react.lu - robtex.com

react.lu

DNSSEC⚠️ Not signed
A2606:4700:3032::6815:1f4b🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::ac43:af45🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.31.75Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.175.69🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSheidi.ns.cloudflare.com ⭐
A2606:4700:50::a29f:26ec🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRheidi.ns.cloudflare.com
A2803:f800:50::6ca2:c2ec🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRheidi.ns.cloudflare.com
A2a06:98c1:50::ac40:22ec🇺🇸 Cloudflare2a06:98c1:50::/45
PTRheidi.ns.cloudflare.com
A108.162.194.236🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRheidi.ns.cloudflare.com
A162.159.38.236Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRheidi.ns.cloudflare.com
A172.64.34.236🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRheidi.ns.cloudflare.com
NSmicah.ns.cloudflare.com
A2606:4700:58::adf5:3bce🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmicah.ns.cloudflare.com
A2803:f800:50::6ca2:c1ce🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRmicah.ns.cloudflare.com
A2a06:98c1:50::ac40:21ce🇺🇸 Cloudflare2a06:98c1:50::/45
PTRmicah.ns.cloudflare.com
A108.162.193.206🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmicah.ns.cloudflare.com
A172.64.33.206🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmicah.ns.cloudflare.com
A173.245.59.206🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmicah.ns.cloudflare.com
MXmx1.improvmx.com ⭐
A2a05:d012:412:e201:88aa:e7b9:7a43:12d7🇫🇷 Amazon2a05:d012:400::/38 AMAZON AWS
A2a05:d012:412:e202:f36:2c1f:1a49:d38a🇫🇷 Amazon2a05:d012:400::/38 AMAZON AWS
A2a05:d012:412:e203:373a:f51a:4a85:1d25🇫🇷 Amazon2a05:d012:400::/38 AMAZON AWS
A13.37.195.136🇫🇷 Amazon13.36.0.0/14 EC2 CDG Prefix
PTRec2-13-37-195-136.eu-west-3.compute.amazonaws.com
A15.236.236.160🇫🇷 Amazon15.236.0.0/15 EC2 CDG prefix
PTRec2-15-236-236-160.eu-west-3.compute.amazonaws.com
A35.181.18.45🇫🇷 Amazon35.181.0.0/16 EC2 CDG prefix
MXmx2.improvmx.com(20)
A2a05:d012:412:e201:1f6e:f6e4:8fd7:4678🇫🇷 Amazon2a05:d012:400::/38 AMAZON AWS
A2a05:d012:412:e202:e81e:cc44:3b53:8a3d🇫🇷 Amazon2a05:d012:400::/38 AMAZON AWS
A2a05:d012:412:e203:7e33:3d9c:28d7:ee20🇫🇷 Amazon2a05:d012:400::/38 AMAZON AWS
A13.36.107.63🇫🇷 Amazon13.36.0.0/14 EC2 CDG Prefix
PTRec2-13-36-107-63.eu-west-3.compute.amazonaws.com
A13.36.222.39🇫🇷 Amazon13.36.0.0/14 EC2 CDG Prefix
PTRec2-13-36-222-39.eu-west-3.compute.amazonaws.com
A15.236.61.92🇫🇷 Amazon15.236.0.0/15 EC2 CDG prefix
PTRec2-15-236-61-92.eu-west-3.compute.amazonaws.com
TXTv=spf1 include:spf.improvmx.com ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.31.75, 172.67.175.69
IPv6 hints2606:4700:3032::6815:1f4b, 2606:4700:3035::ac43:af45
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=6, name=cloudflare-ech.com
SOAheidi.ns.cloudflare.comdns@cloudflare.com serial=2410311041

lu

DNSSEC🔒 Signed (DS record present)
NS1.ns.lu ⭐
NSg.dns.lu
NSi.dns.lu
NSj.dns.lu
NSk.dns.lu
NSp.dns.lu
NSr.ns.lu
TXTExported: 2026-08-11 08:01:01
SOA1.ns.lunoc@restena.lu serial=1786428072

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.ru
react.app
react.ir
react.cn
react.me
react.media
react.com.sg
react.gg
react.org
react.school
react.guide
react.network
react.to
react.agency
react.group
react.rocks
react.cc
react.rodeo
react.ly
react.at
react.ag
react.tips
react.net.au
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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DNS History

21 records (8 active, 13 former)

20192020202120222023202420252026NSheidi.ns.cloudflare.commicah.ns.cloudflare.comns1.bluehost.comns2.bluehost.comns6263.hostgator.comns6264.hostgator.comMXmx1.improvmx.commx2.improvmx.commail.react.luA104.21.31.75172.67.175.692606:4700:3032::6815:1f4b2606:4700:3035::ac43:af45162.241.219.116188.114.96.0188.114.97.0192.254.188.2162606:4700:3030::6815:1f4b2606:4700:3030::ac43:af452a06:98c1:3120::2a06:98c1:3121::
●NSheidi.ns.cloudflare.com2026-02-23 → 2026-08-11 · 3 obs
○ 2021-06-11 15:52:26
● 2026-02-23 15:19:48
● 2026-08-11 07:02:40
●NSmicah.ns.cloudflare.com2026-02-23 → 2026-08-11 · 3 obs
○ 2021-06-11 15:52:26
● 2026-02-23 15:19:48
● 2026-08-11 07:02:40
○NSns1.bluehost.com2018-05-10 → 2018-05-10 · 3 obs
● 2018-05-10 13:53:00
○ 2021-06-11 15:52:26
○ 2026-08-11 07:02:40
○NSns2.bluehost.com2018-05-10 → 2018-05-10 · 3 obs
● 2018-05-10 13:53:00
○ 2021-06-11 15:52:26
○ 2026-08-11 07:02:40
○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
○ 2026-08-11 07:02:40
○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
○ 2026-08-11 07:02:40
○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
○ 2026-08-11 07:02:40
●MXmx1.improvmx.com2026-02-23 → 2026-08-11 · 3 obs
○ 2021-06-11 15:52:26
● 2026-02-23 15:19:48
● 2026-08-11 07:02:40
●MXmx2.improvmx.com2026-02-23 → 2026-08-11 · 3 obs
○ 2021-06-11 15:52:26
● 2026-02-23 15:19:48
● 2026-08-11 07:02:40
●A104.21.31.752026-02-28 → 2026-08-11 · 7 obs
○ 2026-02-23 15:19:48
● 2026-02-28 07:10:38
○ 2026-07-09 12:36:36
● 2026-07-23 00:17:26
○ 2026-08-10 22:45:18
● 2026-08-11 06:38:24
● 2026-08-11 07:02:40
○A162.241.219.1162018-05-10 → 2018-05-10 · 3 obs
● 2018-05-10 13:53:00
○ 2021-06-11 15:52:26
○ 2026-08-11 07:02:40
●A172.67.175.692026-02-28 → 2026-08-11 · 7 obs
○ 2026-02-23 15:19:48
● 2026-02-28 07:10:38
○ 2026-07-09 12:36:36
● 2026-07-23 00:17:26
○ 2026-08-10 22:45:18
● 2026-08-11 06:38:24
● 2026-08-11 07:02:40
○A188.114.96.02026-02-23 → 2026-08-10 · 8 obs
○ 2021-06-11 15:52:26
● 2026-02-23 15:19:48
○ 2026-02-28 07:10:38
● 2026-07-09 12:36:36
○ 2026-07-23 00:17:26
● 2026-08-10 22:45:18
○ 2026-08-11 06:38:24
○ 2026-08-11 07:02:40
○A188.114.97.02026-02-23 → 2026-08-10 · 8 obs
○ 2021-06-11 15:52:26
● 2026-02-23 15:19:48
○ 2026-02-28 07:10:38
● 2026-07-09 12:36:36
○ 2026-07-23 00:17:26
● 2026-08-10 22:45:18
○ 2026-08-11 06:38:24
○ 2026-08-11 07:02:40
○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
○ 2026-08-11 07:02:40
○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
○ 2026-08-11 07:02:40
○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
○ 2026-08-11 07:02:40
●A2606:4700:3032::6815:1f4b2026-07-05 → 2026-08-11 · 7 obs
○ 2026-02-28 07:10:38
● 2026-07-05 07:11:28
○ 2026-07-09 12:36:36
● 2026-07-23 00:17:26
○ 2026-08-10 22:45:18
● 2026-08-11 06:38:24
● 2026-08-11 07:02:40
●A2606:4700:3035::ac43:af452026-07-05 → 2026-08-11 · 7 obs
○ 2026-02-28 07:10:38
● 2026-07-05 07:11:28
○ 2026-07-09 12:36:36
● 2026-07-23 00:17:26
○ 2026-08-10 22:45:18
● 2026-08-11 06:38:24
● 2026-08-11 07:02:40
○A2a06:98c1:3120::2026-02-23 → 2026-08-10 · 8 obs
○ 2021-06-11 15:52:26
● 2026-02-23 15:19:48
○ 2026-02-28 07:10:38
● 2026-07-09 12:36:36
○ 2026-07-23 00:17:26
● 2026-08-10 22:45:18
○ 2026-08-11 06:38:24
○ 2026-08-11 07:02:40
○A2a06:98c1:3121::2026-02-23 → 2026-08-10 · 8 obs
○ 2021-06-11 15:52:26
● 2026-02-23 15:19:48
○ 2026-02-28 07:10:38
● 2026-07-09 12:36:36
○ 2026-07-23 00:17:26
● 2026-08-10 22:45:18
○ 2026-08-11 06:38:24
○ 2026-08-11 07:02:40

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
lu1.ns.lu, g.dns.lu, i.dns.lu, j.dns.lu...-
react.luheidi.ns.cloudflare.com, micah.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.33.206

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: 927ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.31.75, 172.67.175.69
AAAA22606:4700:3032::6815:1f4b, 2606:4700:3035::ac43:af45
NS2heidi.ns.cloudflare.com, micah.ns.cloudflare.com
MX2mx1.improvmx.com (pri: 10), mx2.improvmx.com (pri: 20)
TXT1v=spf1 include:spf.improvmx.com ~all
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1heidi.ns.cloudflare.com dns.cloudflare.c

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.

nagarkot.net, www.thepeacefund.org, aisathletics.ae 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.

These name servers commonly appear alongside the name servers summer.ns.cloudflare.com and jaziel.ns.cloudflare.com.

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 partially shares its mail servers with other domains — including disappointedvirginity.com, verynet.net, scaliolabs.com and img-sprzedajemy.pl.

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.