`mut.lu`

DNSSEC	🔒 Signed (DS record present)
A	2606:4700:3033::ac43:8acf^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::6815:3685^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.54.133^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.138.207^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`mark.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b82^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mark.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c182^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`mark.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2182^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`mark.ns.cloudflare.com`
		A	108.162.193.130^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mark.ns.cloudflare.com`
		A	172.64.33.130^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mark.ns.cloudflare.com`
		A	173.245.59.130^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mark.ns.cloudflare.com`
NS	`ulla.ns.cloudflare.com`
		A	2606:4700:50::adf5:3ae9^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ulla.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0e9^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`ulla.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20e9^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`ulla.ns.cloudflare.com`
		A	108.162.192.233^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ulla.ns.cloudflare.com`
		A	172.64.32.233^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ulla.ns.cloudflare.com`
		A	173.245.58.233^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ulla.ns.cloudflare.com`
MX	`mut-lu.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::b^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-dbbpr03cu00103.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::e^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db8pr02cu00106.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::f^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db7pr03cu00507.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::3^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am6pr04cu00303.inbound.protection.outlook.com`
		A	52.101.68.3^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db7pr03cu00403.inbound.protection.outlook.com`
		A	52.101.68.5^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-du2pr03cu00105.inbound.protection.outlook.com`
		A	52.101.73.15^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am9pr04cu00107.inbound.protection.outlook.com`
		A	52.101.73.19^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-as8pr04cu00803.inbound.protection.outlook.com`
TXT	`MS=ms56080833`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.54.133, 172.67.138.207
		IPv6 hints	2606:4700:3033::ac43:8acf, 2606:4700:3035::6815:3685
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=31, name=cloudflare-ech.com
SOA	`mark.ns.cloudflare.com`dns@cloudflare.com serial=2402639338

`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 02:01:01`
	SOA	`ns1.dns.lu`noc@restena.lu serial=1778284872

Same first word

mut.fr

mut.web.tr

mut.cl

mut.cat

mut.ac.th

mut.es

mut.ch

mut.co.at

mut.mobi

mut.jetzt

mut.gov.tr

mut.lu

mut.com

mut.or.at

mut.info

mut.us

mut.bel.tr

mut.li

mut.center

mut.gmbh

mut.one

mut.org.mt

mut.it

mut.cc

mut.co.uk

mut.ag

mut.gg

mut.myds.me

mut.co

mut.de

mut.ac.za

mut.se

mut.fi

mut.ac.ke

mut.nl

mut.be

mut.org

mut.hu

mut.co.jp

mut.biz

mut.pl

mut.ac.ir

mut.ac

mut.st

mut.in.th

mut.ru

mut.net

mut.vn

mut.no

mut.ro

mut.agency

mut.at

mut.kim

mut.edu.vn

mut.camp

mut.eu

Similar names

utm.dog

tum.com

mtu.one

utm.ro

utm.ae

tum.im

tum.dk

umt.ro

tum.cn

tmu.ca

umt.hr

tmu.edu.vn

umt.be

utm.az

umt.hu

mtu.ru

tmu.ac.in

tum.cash

tmu.cz

tmu.com.mx

utm.dk

utm.ac

mtu.in

utm.in.ua

umt.ca

umt.org.uk

umt.ac.th

utm.edu.mo

tum.social

mtu.net

tmu.co

utm.org.ua

tmu.nl

tmu.fi

umt.com.uy

umt.ua

tum.ws

tum.at

utm.is

umt.com.cn

mtu.dk

tum.cz

mtu.com.br

utm.su

tum.company

mtu.co.jp

umt.de

utm.codes

utm.expert

tum.(0x736578)y

utm.academy

umt.co

utm.it

utm.mx

tum.se

tmu.be

tum.com.br

utm.com.pl

tmu.org

tmu.edu.in

tum.co.uk

tmu.ch

utm.ch

mtu.events

mtu.gov.ua

umt.ru

mtu.expert

mtu.guru

utm.at

umt.net.au

umt.no

tum.by

mtu.edu.iq

tmu.pl

umt.cn

mtu.be

utm.es

tum.ru

tmu.com.ua

utm.fyi

DNS History

15 records (7 active, 8 former)

●NSmark.ns.cloudflare.com2026-02-17 → 2026-05-09 · 3 obs

○ 2017-10-11 11:12:34
● 2026-02-17 06:43:12
● 2026-05-09 00:53:38

○NSns1.mutluarici.com2015-10-30 → 2017-10-11 · 4 obs

● 2015-10-30 01:31:46
● 2017-10-11 11:12:34
○ 2026-02-17 06:43:12
○ 2026-05-09 00:53:38

○NSns2.mutluarici.com2015-10-30 → 2017-10-11 · 4 obs

● 2015-10-30 01:31:46
● 2017-10-11 11:12:34
○ 2026-02-17 06:43:12
○ 2026-05-09 00:53:38

●NSulla.ns.cloudflare.com2026-02-17 → 2026-05-09 · 3 obs

○ 2017-10-11 11:12:34
● 2026-02-17 06:43:12
● 2026-05-09 00:53:38

○MXmail.mut.lu2015-10-30 → 2017-10-11 · 4 obs

● 2015-10-30 01:31:46
● 2017-10-11 11:12:34
○ 2026-02-17 06:43:12
○ 2026-05-09 00:53:38

●MXmut-lu.mail.protection.outlook.com2026-02-17 → 2026-05-09 · 3 obs

○ 2017-10-11 11:12:34
● 2026-02-17 06:43:12
● 2026-05-09 00:53:38

●A104.21.54.1332026-02-17 → 2026-05-09 · 7 obs

○ 2017-10-11 11:12:34
● 2026-02-17 06:43:12
● 2026-02-27 13:57:18
○ 2026-03-16 18:41:26
○ 2026-04-13 13:07:02
● 2026-04-25 08:23:06
● 2026-05-09 00:53:38

●A172.67.138.2072026-02-17 → 2026-05-09 · 7 obs

○ 2017-10-11 11:12:34
● 2026-02-17 06:43:12
● 2026-02-27 13:57:18
○ 2026-03-16 18:41:26
○ 2026-04-13 13:07:02
● 2026-04-25 08:23:06
● 2026-05-09 00:53:38

○A188.114.96.02026-03-16 → 2026-04-13 · 5 obs

○ 2026-02-27 13:57:18
● 2026-03-16 18:41:26
● 2026-04-13 13:07:02
○ 2026-04-25 08:23:06
○ 2026-05-09 00:53:38

○A188.114.97.02026-03-16 → 2026-04-13 · 5 obs

○ 2026-02-27 13:57:18
● 2026-03-16 18:41:26
● 2026-04-13 13:07:02
○ 2026-04-25 08:23:06
○ 2026-05-09 00:53:38

●A2606:4700:3033::ac43:8acf2026-02-17 → 2026-05-09 · 7 obs

○ 2017-10-11 11:12:34
● 2026-02-17 06:43:12
● 2026-02-27 13:57:18
○ 2026-03-16 18:41:26
○ 2026-04-13 13:07:02
● 2026-04-25 08:23:06
● 2026-05-09 00:53:38

●A2606:4700:3035::6815:36852026-02-17 → 2026-05-09 · 7 obs

○ 2017-10-11 11:12:34
● 2026-02-17 06:43:12
● 2026-02-27 13:57:18
○ 2026-03-16 18:41:26
○ 2026-04-13 13:07:02
● 2026-04-25 08:23:06
● 2026-05-09 00:53:38

○A2a06:98c1:3120::2026-03-16 → 2026-04-13 · 5 obs

○ 2026-02-27 13:57:18
● 2026-03-16 18:41:26
● 2026-04-13 13:07:02
○ 2026-04-25 08:23:06
○ 2026-05-09 00:53:38

○A2a06:98c1:3121::2026-03-16 → 2026-04-13 · 5 obs

○ 2026-02-27 13:57:18
● 2026-03-16 18:41:26
● 2026-04-13 13:07:02
○ 2026-04-25 08:23:06
○ 2026-05-09 00:53:38

○A77.223.143.412015-10-30 → 2017-10-11 · 4 obs

● 2015-10-30 01:31:46
● 2017-10-11 11:12:34
○ 2026-02-17 06:43:12
○ 2026-05-09 00:53:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
lu	p.dns.lu, ns1.dns.lu, g.dns.lu, j.dns.lu...	-
mut.lu	ulla.ns.cloudflare.com, mark.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.32.233

NS records: ulla.ns.cloudflare.com, mark.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 810ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.54.133, 172.67.138.207`
AAAA	2	`2606:4700:3035::6815:3685, 2606:4700:3033::ac43:8acf`
NS	2	`mark.ns.cloudflare.com, ulla.ns.cloudflare.com`
MX	1	`mut-lu.mail.protection.outlook.com (pri:`
TXT	2	`MS=ms56080833, v=spf1 include:spf.protection.outlook.co`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`mark.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

mut.lu maps to four IP numbers: 2606:4700:3033::ac43:8acf, 2606:4700:3035::6815:3685, 104.21.54.133 and 172.67.138.207.

Other host names, for instance cnzirui.com, www.mostaddictive.net, urbanpoker825.com, hoctiengduc.org and modernreelsplatform.com share IP numbers with mut.lu.

Name Servers

Two name servers mark.ns.cloudflare.com and ulla.ns.cloudflare.com handle delegation for mut.lu.

mut.lu uses the same name server setup as other domains, for example reportebravos.com, varun.ch, evgr.org, kirloskarbd.com and magicmender.com.

mut.lu partially shares name servers with other domains; examples include edestaquebrasilia.com.br, simplefoodservices.com, incubecustomize.com, nvkasino.com and chiangkan.go.th.

These name servers are often used with the name servers clay.ns.cloudflare.com and princess.ns.cloudflare.com.

Host names with six IP numbers: mark.ns.cloudflare.com points to: 2606:4700:58::adf5:3b82, 2803:f800:50::6ca2:c182, 2a06:98c1:50::ac40:2182, 108.162.193.130, 172.64.33.130 and 173.245.59.130; ulla.ns.cloudflare.com points to: 2606:4700:50::adf5:3ae9, 2803:f800:50::6ca2:c0e9, 2a06:98c1:50::ac40:20e9, 108.162.192.233, 172.64.32.233 and 173.245.58.233.

Mail Servers

mut.lu is handled by a single mail server, mut-lu.mail.protection.outlook.com.

Hostname mut-lu.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:ca04::b, 2a01:111:f403:ca04::e, 2a01:111:f403:ca04::f, 2a01:111:f403:ca09::3, 52.101.68.3, 52.101.68.5, 52.101.73.15 and 52.101.73.19.

mut.lu - robtex.com

mut.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

`mut.lu`

`lu`