duol.eu - robtex.com

duol.eu

DNSSEC⚠️ Not signed
A2606:4700:20::681a:66e🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:20::681a:76e🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:20::ac43:49fb🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.26.6.110Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.26.7.110Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.73.251🇺🇸 Cloudflare172.67.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSchelsea.ns.cloudflare.com ⭐
A2606:4700:50::a29f:26b1🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRchelsea.ns.cloudflare.com
A2803:f800:50::6ca2:c2b1🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRchelsea.ns.cloudflare.com
A2a06:98c1:50::ac40:22b1🇺🇸 Cloudflare2a06:98c1:50::/45
PTRchelsea.ns.cloudflare.com
A108.162.194.177🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRchelsea.ns.cloudflare.com
A162.159.38.177Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRchelsea.ns.cloudflare.com
A172.64.34.177🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRchelsea.ns.cloudflare.com
NSrandy.ns.cloudflare.com
A2606:4700:58::a29f:2c6d🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrandy.ns.cloudflare.com
A2803:f800:50::6ca2:c36d🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRrandy.ns.cloudflare.com
A2a06:98c1:50::ac40:236d🇺🇸 Cloudflare2a06:98c1:50::/45
PTRrandy.ns.cloudflare.com
A108.162.195.109🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrandy.ns.cloudflare.com
A162.159.44.109Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrandy.ns.cloudflare.com
A172.64.35.109🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrandy.ns.cloudflare.com
MXduol-eu.mail.protection.outlook.com ⭐
A2a01:111:f403:ca04::a🇮🇪 Microsoft2a01:111:f000::/36
PTRmail-du0pr03cu00102.inbound.protection.outlook.com
A2a01:111:f403:ca09::1🇳🇱 Microsoft2a01:111:f000::/36
PTRmail-as9pr07cu00301.inbound.protection.outlook.com
A2a01:111:f403:ca09::b🇳🇱 Microsoft2a01:111:f000::/36
PTRmail-am7pr05cu00103.inbound.protection.outlook.com
A2a01:111:f403:ca09::20🇳🇱 Microsoft2a01:111:f000::/36
PTRmail-as8pr05cu00400.inbound.protection.outlook.com
A52.101.68.12🇮🇪 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-db9pr02cu00204.inbound.protection.outlook.com
A52.101.68.16🇮🇪 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-db4pr02cu00400.inbound.protection.outlook.com
A52.101.68.29🇮🇪 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-dbapr03cu00105.inbound.protection.outlook.com
A52.101.73.15🇳🇱 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-am9pr04cu00107.inbound.protection.outlook.com
TXTMS=ms12275203
TXTMS=ms65855029
TXTv=spf1 +a +mx include:spf.protection.outlook.com include:spf-de.emailsignatur...
HTTPSHTTP/2 ✓ hints match
IPv4 hints104.26.6.110, 104.26.7.110, 172.67.73.251
IPv6 hints2606:4700:20::681a:66e, 2606:4700:20::681a:76e, 2606:4700:20::ac43:49fb
SOAchelsea.ns.cloudflare.comdns@cloudflare.com serial=2401303825

eu

DNSSEC🔒 Signed (DS record present)
NSsi.dns.eu ⭐
NSbe.dns.eu
NSw.dns.eu
NSx.dns.eu
NSy.dns.eu
SOAsi.dns.eutech@eurid.eu serial=1123216781

Subdomains

www.duol.eu

Same first word

duol.com
duol.hu
duol.ru
duol.com.br
duol.eu
duol.org
duol.si
duol.com.tr
duol.net

Similar names

loud.cl
doul.com.cn
loud.wtf
loud.eu
loud.ie
ldou.net
dolu.info
ulod.com
ludo.net
odul.org
ludo.ai
loud.com
loud.pl
lduo.net
dlou.cn
ldou.cn
ludo.team
loud.report
odul.fr
dolu.cz
uldo.de
loud.se
ludo.com
oldu.de
dulo.com
dlou.net
loud.red
loud.it
ludo.ca
lodu.ch
lodu.ru
oldu.fr
dolu.fr
loud.biz
odul.net
odul.us
odlu.com
loud.nl
loud.bz
loud.company
dulo.com.cn
dolu.space
loud.com.au
dlou.com.br
ludo.pl
dulo.nl
loud.ca
loud.ir
doul.net
ludo.co
ldou.com
doul.de
dulo.de
loud.gg
dolu.dk
udol.ru
dolu.duckdns.org
ludo.nl
uldo.kr
loud.com.mx
lodu.fr
uldo.org
loud.ch
loud.services
odul.de
loud.cc
odul.com.tr
odul.com
lodu.de
loud.co.in
dulo.it
loud.be
loud.africa
dolu.com
loud.jp
loud.in
dulo.rocks
ludo.lv
odlu.de
uldo.eu
ludo.is
loud.software
loud.ly
uldo.com
loud.ru
loud.es
dulo.hu
oldu.com
ludo.one
loud.com.cn
loud.net
loud.vc
uold.com
dolu.az
loud.ro

DNS History

13 records (9 active, 4 former)

20162017201820192020202120222023202420252026NSchelsea.ns.cloudflare.comrandy.ns.cloudflare.comdns1.domovanje.comdns2.domovanje.comMXduol-eu.mail.protection.outlook.comduol-si.mail.protection.outlook.comA104.26.6.110104.26.7.110172.67.73.2512606:4700:20::681a:66e2606:4700:20::681a:76e2606:4700:20::ac43:49fb212.44.99.164
●NSchelsea.ns.cloudflare.com2026-04-09 → 2026-04-13 · 3 obs
○ 2017-09-14 09:20:02
● 2026-04-09 01:25:24
● 2026-04-13 01:15:26
○NSdns1.domovanje.com2015-06-05 → 2017-09-14 · 4 obs
● 2015-06-05 03:02:22
● 2017-09-14 09:20:02
○ 2026-04-09 01:25:24
○ 2026-04-13 01:15:26
○NSdns2.domovanje.com2015-06-05 → 2017-09-14 · 4 obs
● 2015-06-05 03:02:22
● 2017-09-14 09:20:02
○ 2026-04-09 01:25:24
○ 2026-04-13 01:15:26
●NSrandy.ns.cloudflare.com2026-04-09 → 2026-04-13 · 3 obs
○ 2017-09-14 09:20:02
● 2026-04-09 01:25:24
● 2026-04-13 01:15:26
●MXduol-eu.mail.protection.outlook.com2017-03-11 → 2026-04-13 · 3 obs
○ 2016-12-30 08:16:26
● 2017-03-11 00:11:56
● 2026-04-13 01:15:26
○MXduol-si.mail.protection.outlook.com2015-06-05 → 2016-12-30 · 4 obs
● 2015-06-05 03:02:22
● 2016-12-30 08:16:26
○ 2017-03-11 00:11:56
○ 2026-04-13 01:15:26
●A104.26.6.1102026-04-09 → 2026-04-13 · 3 obs
○ 2017-09-14 09:20:02
● 2026-04-09 01:25:24
● 2026-04-13 01:15:26
●A104.26.7.1102026-04-09 → 2026-04-13 · 3 obs
○ 2017-09-14 09:20:02
● 2026-04-09 01:25:24
● 2026-04-13 01:15:26
●A172.67.73.2512026-04-09 → 2026-04-13 · 3 obs
○ 2017-09-14 09:20:02
● 2026-04-09 01:25:24
● 2026-04-13 01:15:26
○A212.44.99.1642015-06-05 → 2017-09-14 · 4 obs
● 2015-06-05 03:02:22
● 2017-09-14 09:20:02
○ 2026-04-09 01:25:24
○ 2026-04-13 01:15:26
●A2606:4700:20::681a:66e2026-04-09 → 2026-04-13 · 3 obs
○ 2017-09-14 09:20:02
● 2026-04-09 01:25:24
● 2026-04-13 01:15:26
●A2606:4700:20::681a:76e2026-04-09 → 2026-04-13 · 3 obs
○ 2017-09-14 09:20:02
● 2026-04-09 01:25:24
● 2026-04-13 01:15:26
●A2606:4700:20::ac43:49fb2026-04-09 → 2026-04-13 · 3 obs
○ 2017-09-14 09:20:02
● 2026-04-09 01:25:24
● 2026-04-13 01:15:26

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
eube.dns.eu, x.dns.eu, y.dns.eu, w.dns.eu...-
duol.eurandy.ns.cloudflare.com, chelsea.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.194.177

NS records: randy.ns.cloudflare.com, chelsea.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for duol.eu (unsigned zone)

⏱️ Timing

Total: 625ms | Queries: -

📄 Records

TypeCountSample Data
A3172.67.73.251, 104.26.7.110...
AAAA32606:4700:20::681a:66e, 2606:4700:20::681a:76e...
NS2chelsea.ns.cloudflare.com, randy.ns.cloudflare.com
MX1duol-eu.mail.protection.outlook.com (pri
TXT3MS=ms12275203, MS=ms65855029...
HTTPS1{"priority":1,"target":".","alpn":["h2"]
SOA1chelsea.ns.cloudflare.com dns.cloudflare

Analysis

Hierarchy

The parent of www.duol.eu is duol.eu.

IP Addresses

duol.eu resolves to six IP numbers: 2606:4700:20::681a:66e, 2606:4700:20::681a:76e, 2606:4700:20::ac43:49fb, 104.26.6.110, 104.26.7.110 and 172.67.73.251.

Other host names, for instance dogechain.info, mnn.sharedcount.com, janayugomonline.com, diamondsbyme.fr and www.duol.eu share IP numbers with duol.eu.

Name Servers

Two name servers chelsea.ns.cloudflare.com and randy.ns.cloudflare.com handle delegation for duol.eu.

duol.eu uses the same name server setup as other domains, for example histvideo.com, noregal.com.mx, postel.od.ua, flandal.com and bobutterlincoln.net.

duol.eu partially shares name servers with other domains; examples include sodo65.cc, risman.ir, privat-(0x736578).info, gigspotting.net and casinoonlinechile.net.

These name servers are often used with the name servers dale.ns.cloudflare.com and ursula.ns.cloudflare.com.

Host names with six IP numbers: chelsea.ns.cloudflare.com points to: 2606:4700:50::a29f:26b1, 2803:f800:50::6ca2:c2b1, 2a06:98c1:50::ac40:22b1, 108.162.194.177, 162.159.38.177 and 172.64.34.177; randy.ns.cloudflare.com points to: 2606:4700:58::a29f:2c6d, 2803:f800:50::6ca2:c36d, 2a06:98c1:50::ac40:236d, 108.162.195.109, 162.159.44.109 and 172.64.35.109.

Mail Servers

duol.eu is handled by a single mail server, duol-eu.mail.protection.outlook.com.

Hostname duol-eu.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:ca04::a, 2a01:111:f403:ca09::1, 2a01:111:f403:ca09::b, 2a01:111:f403:ca09::20, 52.101.68.12, 52.101.68.16, 52.101.68.29 and 52.101.73.15.