua` ⭐
		A	2606:4700:90:0:c1f8:f874:2386:b61f^{🇺🇸 Cloudflare2606:4700:90::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	172.65.182.103^{🇺🇸 Cloudflare172.65.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
MX	`mx2.hostinger.com.ua`⁽¹⁰⁾
		A	2606:4700:90:0:c1f8:f874:2386:b61f^{🇺🇸 Cloudflare2606:4700:90::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	172.65.182.103^{🇺🇸 Cloudflare172.65.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
TXT	`google-site-verification=-piSXXB1VPOXUNSMcrXyRbaE3zC3tQYNMNwRMK8FOZ8`
TXT	`google-site-verification=G7GeYveZR2x2v2UOWbeRTwzIUq2eD3qVDvWKOfKsHS8`
TXT	`v=spf1 include:_spf.mail.hostinger.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.61.129, 172.67.210.136
		IPv6 hints	2606:4700:3031::6815:3d81, 2606:4700:3037::ac43:d288
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=97, name=cloudflare-ech.com
SOA	`alice.ns.cloudflare.com`dns@cloudflare.com serial=2402417082

`lu`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns1.dns.lu` ⭐
	NS	`g.dns.lu`
	NS	`i.dns.lu`
	NS	`j.dns.lu`
	NS	`k.dns.lu`
	NS	`p.dns.lu`
	TXT	`Exported: 2026-05-09 19:01:02`
	SOA	`ns1.dns.lu`noc@restena.lu serial=1778346073

WOT: SAFE (66/100)

Same first word

cu.si

cu.pl

cu.no

cu.st

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cu.vg

cu.tn

cu.com.au

cu.to

cu.kz

cu.my

cu.gs

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Similar names

uc.express

uc.fyi

uc.eu

uc.net

uc.de

uc.tv.br

uc.ly

uc.be

uc.ac.id

uc.edu.py

uc.edu.mx

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uc.org

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uc.edu.ph

uc.kz

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uc.fm

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uc.no

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uc.k12.in.us

uc.qa

uc.com.mx

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uc.wtf

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uc.gg

uc.net.ua

uc.network

uc.money

uc.ie

uc.com

uc.edu.pe

uc.se

uc.com.ua

uc.dk

uc.ee

uc.uy

uc.kr.ua

DNS History

15 records (8 active, 7 former)

●NSalice.ns.cloudflare.com2026-02-21 → 2026-05-09 · 3 obs

○ 2019-10-19 09:55:32
● 2026-02-21 11:48:02
● 2026-05-09 17:47:14

○NSathena.ist.lu2015-08-29 → 2017-01-22 · 4 obs

● 2015-08-29 17:17:02
● 2017-01-22 18:05:56
○ 2019-08-12 19:58:08
○ 2026-05-09 17:47:14

○NSathena.uni.lu2015-08-29 → 2017-01-22 · 4 obs

● 2015-08-29 17:17:02
● 2017-01-22 18:05:56
○ 2019-08-12 19:58:08
○ 2026-05-09 17:47:14

○NSathena2016.ist.lu2019-08-12 → 2019-10-19 · 5 obs

○ 2017-01-22 18:05:56
● 2019-08-12 19:58:08
● 2019-10-19 09:55:32
○ 2026-02-21 11:48:02
○ 2026-05-09 17:47:14

○NSathena2016.uni.lu2019-08-12 → 2019-10-19 · 5 obs

○ 2017-01-22 18:05:56
● 2019-08-12 19:58:08
● 2019-10-19 09:55:32
○ 2026-02-21 11:48:02
○ 2026-05-09 17:47:14

○NSns1.restena.lu2015-08-29 → 2019-10-19 · 4 obs

● 2015-08-29 17:17:02
● 2019-10-19 09:55:32
○ 2026-02-21 11:48:02
○ 2026-05-09 17:47:14

○NSns2.restena.lu2019-08-12 → 2019-10-19 · 5 obs

○ 2017-01-22 18:05:56
● 2019-08-12 19:58:08
● 2019-10-19 09:55:32
○ 2026-02-21 11:48:02
○ 2026-05-09 17:47:14

●NSviddy.ns.cloudflare.com2026-02-21 → 2026-05-09 · 3 obs

○ 2019-10-19 09:55:32
● 2026-02-21 11:48:02
● 2026-05-09 17:47:14

○MXhercules.uni.lu2015-08-29 → 2016-04-18 · 4 obs

● 2015-08-29 17:17:02
● 2016-04-18 13:34:44
○ 2016-05-23 23:46:02
○ 2026-05-09 17:47:14

●MXmx1.hostinger.com.ua2026-02-21 → 2026-05-09 · 3 obs

○ 2016-05-23 23:46:02
● 2026-02-21 11:48:02
● 2026-05-09 17:47:14

●MXmx2.hostinger.com.ua2026-02-21 → 2026-05-09 · 3 obs

○ 2016-05-23 23:46:02
● 2026-02-21 11:48:02
● 2026-05-09 17:47:14

●A104.21.61.1292026-02-21 → 2026-05-09 · 2 obs

● 2026-02-21 11:48:02
● 2026-05-09 17:47:14

●A172.67.210.1362026-02-21 → 2026-05-09 · 2 obs

● 2026-02-21 11:48:02
● 2026-05-09 17:47:14

●A2606:4700:3031::6815:3d812026-02-21 → 2026-05-09 · 2 obs

● 2026-02-21 11:48:02
● 2026-05-09 17:47:14

●A2606:4700:3037::ac43:d2882026-02-21 → 2026-05-09 · 2 obs

● 2026-02-21 11:48:02
● 2026-05-09 17:47:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
lu	g.dns.lu, i.dns.lu, j.dns.lu, k.dns.lu...	-
cu.lu	alice.ns.cloudflare.com, viddy.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.195.99

NS records: alice.ns.cloudflare.com, viddy.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cu.lu (unsigned zone)

⏱️ Timing

Total: 931ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.61.129, 172.67.210.136`
AAAA	2	`2606:4700:3031::6815:3d81, 2606:4700:3037::ac43:d288`
NS	2	`alice.ns.cloudflare.com, viddy.ns.cloudflare.com`
MX	2	`mx2.hostinger.com.ua (pri: 10), mx1.hostinger.com.ua (pri: 5)`
TXT	3	`google-site-verification=-piSXXB1VPOXUNS, google-site-verification=G7GeYveZR2x2v2U...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`alice.ns.cloudflare.com dns.cloudflare.c`

Analysis

IP Addresses

cu.lu maps to four IP numbers: 2606:4700:3031::6815:3d81, 2606:4700:3037::ac43:d288, 104.21.61.129 and 172.67.210.136.

Other host names such as gameliz.com, wallze.com.br, sonmez.net, www.euromar.com.br and flybenefitsnz.com share IPs with cu.lu.

Name Servers

Two name servers alice.ns.cloudflare.com and viddy.ns.cloudflare.com handle the delegation for cu.lu.

cu.lu shares the same name server setup as other domains, for example idsunb.com, radiomotor.no, ecosbolsa.com, bc-avrora.ru and bravelydesigned.com.

cu.lu at least partially shares name servers with other domains, for example nnxnmy.com, parksideresortandspa.com, goharin.com, senorseguidor.es and mxbbrbet-bonus.com.

these name servers commonly pair with jule.ns.cloudflare.com, toby.ns.cloudflare.com, piotr.ns.cloudflare.com and martin.ns.cloudflare.com.

Host names with six IP numbers:

alice.ns.cloudflare.com points to 2606:4700:50::adf5:3a3c, 2803:f800:50::6ca2:c03c, 2a06:98c1:50::ac40:203c, 108.162.192.60, 172.64.32.60 and 173.245.58.60.

viddy.ns.cloudflare.com points to 2606:4700:58::a29f:2c63, 2803:f800:50::6ca2:c363, 2a06:98c1:50::ac40:2363, 108.162.195.99, 162.159.44.99 and 172.64.35.99.

Mail Servers

Two mail servers handle cu.lu: mx1.hostinger.com.ua and mx2.hostinger.com.ua.

cu.lu shares the same mail server setup as other domains, including uz-venezia.com, jurist.kh.ua, vip-club.hr, consys.com.ua and eli-canada.com.

cu.lu shares at least partially some mail servers with other domains, for instance khmilnyk-cerkva.com, yarko.dp.ua, megadar.com.ua, laser-time.com and gasend.com.

Names with two IPs:

mx1.hostinger.com.ua points to: 2606:4700:90:0:c1f8:f874:2386:b61f and 172.65.182.103.

mx2.hostinger.com.ua points to: 2606:4700:90:0:c1f8:f874:2386:b61f and 172.65.182.103.

Names pointing to 2606:4700:90:0:c1f8:f874:2386:b61f: mx1.hostinger.com.ua and mx2.hostinger.com.ua.

Names pointing to 172.65.182.103: mx1.hostinger.com.ua and mx2.hostinger.com.ua.

cu.lu - robtex.com

cu.lu

lu

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`cu.lu`

`lu`