oliverduerr.ch - robtex.com

oliverduerr.ch

DNSSEC⚠️ Not signed
A2a0e:f0c0:1:23::5200🇨🇭 FREY-AS2a0e:f0c0::/29
A185.117.169.144🇨🇭 FREY-AS185.117.168.0/22 OptimaNet Schweiz AG
NSns01.hostfactory.ch ⭐
A2a0e:f0c0:1:13:c::10🇨🇭 FREY-AS2a0e:f0c0::/29
PTRns01.hostfactory.ch
A185.117.168.140🇨🇭 FREY-AS185.117.168.0/22 OptimaNet Schweiz AG
PTRns01.hostfactory.ch
NSns02.hostfactory.ch
A2a03:da41:d::11🇨🇭 SERVERBASE2a03:da41::/32 ServerBase AG, Switzerland
PTRns02.hostfactory.ch
A156.67.10.18🇨🇭 SERVERBASE156.67.8.0/22 ServerBase AG, Switzerland
PTRns02.hostfactory.ch
MXmx1.hostfactory.ch ⭐
A185.16.174.135🇨🇭 SERVERBASE185.16.172.0/22 ServerBase AG, Switzerland
PTRasave03.hostfactory.ch
A217.150.252.154🇨🇭 NINE217.150.240.0/20 Nine Internet Solutions AG, Switzerland
PTRasave02.hostfactory.ch
MXmx2.hostfactory.swiss(20)
A185.16.174.139🇨🇭 SERVERBASE185.16.172.0/22 ServerBase AG, Switzerland
PTRasave03.hostfactory.ch
A217.150.252.155🇨🇭 NINE217.150.240.0/20 Nine Internet Solutions AG, Switzerland
PTRasave02.hostfactory.ch
MXmx3.hostfactory.ch(30)
A185.16.174.139🇨🇭 SERVERBASE185.16.172.0/22 ServerBase AG, Switzerland
PTRasave03.hostfactory.ch
A217.150.252.155🇨🇭 NINE217.150.240.0/20 Nine Internet Solutions AG, Switzerland
PTRasave02.hostfactory.ch
MXmx4.hostfactory.swiss(40)
A185.16.174.139🇨🇭 SERVERBASE185.16.172.0/22 ServerBase AG, Switzerland
PTRasave03.hostfactory.ch
A217.150.252.155🇨🇭 NINE217.150.240.0/20 Nine Internet Solutions AG, Switzerland
PTRasave02.hostfactory.ch
TXTv=spf1 a:spf.hostfactory.ch -all
SOAns01.hostfactory.choliver\@duerr.hs-esslingen.de 2025-12-04 #5

ch

DNSSEC🔒 Signed (DS record present)
NSa.nic.ch ⭐
NSb.nic.ch
NSd.nic.ch
NSe.nic.ch
NSf.nic.ch
SOAa.nic.chdns-operation@switch.ch 2026-06-22 #10

Subdomains

mail.oliverduerr.ch

Same first word

oliverduerr.ch

DNS History

10 records (8 active, 2 former)

20162017201820192020202120222023202420252026NSns01.hostfactory.chns02.hostfactory.chMXmx1.hostfactory.chmx2.hostfactory.swissmx3.hostfactory.chmx4.hostfactory.swissmail.oliverduerr.chA185.117.169.1442a0e:f0c0:1:23::520062.146.13.171
●NSns01.hostfactory.ch2015-07-09 → 2026-06-22 · 2 obs
● 2015-07-09 17:07:26
● 2026-06-22 03:34:20
●NSns02.hostfactory.ch2015-07-09 → 2026-06-22 · 2 obs
● 2015-07-09 17:07:26
● 2026-06-22 03:34:20
○MXmail.oliverduerr.ch2015-07-09 → 2016-04-19 · 4 obs
● 2015-07-09 17:07:26
● 2016-04-19 22:45:34
○ 2018-07-10 10:35:34
○ 2026-06-22 03:34:20
●MXmx1.hostfactory.ch2018-07-10 → 2026-06-22 · 3 obs
○ 2016-04-19 22:45:34
● 2018-07-10 10:35:34
● 2026-06-22 03:34:20
●MXmx2.hostfactory.swiss2018-07-10 → 2026-06-22 · 3 obs
○ 2016-04-19 22:45:34
● 2018-07-10 10:35:34
● 2026-06-22 03:34:20
●MXmx3.hostfactory.ch2018-07-10 → 2026-06-22 · 3 obs
○ 2016-04-19 22:45:34
● 2018-07-10 10:35:34
● 2026-06-22 03:34:20
●MXmx4.hostfactory.swiss2018-07-10 → 2026-06-22 · 3 obs
○ 2016-04-19 22:45:34
● 2018-07-10 10:35:34
● 2026-06-22 03:34:20
●A185.117.169.1442018-07-10 → 2026-06-22 · 3 obs
○ 2016-04-19 22:45:34
● 2018-07-10 10:35:34
● 2026-06-22 03:34:20
●A2a0e:f0c0:1:23::52002026-06-14 → 2026-06-22 · 3 obs
○ 2018-07-10 10:35:34
● 2026-06-14 13:16:34
● 2026-06-22 03:34:20
○A62.146.13.1712015-07-09 → 2016-04-19 · 4 obs
● 2015-07-09 17:07:26
● 2016-04-19 22:45:34
○ 2018-07-10 10:35:34
○ 2026-06-22 03:34:20

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cha.nic.ch, b.nic.ch, d.nic.ch, e.nic.ch...-
oliverduerr.chns02.hostfactory.ch, ns01.hostfactory.ch4 records

✅ Authoritative Response

Server:185.117.168.140

NS records: ns02.hostfactory.ch, ns01.hostfactory.ch

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1155ms | Queries: -

📄 Records

TypeCountSample Data
A1185.117.169.144
AAAA12a0e:f0c0:1:23::5200
NS2ns01.hostfactory.ch, ns02.hostfactory.ch
MX4mx1.hostfactory.ch (pri: 10), mx4.hostfactory.swiss (pri: 40)...
TXT1v=spf1 a:spf.hostfactory.ch -all
SOA1ns01.hostfactory.ch oliver\.duerr.hs-ess

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns02.hostfactory.ch, ns01.hostfactory.ch, ns02.hostfactory.ch...)

Analysis

Hierarchy

The domain mail.oliverduerr.ch falls under the parent oliverduerr.ch.

IP Addresses

oliverduerr.ch points to the IP addresses 185.117.169.144 and 2a0e:f0c0:1:23::5200

Among the host names that share IP numbers with oliverduerr.ch are marco-steiger.ch, krings.ch, arnis.ch and two others.

Name Servers

oliverduerr.ch uses two name servers for its delegation: ns01.hostfactory.ch and ns02.hostfactory.ch.

oliverduerr.ch has the same name server delegation as a number of other domains, such as petermieg.ch, swisscampers.ch, it-energy.ch and two more.

At least some of oliverduerr.ch's name servers are shared with other domains, for example swiko.ch, activecity.com, laborsysteme.ch and two more.

These name servers tend to be deployed in combination with the name servers ns1.bkp.hostfactory.ch and ns2.bkp.hostfactory.ch.

The two host names ns01.hostfactory.ch and ns02.hostfactory.ch each have a pair of IP addresses: ns01.hostfactory.ch has 185.117.168.140 and 2a0e:f0c0:1:13:c::10, and ns02.hostfactory.ch has 156.67.10.18 and 2a03:da41:d::11.

Mail Servers

The four mail servers for oliverduerr.ch are mx1.hostfactory.ch, mx3.hostfactory.ch, mx2.hostfactory.swiss and mx4.hostfactory.swiss.

oliverduerr.ch shares at least some of its mail servers with other domains — for example mettler-metallbau.ch, avosar.ch, bauchrednerin.ch and two more.

Each of mx1.hostfactory.ch, mx3.hostfactory.ch, mx2.hostfactory.swiss and mx4.hostfactory.swiss resolves to two IP addresses. mx1.hostfactory.ch directs to 185.16.174.135 and 217.150.252.154; mx3.hostfactory.ch, mx2.hostfactory.swiss and mx4.hostfactory.swiss share 185.16.174.139 and 217.150.252.155.

mx3.hostfactory.ch, mx2.hostfactory.swiss and mx4.hostfactory.swiss all direct to 185.16.174.139.

mx3.hostfactory.ch, mx2.hostfactory.swiss and mx4.hostfactory.swiss all direct to 217.150.252.155.