`react.lu`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::6815:1f4b^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:af45^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.31.75^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.175.69^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`heidi.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:26ec^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`heidi.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2ec^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`heidi.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22ec^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`heidi.ns.cloudflare.com`
		A	108.162.194.236^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`heidi.ns.cloudflare.com`
		A	162.159.38.236^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`heidi.ns.cloudflare.com`
		A	172.64.34.236^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`heidi.ns.cloudflare.com`
NS	`micah.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bce^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`micah.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1ce^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`micah.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21ce^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`micah.ns.cloudflare.com`
		A	108.162.193.206^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`micah.ns.cloudflare.com`
		A	172.64.33.206^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`micah.ns.cloudflare.com`
		A	173.245.59.206^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`micah.ns.cloudflare.com`
MX	`mx1.improvmx.com` ⭐
		A	2a05:d012:412:e201:88aa:e7b9:7a43:12d7^{🇫🇷 Amazon2a05:d012:400::/38 AMAZON AWS}
		A	2a05:d012:412:e202:f36:2c1f:1a49:d38a^{🇫🇷 Amazon2a05:d012:400::/38 AMAZON AWS}
		A	2a05:d012:412:e203:373a:f51a:4a85:1d25^{🇫🇷 Amazon2a05:d012:400::/38 AMAZON AWS}
		A	13.37.195.136^{🇫🇷 Amazon13.36.0.0/14 EC2 CDG Prefix}
			PTR	`ec2-13-37-195-136.eu-west-3.compute.amazonaws.com`
		A	15.236.236.160^{🇫🇷 Amazon15.236.0.0/15 EC2 CDG prefix}
			PTR	`ec2-15-236-236-160.eu-west-3.compute.amazonaws.com`
		A	35.181.18.45^{🇫🇷 Amazon35.181.0.0/16 EC2 CDG prefix}
			PTR	`ec2-35-181-18-45.eu-west-3.compute.amazonaws.com`
MX	`mx2.improvmx.com`⁽²⁰⁾
		A	2a05:d012:412:e201:1f6e:f6e4:8fd7:4678^{🇫🇷 Amazon2a05:d012:400::/38 AMAZON AWS}
		A	2a05:d012:412:e202:e81e:cc44:3b53:8a3d^{🇫🇷 Amazon2a05:d012:400::/38 AMAZON AWS}
		A	2a05:d012:412:e203:7e33:3d9c:28d7:ee20^{🇫🇷 Amazon2a05:d012:400::/38 AMAZON AWS}
		A	13.36.107.63^{🇫🇷 Amazon13.36.0.0/14 EC2 CDG Prefix}
			PTR	`ec2-13-36-107-63.eu-west-3.compute.amazonaws.com`
		A	13.36.222.39^{🇫🇷 Amazon13.36.0.0/14 EC2 CDG Prefix}
			PTR	`ec2-13-36-222-39.eu-west-3.compute.amazonaws.com`
		A	15.236.61.92^{🇫🇷 Amazon15.236.0.0/15 EC2 CDG prefix}
			PTR	`ec2-15-236-61-92.eu-west-3.compute.amazonaws.com`
TXT	`v=spf1 include:spf.improvmx.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.31.75, 172.67.175.69
		IPv6 hints	2606:4700:3032::6815:1f4b, 2606:4700:3035::ac43:af45
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=252, name=cloudflare-ech.com
SOA	`heidi.ns.cloudflare.com`dns@cloudflare.com serial=2407865064

`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 08:01:02`
	SOA	`1.ns.lu`noc@restena.lu serial=1783234871

Subdomains

www.react.lu

Same first word

react.cz

react.education

react.cash

react.design

react.run

react.express

react.com

react.id

react.no

react.fm

react.ru

react.app

react.ir

react.cn

react.me

react.media

react.com.sg

react.gg

react.asia

react.org

react.school

react.guide

react.network

react.to

react.group

react.rocks

react.cc

react.rodeo

react.ly

react.at

react.ag

react.tips

react.net.au

react.uk.com

react.bot

react.co.nz

react.services

react.io

react.lv

react.domains

react.gr

react.hk

react.university

react.community

react.doctor

react.org.cn

react.technology

react.london

react.lu

react.com.ua

react.dk

react.mobi

react.com.ar

react.courses

react.com.br

react.fi

react.live

react.or.ke

react.pl

react.coffee

react.lighting

react.amsterdam

react.org.ph

react.christmas

react.nl

react.net

react.la

react.dev

react.pt

react.tokyo

react.international

react.parts

react.co

react.it

react.email

react.careers

react.re

react.tempurl.host

react.su

react.bz

react.expert

react.li

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ceart.kr

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ecart.ae

terca.hu

crate.cafe

trace.codes

cetra.com.pl

creat.no

creta.gr

tecar.it

tcrea.org

caret.jp

trace.estate

cater.one

creta.co

tecra.ch

caret.com

terca.ch

tacer.gmbh

ectra.fr

acert.org

treca.net

cater.la

artec.com

trace.org.mx

acert.asia

ecart.chat

terca.click

caret.cn

ecart.cl

trace.international

acter.com.cn

tacer.biz

catre.dk

carte.bingo

artec.pro

carte.eu

creta.info

tacer.eu

carte.gg

carte.fi

creat.ru

ecart.org

tcare.app

ratec.dk

trace.guru

crate.media

carte.com.ar

trace.com.au

certa.su

creta.xyz

terac.com

artec.be

trace.com.sa

artec.info

ectar.com

trace.com.br

cetra.org.tw

ecart.dk

acert.in

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cetra.it

trace.land

etrac.com

trace.world

trace.by

caret.co

arcte.com

acter.es

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ecart.company

artec.cl

crate.co.nz

tarce.pl

DNS History

21 records (8 active, 13 former)

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

○ 2021-06-11 15:52:26
● 2026-02-23 15:19:48
● 2026-07-05 07:11:30

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

○ 2021-06-11 15:52:26
● 2026-02-23 15:19:48
● 2026-07-05 07:11:30

○NSns1.bluehost.com2018-05-10 → 2018-05-10 · 3 obs

● 2018-05-10 13:53:00
○ 2021-06-11 15:52:26
○ 2026-07-05 07:11:30

○NSns2.bluehost.com2018-05-10 → 2018-05-10 · 3 obs

● 2018-05-10 13:53:00
○ 2021-06-11 15:52:26
○ 2026-07-05 07:11:30

○NSns6263.hostgator.com2021-06-11 → 2021-06-11 · 4 obs

○ 2018-05-10 13:53:00
● 2021-06-11 15:52:26
○ 2026-02-23 15:19:48
○ 2026-07-05 07:11:30

○NSns6264.hostgator.com2021-06-11 → 2021-06-11 · 4 obs

○ 2018-05-10 13:53:00
● 2021-06-11 15:52:26
○ 2026-02-23 15:19:48
○ 2026-07-05 07:11:30

○MXmail.react.lu2018-05-10 → 2021-06-11 · 4 obs

● 2018-05-10 13:53:00
● 2021-06-11 15:52:26
○ 2026-02-23 15:19:48
○ 2026-07-05 07:11:30

●MXmx1.improvmx.com2026-02-23 → 2026-07-05 · 3 obs

○ 2021-06-11 15:52:26
● 2026-02-23 15:19:48
● 2026-07-05 07:11:30

●MXmx2.improvmx.com2026-02-23 → 2026-07-05 · 3 obs

○ 2021-06-11 15:52:26
● 2026-02-23 15:19:48
● 2026-07-05 07:11:30

●A104.21.31.752026-02-28 → 2026-07-05 · 3 obs

○ 2026-02-23 15:19:48
● 2026-02-28 07:10:38
● 2026-07-05 07:11:30

○A162.241.219.1162018-05-10 → 2018-05-10 · 3 obs

● 2018-05-10 13:53:00
○ 2021-06-11 15:52:26
○ 2026-07-05 07:11:30

●A172.67.175.692026-02-28 → 2026-07-05 · 3 obs

○ 2026-02-23 15:19:48
● 2026-02-28 07:10:38
● 2026-07-05 07:11:30

○A188.114.96.02026-02-23 → 2026-02-23 · 4 obs

○ 2021-06-11 15:52:26
● 2026-02-23 15:19:48
○ 2026-02-28 07:10:38
○ 2026-07-05 07:11:30

○A188.114.97.02026-02-23 → 2026-02-23 · 4 obs

○ 2021-06-11 15:52:26
● 2026-02-23 15:19:48
○ 2026-02-28 07:10:38
○ 2026-07-05 07:11:30

○A192.254.188.2162021-06-11 → 2021-06-11 · 4 obs

○ 2018-05-10 13:53:00
● 2021-06-11 15:52:26
○ 2026-02-23 15:19:48
○ 2026-07-05 07:11:30

○A2606:4700:3030::6815:1f4b2026-02-28 → 2026-02-28 · 4 obs

○ 2026-02-23 15:19:48
● 2026-02-28 07:10:38
○ 2026-07-05 07:11:28
○ 2026-07-05 07:11:30

○A2606:4700:3030::ac43:af452026-02-28 → 2026-02-28 · 4 obs

○ 2026-02-23 15:19:48
● 2026-02-28 07:10:38
○ 2026-07-05 07:11:28
○ 2026-07-05 07:11:30

●A2606:4700:3032::6815:1f4b2026-07-05 → 2026-07-05 · 3 obs

○ 2026-02-28 07:10:38
● 2026-07-05 07:11:28
● 2026-07-05 07:11:30

●A2606:4700:3035::ac43:af452026-07-05 → 2026-07-05 · 3 obs

○ 2026-02-28 07:10:38
● 2026-07-05 07:11:28
● 2026-07-05 07:11:30

○A2a06:98c1:3120::2026-02-23 → 2026-02-23 · 4 obs

○ 2021-06-11 15:52:26
● 2026-02-23 15:19:48
○ 2026-02-28 07:10:38
○ 2026-07-05 07:11:30

○A2a06:98c1:3121::2026-02-23 → 2026-02-23 · 4 obs

○ 2021-06-11 15:52:26
● 2026-02-23 15:19:48
○ 2026-02-28 07:10:38
○ 2026-07-05 07:11:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
lu	p.dns.lu, j.dns.lu, g.dns.lu, k.dns.lu...	14 records
react.lu	heidi.ns.cloudflare.com, micah.ns.cloudflare.com	-

✅ Authoritative Response

Server:162.159.38.236

NS records: heidi.ns.cloudflare.com, micah.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for react.lu (unsigned zone)

⏱️ Timing

Total: 840ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.31.75, 172.67.175.69`
AAAA	2	`2606:4700:3032::6815:1f4b, 2606:4700:3035::ac43:af45`
NS	2	`heidi.ns.cloudflare.com, micah.ns.cloudflare.com`
MX	2	`mx1.improvmx.com (pri: 10), mx2.improvmx.com (pri: 20)`
TXT	1	`v=spf1 include:spf.improvmx.com ~all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`heidi.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 14

In-bailiwick: 14 (p.dns.lu, p.dns.lu, j.dns.lu...)

Analysis

Hierarchy

www.react.lu is a subdomain of react.lu.

IP Addresses

react.lu points to the four IP addresses 104.21.31.75, 172.67.175.69, 2606:4700:3032::6815:1f4b and 2606:4700:3035::ac43:af45.

www.dlffotochiavari.org, nagarkot.net, www.thepeacefund.org and two other host names share IP numbers with react.lu.

Name Servers

react.lu uses two name servers for its delegation: heidi.ns.cloudflare.com and micah.ns.cloudflare.com.

react.lu uses the same name servers as several other domains — among them techinfotree.com, kaushiks.in, accurium.com.au and two more.

The name servers of react.lu overlap at least partially with those of other domains — among them 1706advnow.online, nathanmass.com, bmedical.com.au and two more.

Hostnames that resolve to 6 IP addresses:

Hostname heidi.ns.cloudflare.com directs to 108.162.194.236, 162.159.38.236 and 172.64.34.236 along with 3 other IP addresses.

Hostname micah.ns.cloudflare.com directs to 108.162.193.206, 172.64.33.206 and 173.245.59.206 along with 3 other IP addresses.

Mail Servers

Mail for react.lu is handled by two mail servers — mx1.improvmx.com and mx2.improvmx.com.

react.lu uses an identical mail server configuration to several other domains — among them fatsquirrelmarketing.com, bladderrelief911.com, nieddu.co.uk and two more.

react.lu has at least partial mail server overlap with other domains such as disappointedvirginity.com, verynet.net, scaliolabs.com and two more.

Hostnames that resolve to 6 IP addresses:

Hostname mx1.improvmx.com directs to 13.37.195.136, 15.236.236.160 and 35.181.18.45 along with 3 other IP addresses.

Hostname mx2.improvmx.com directs to 13.36.107.63, 13.36.222.39 and 15.236.61.92 along with 3 other IP addresses.

react.lu - robtex.com

react.lu

lu

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`react.lu`

`lu`