cpu.lu - dns.ninja

`cpu.lu`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:92f0^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::6815:1cb0^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.28.176^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.146.240^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`rita.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a8c^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rita.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c08c^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`rita.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:208c^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`rita.ns.cloudflare.com`
		A	108.162.192.140^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rita.ns.cloudflare.com`
		A	172.64.32.140^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rita.ns.cloudflare.com`
		A	173.245.58.140^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rita.ns.cloudflare.com`
NS	`woz.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b96^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`woz.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c196^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`woz.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2196^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`woz.ns.cloudflare.com`
		A	108.162.193.150^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`woz.ns.cloudflare.com`
		A	172.64.33.150^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`woz.ns.cloudflare.com`
		A	173.245.59.150^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`woz.ns.cloudflare.com`
MX	`edgar.cpu.lu` ⭐
		A	2a01:239:2fd:b200::1^{🇩🇪 IONOS-AS2a01:239::/32 IONOS SE ber.de}
			PTR	`edgar.cpu.lu`
		A	82.165.116.65^{🇩🇪 IONOS-AS82.165.0.0/16 IONOS-PA-4}
			PTR	`edgar.cpu.lu`
TXT	`google-site-verification=bhwrMc9svF--u4dVOljrkPeHwWI-_S7pEayeFx47D5k`
TXT	`v=spf1 mx -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.28.176, 172.67.146.240
		IPv6 hints	2606:4700:3030::ac43:92f0, 2606:4700:3034::6815:1cb0
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=67, name=cloudflare-ech.com
SOA	`rita.ns.cloudflare.com`dns@cloudflare.com serial=2407158099

`lu`

	DNSSEC	🔒 Signed (DS record present)
	NS	`1.ns.lu` ⭐
	NS	`g.dns.lu`
	NS	`i.dns.lu`
	NS	`j.dns.lu`
	NS	`k.dns.lu`
	NS	`p.dns.lu`
	NS	`r.ns.lu`
	TXT	`Exported: 2026-07-05 02:01:01`
	SOA	`1.ns.lu`noc@restena.lu serial=1783209672

WOT: SAFE (67/100)

Subdomains

www.cpu.lu

mcp.cpu.lu

edgar.cpu.lu

Same first word

cpu.ovh

cpu.center

cpu.ie

cpu.com.my

cpu.ca

cpu.land

cpu.io

cpu.si

cpu.qc.ca

cpu.me

cpu.hu

cpu.org.il

cpu.com.tr

cpu.expert

cpu.uno

cpu.vg

cpu.edu.ec

cpu.sk

cpu.host

cpu.re

cpu.su

cpu.lublin.pl

cpu.us

cpu.ninja

cpu.cl

cpu.mx

cpu.co.uk

cpu.mobi

cpu.rs

cpu.by

cpu.tv

cpu.de

cpu.pl

cpu.com.uy

cpu.co.kr

cpu.services

cpu.careers

cpu.co

cpu.ac.kr

cpu.fi

cpu.org.ba

cpu.rent

cpu.lu

cpu.biz

cpu.nl

cpu.ac.th

cpu.dk

cpu.edu.tw

cpu.red

cpu.kr

cpu.hk

cpu.blue

cpu.am

cpu.cc

cpu.net

cpu.community

cpu.edu.cn

cpu.ru

cpu.ro

cpu.blog.br

cpu.vn

cpu.bz

cpu.ba

cpu.lt

cpu.com.tw

cpu.pt

cpu.be

cpu.com.ar

cpu.one

cpu.edu.hk

cpu.edu

cpu.tel

cpu.ee

cpu.co.id

cpu.guru

cpu.at

cpu.edu.ph

cpu.com.cn

cpu.com.au

cpu.fr

cpu.gr

cpu.com

cpu.moe

cpu.gov.mo

Similar names

upc.community

upc.net.ua

cup.se

cup.edu.uy

ucp.su

cup.my

cup.gr

ucp.com.au

pcu.mobi

cup.la

puc.info

puc.style

ucp.edu.co

cup.net.au

upc.it

ucp.info

cup.football

pcu.tv

cup.net

upc.cn

upc.edu.ar

ucp.co.kr

puc.today

pcu.edu.mx

ucp.io

upc.edu.mn

pcu.ru

upc.pe

upc.gov.ae

pcu.org

upc.ltd

upc.co.za

pcu.com.ph

cup.si

puc.no

upc.mobi

upc.pl

ucp.no

ucp.org

cup.world

puc.org.au

cup.name

upc.tax

puc.com

upc.com.tw

puc.fm

puc.mobi

pcu.gr

upc.ac.in

ucp.jp

upc.ro

puc.edu

puc.or.kr

ucp.edu.ar

upc.com.sa

puc.shopping

puc.clothing

puc.paris

cup.com.cn

upc.kz

upc.de

upc.nu

puc.life

cup.edu.in

cup.center

pcu.ie

puc.jp

upc.life

cup.nl

cup.org.mk

upc.co.hu

upc.ir

cup.ee

ucp.group

cup.ms

cup.edu.cn

puc.it

puc.be

cup.at

DNS History

21 records (7 active, 14 former)

○NShestia.cetrel.net2009-01-09 → 2017-10-08 · 4 obs

● 2009-01-09 19:22:58
● 2017-10-08 07:32:06
○ 2026-02-23 21:45:52
○ 2026-07-05 00:29:08

○NSns1.pt.lu2009-01-09 → 2017-10-08 · 4 obs

● 2009-01-09 19:22:58
● 2017-10-08 07:32:06
○ 2026-02-23 21:45:52
○ 2026-07-05 00:29:08

●NSrita.ns.cloudflare.com2026-02-23 → 2026-07-05 · 3 obs

○ 2017-10-08 07:32:06
● 2026-02-23 21:45:52
● 2026-07-05 00:29:08

○NSvesta.cetrel.net2009-01-09 → 2017-10-08 · 4 obs

● 2009-01-09 19:22:58
● 2017-10-08 07:32:06
○ 2026-02-23 21:45:52
○ 2026-07-05 00:29:08

●NSwoz.ns.cloudflare.com2026-02-23 → 2026-07-05 · 3 obs

○ 2017-10-08 07:32:06
● 2026-02-23 21:45:52
● 2026-07-05 00:29:08

●MXedgar.cpu.lu2026-02-23 → 2026-07-05 · 3 obs

○ 2017-10-08 07:32:06
● 2026-02-23 21:45:52
● 2026-07-05 00:29:08

○MXmcp.cpu.lu2015-08-26 → 2017-10-08 · 5 obs

○ 2009-01-09 19:22:58
● 2015-08-26 12:18:42
● 2017-10-08 07:32:06
○ 2026-02-23 21:45:52
○ 2026-07-05 00:29:08

○MXpoison.cetrel.lu2009-01-09 → 2009-01-09 · 3 obs

● 2009-01-09 19:22:58
○ 2015-08-26 12:18:42
○ 2026-07-05 00:29:08

○MXtoxin.cetrel.lu2009-01-09 → 2009-01-09 · 3 obs

● 2009-01-09 19:22:58
○ 2015-08-26 12:18:42
○ 2026-07-05 00:29:08

●A104.21.28.1762026-02-23 → 2026-07-05 · 6 obs

○ 2017-10-08 07:32:06
● 2026-02-23 21:45:52
● 2026-05-22 06:20:56
○ 2026-06-24 01:51:22
● 2026-07-05 00:29:06
● 2026-07-05 00:29:08

●A172.67.146.2402026-02-23 → 2026-07-05 · 6 obs

○ 2017-10-08 07:32:06
● 2026-02-23 21:45:52
● 2026-05-22 06:20:56
○ 2026-06-24 01:51:22
● 2026-07-05 00:29:06
● 2026-07-05 00:29:08

○A188.114.96.02026-06-24 → 2026-06-24 · 5 obs

○ 2026-02-23 21:45:52
○ 2026-05-22 06:20:56
● 2026-06-24 01:51:22
○ 2026-07-05 00:29:06
○ 2026-07-05 00:29:08

○A188.114.97.02026-06-24 → 2026-06-24 · 5 obs

○ 2026-02-23 21:45:52
○ 2026-05-22 06:20:56
● 2026-06-24 01:51:22
○ 2026-07-05 00:29:06
○ 2026-07-05 00:29:08

○A2001:41d0:8:1915:e::22015-08-26 → 2017-10-08 · 5 obs

○ 2009-01-09 19:22:58
● 2015-08-26 12:18:42
● 2017-10-08 07:32:06
○ 2026-02-23 21:45:52
○ 2026-07-05 00:29:08

●A2606:4700:3030::ac43:92f02026-07-05 → 2026-07-05 · 3 obs

○ 2026-06-24 01:51:22
● 2026-07-05 00:29:06
● 2026-07-05 00:29:08

●A2606:4700:3034::6815:1cb02026-07-05 → 2026-07-05 · 3 obs

○ 2026-06-24 01:51:22
● 2026-07-05 00:29:06
● 2026-07-05 00:29:08

○A2606:4700:3035::6815:1cb02026-02-23 → 2026-05-22 · 5 obs

○ 2017-10-08 07:32:06
● 2026-02-23 21:45:52
● 2026-05-22 06:20:56
○ 2026-06-24 01:51:22
○ 2026-07-05 00:29:08

○A2606:4700:3037::ac43:92f02026-02-23 → 2026-05-22 · 5 obs

○ 2017-10-08 07:32:06
● 2026-02-23 21:45:52
● 2026-05-22 06:20:56
○ 2026-06-24 01:51:22
○ 2026-07-05 00:29:08

○A2a06:98c1:3120::2026-06-24 → 2026-06-24 · 5 obs

○ 2026-02-23 21:45:52
○ 2026-05-22 06:20:56
● 2026-06-24 01:51:22
○ 2026-07-05 00:29:06
○ 2026-07-05 00:29:08

○A2a06:98c1:3121::2026-06-24 → 2026-06-24 · 5 obs

○ 2026-02-23 21:45:52
○ 2026-05-22 06:20:56
● 2026-06-24 01:51:22
○ 2026-07-05 00:29:06
○ 2026-07-05 00:29:08

○A5.135.126.1612015-08-26 → 2017-10-08 · 5 obs

○ 2009-01-09 19:22:58
● 2015-08-26 12:18:42
● 2017-10-08 07:32:06
○ 2026-02-23 21:45:52
○ 2026-07-05 00:29:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
lu	i.dns.lu, p.dns.lu, 1.ns.lu, j.dns.lu...	14 records
cpu.lu	woz.ns.cloudflare.com, rita.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.59.150

NS records: woz.ns.cloudflare.com, rita.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cpu.lu (unsigned zone)

⏱️ Timing

Total: 862ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.146.240, 104.21.28.176`
AAAA	2	`2606:4700:3034::6815:1cb0, 2606:4700:3030::ac43:92f0`
NS	2	`rita.ns.cloudflare.com, woz.ns.cloudflare.com`
MX	1	`edgar.cpu.lu (pri: 10)`
TXT	2	`google-site-verification=bhwrMc9svF--u4d, v=spf1 mx -all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`rita.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 14

In-bailiwick: 14 (1.ns.lu, g.dns.lu, i.dns.lu...)

Analysis

Hierarchy

cpu.lu is a parent domain, with www.cpu.lu, mcp.cpu.lu and edgar.cpu.lu beneath it.

IP Addresses

cpu.lu has four IP addresses: 104.21.28.176, 172.67.146.240, 2606:4700:3030::ac43:92f0 and 2606:4700:3034::6815:1cb0.

phartoonz.com, mail.kawule.com, muteav.com and two other host names share IP numbers with cpu.lu.

Name Servers

The NS records for cpu.lu delegate to rita.ns.cloudflare.com and woz.ns.cloudflare.com.

cpu.lu uses the same name servers as several other domains — among them waterloogardens.com, vaelox.com, rtp-gacordora.pages.dev and two more.

cpu.lu has at least partial name server overlap with other domains, such as knizhki.xyz, istanbulmap360.com, audi-club.dk and two others.

It is common to see these name servers used together with name servers tim.ns.cloudflare.com and carl.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

rita.ns.cloudflare.com maps to 108.162.192.140, 172.64.32.140, 173.245.58.140 and 3 additional IP addresses.

woz.ns.cloudflare.com maps to 108.162.193.150, 172.64.33.150, 173.245.59.150 and 3 additional IP addresses.

Mail Servers

Mail for cpu.lu is handled by a single mail server, edgar.cpu.lu.

edgar.cpu.lu has two IP addresses: 82.165.116.65 and 2a01:239:2fd:b200::1.