duplex.cool - dns.ninja

duplex.cool

DNSSEC⚠️ Not signed
A2001:8d8:100f:f000::200🇩🇪 IONOS-AS2001:8d8::/32 DE-IONOS-20020910
PTR2001-08d8-100f-f000-0000-0000-0000-0200.elastic-ssl.ui-r.com
A217.160.0.175🇩🇪 IONOS-AS217.160.0.0/16 IONOS-PA-3
NSdocks09.rzone.de ⭐
A2001:8d8:fe:53:5747:2a74:d:9🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRdocks09.rzone.de
A217.160.80.136🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRdocks09.rzone.de
NSshades04.rzone.de
A2607:f1c0:fe:53:185:132:34:131🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US
PTRshades04.rzone.de
A185.132.34.131🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)
PTRshades04.rzone.de
MXsmtpin.rzone.de ⭐
A2a01:238:20a:202:50f0::1097🇩🇪 STRATO2a01:238:20a::/48 Strato AG
PTRsmtpin.rzone.de
A81.169.145.97🇩🇪 STRATO81.169.144.0/22 AG
PTRsmtpin.rzone.de
SOAdocks09.rzone.dehostmaster@strato-rz.de 2020-06-14 #15

cool

DNSSEC🔒 Signed (DS record present)
NSv0n0.nic.cool ⭐
NSv0n1.nic.cool
NSv0n2.nic.cool
NSv0n3.nic.cool
NSv2n0.nic.cool
NSv2n1.nic.cool
SOAv0n0.nic.coolhostmaster@donuts.email serial=1785312537

Same first word

duplex.bg
duplex.dk
duplex.net.au
duplex.cz
duplex.link
duplex.co
duplex.biz
duplex.lv
duplex.be
duplex.ph
duplex.co.at
duplex.net
duplex.co.za
duplex.ru
duplex.nyc
duplex.ba
duplex.cool
duplex.com.pl
duplex.work
duplex.ws
duplex.me
duplex.io
duplex.pl
duplex.com.pt
duplex.at
duplex.es
duplex.com.au
duplex.com.my
duplex.se
duplex.ch
duplex.ca
duplex.co.uk
duplex.in
duplex.it
duplex.com.es
duplex.ad
duplex.com.gt
duplex.com.uy
duplex.one
duplex.rent
duplex.com
duplex.sk

Similar names

pudlex.pl
duxpel.com
lpxedu.com
pdluxe.com
luxdep.com
lxpedu.com
edplux.com

DNS History

7 records (5 active, 2 former)

2017201820192020202120222023202420252026NSdocks09.rzone.deshades04.rzone.deMXsmtpin.rzone.deA2001:8d8:100f:f000::200217.160.0.1752a01:238:20a:202:1090::81.169.145.90
●NSdocks09.rzone.de2016-12-10 → 2026-07-29 · 2 obs
● 2016-12-10 20:58:00
● 2026-07-29 09:05:14
●NSshades04.rzone.de2016-12-10 → 2026-07-29 · 2 obs
● 2016-12-10 20:58:00
● 2026-07-29 09:05:14
●MXsmtpin.rzone.de2016-12-10 → 2026-07-29 · 2 obs
● 2016-12-10 20:58:00
● 2026-07-29 09:05:14
●A2001:8d8:100f:f000::2002026-04-09 → 2026-07-29 · 3 obs
○ 2016-12-10 20:58:00
● 2026-04-09 01:24:28
● 2026-07-29 09:05:14
●A217.160.0.1752026-04-09 → 2026-07-29 · 3 obs
○ 2016-12-10 20:58:00
● 2026-04-09 01:24:28
● 2026-07-29 09:05:14
○A2a01:238:20a:202:1090::2016-12-10 → 2016-12-10 · 3 obs
● 2016-12-10 20:58:00
○ 2026-04-09 01:24:28
○ 2026-07-29 09:05:14
○A81.169.145.902016-12-10 → 2016-12-10 · 3 obs
● 2016-12-10 20:58:00
○ 2026-04-09 01:24:28
○ 2026-07-29 09:05:14

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coolv0n0.nic.cool, v0n1.nic.cool, v0n2.nic.cool, v0n3.nic.cool...12 records
duplex.coolshades04.rzone.de, docks09.rzone.de-

✅ Authoritative Response

Server:185.132.34.131

NS records: shades04.rzone.de, docks09.rzone.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for duplex.cool (unsigned zone)

⏱️ Timing

Total: 517ms | Queries: -

📄 Records

TypeCountSample Data
A1217.160.0.175
AAAA12001:8d8:100f:f000::200
NS2docks09.rzone.de, shades04.rzone.de
MX1smtpin.rzone.de (pri: 5)
SOA1docks09.rzone.de hostmaster.strato-rz.de

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (v0n0.nic.cool, v0n0.nic.cool, v0n1.nic.cool...)

Analysis

IP Addresses

duplex.cool resolves to the IP addresses 217.160.0.175 and 2001:8d8:100f:f000::200

Among the host names that share IP numbers with duplex.cool are lecoudi.fr, www.sv24.info, its-lubos.de and two others.

Name Servers

duplex.cool has two authoritative name servers — docks09.rzone.de and shades04.rzone.de.

duplex.cool has the same name server delegation as a number of other domains, such as okortman.de, bigus.de, moosverein.de and two more.

duplex.cool has at least partial name server overlap with other domains, such as (0x736578)kamera.info, variance.de, 10amsee.de and two others.

shades12.rzone.de, shades05.rzone.de and shades13.rzone.de — plus 7 other name servers — are commonly paired with these name servers.

Both docks09.rzone.de and shades04.rzone.de have two IP addresses each. docks09.rzone.de resolves to 217.160.80.136 and 2001:8d8:fe:53:5747:2a74:d:9; shades04.rzone.de resolves to 185.132.34.131 and 2607:f1c0:fe:53:185:132:34:131.

Mail Servers

duplex.cool routes its mail through a single mail server, smtpin.rzone.de.

duplex.cool has the same mail server arrangement as a number of other domains, for example naturheilpraxis-buettner.de, dacomb.org, dstnet.de and two more.

smtpin.rzone.de has two IP addresses: 81.169.145.97 and 2a01:238:20a:202:50f0::1097.