duplex.ch - dns.ninja

`duplex.ch`

DNSSEC	🔒 Signed (DS record present)
A	80.74.142.140^{🇨🇭 ASN-METANET80.74.128.0/20 METANET AG, part of group.one}
		PTR	`victorinus.ch-meta.net`
NS	`ch.pro.io` ⭐
		A	2a01:64c0:0:5000::19^{🇩🇪 CLOUDPIT2a01:64c0::/32}
			PTR	`ch.pro.io`
		A	109.237.142.19^{🇩🇪 CLOUDPIT109.237.128.0/20}
			PTR	`ch.pro.io`
NS	`nl.pro.io`
		A	2a01:4f8:fff3:66::219^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`nl.pro.io`
		A	176.9.166.219^{🇩🇪 Hetzner176.9.0.0/16 HETZNER-RZ-FKS-BLK4}
			PTR	`nl.pro.io`
NS	`p.dnh.net`
		A	2a02:2b80:101:5000::19^{🇩🇪 CLOUDPIT2a02:2b80:101::/48}
			PTR	`p.dnh.net`
		A	109.237.143.19^{🇩🇪 CLOUDPIT109.237.128.0/20}
			PTR	`p.dnh.net`
SOA	`ch.pro.io`hostmaster@duplex.ch 2018-09-18 #1

`ch`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.nic.ch` ⭐
	NS	`b.nic.ch`
	NS	`d.nic.ch`
	NS	`e.nic.ch`
	NS	`f.nic.ch`
	SOA	`a.nic.ch`dns-operation@switch.ch 2026-07-31 #30

Same first word

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

duplex.bg

duplex.dk

duplex.net.au

duplex.cz

duplex.link

duplex.co

duplex.biz

Similar names

edplux.com

pudlex.pl

duxpel.com

lpxedu.com

pdluxe.com

luxdep.com

lxpedu.com

DNS History

6 records (4 active, 2 former)

●NSch.pro.io2026-02-20 → 2026-07-31 · 3 obs

○ 2017-03-30 09:07:40
● 2026-02-20 21:13:42
● 2026-07-31 13:43:06

●NSnl.pro.io2026-02-20 → 2026-07-31 · 3 obs

○ 2017-03-30 09:07:40
● 2026-02-20 21:13:42
● 2026-07-31 13:43:06

○NSns1.dynamic-net.ch2015-06-07 → 2017-03-30 · 4 obs

● 2015-06-07 00:10:52
● 2017-03-30 09:07:40
○ 2026-02-20 21:13:42
○ 2026-07-31 13:43:06

○NSns2.dynamic-net.ch2015-06-07 → 2017-03-30 · 4 obs

● 2015-06-07 00:10:52
● 2017-03-30 09:07:40
○ 2026-02-20 21:13:42
○ 2026-07-31 13:43:06

●NSp.dnh.net2026-02-20 → 2026-07-31 · 3 obs

○ 2017-03-30 09:07:40
● 2026-02-20 21:13:42
● 2026-07-31 13:43:06

●A80.74.142.1402026-02-20 → 2026-07-31 · 2 obs

● 2026-02-20 21:13:42
● 2026-07-31 13:43:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ch	a.nic.ch, b.nic.ch, d.nic.ch, e.nic.ch...	-
duplex.ch	nl.pro.io, p.dnh.net, ch.pro.io	-

✅ Authoritative Response

Server:109.237.142.19

NS records: nl.pro.io, p.dnh.net, ch.pro.io

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1041ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`80.74.142.140`
NS	3	`p.dnh.net, ch.pro.io...`
SOA	1	`ch.pro.io hostmaster.duplex.ch`

Analysis

IP Addresses

duplex.ch directs to one IP number, which is 80.74.142.140.

Among the host names that share IP numbers with duplex.ch are thermoplex.ch, fuehrungsberatung.com, mail.datenform.ch and two others.

Name Servers

DNS for duplex.ch is handled by three authoritative name servers: ch.pro.io, nl.pro.io and p.dnh.net.

The name servers of duplex.ch overlap at least partially with those of other domains — among them kloten-flames.ch, sprossimmobilien.ch, anoy.ch and two more.

Three hostnames — ch.pro.io, nl.pro.io and p.dnh.net — each have two IP addresses: ch.pro.io has 109.237.142.19 and 2a01:64c0:0:5000::19, nl.pro.io has 176.9.166.219 and 2a01:4f8:fff3:66::219, and p.dnh.net has 109.237.143.19 and 2a02:2b80:101:5000::19.