jenser.ch - robtex.com

jenser.ch

DNSSEC⚠️ Not signed
A2a01:ab20:0:4::45🇨🇭 CYON2a01:ab20::/32
PTRs036.cyon.net
A149.126.4.45🇨🇭 CYON149.126.0.0/21 cyon GmbH
NSns1.cyon.ch ⭐
A2a01:ab20:0:185::2🇨🇭 CYON2a01:ab20::/32
A185.174.216.2🇨🇭 CYON185.174.216.0/22
PTRns1.cyon.ch
NSns2.cyon.ch
A2001:67c:234::2🇨🇭 CYON2001:67c:234::/48 cyon GmbH
A91.206.24.2🇨🇭 CYON91.206.24.0/23 Cyon GmbH
PTRns2.cyon.ch
MXjenser.ch ⭐
A2a01:ab20:0:4::45🇨🇭 CYON2a01:ab20::/32
PTRs036.cyon.net
A149.126.4.45🇨🇭 CYON149.126.0.0/21 cyon GmbH
PTRs036.cyon.net
TXTv=spf1 +a +mx +ip4:194.126.200.0/24 +ip4:149.126.0.0/21 -all
SOAns1.cyon.chserver@cyon.ch 2021-01-14 #77

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 2026-03-15 #15

MX for

jenser.ch

Same first word

jenser.org
jenser.de
jenser.com
jenser.net
jenser.ch

Similar names

jensre.com
jneres.com.br
rejsen.de
sejner.com
rejsen.com
nerjes.de
sjeren.se
serjen.com
jernes.com
jeners.de
jnrees.com
jesner.eu
seenrj.com
nerjes.com
jrense.com
jeners.com
jesner.at
jsener.com
rejens.info
sjeren.com
jernse.se
jesner.org
jesner.info
jersen.com
rjeens.com
jesner.com
jesner.net

DNS History

16 records (5 active, 11 former)

20162017201820192020202120222023202420252026NSns1.cyon.chns2.cyon.chns1.genotec.chns2.genotec.chns3.genotec.chns4.genotec.chMXjenser.chall01.mx.genotec.chall02.mx.genotec.chall03.mx.genotec.chbsl01.mx.genotec.chA149.126.4.452a01:ab20:0:4::45194.126.200.572001:1b50::82:195:225:15682.195.225.156
●NSns1.cyon.ch2016-12-28 → 2026-03-24 · 3 obs
○ 2016-04-27 00:47:56
● 2016-12-28 11:26:08
● 2026-03-24 00:52:26
○NSns1.genotec.ch2015-06-30 → 2016-04-27 · 4 obs
● 2015-06-30 13:49:06
● 2016-04-27 00:47:56
○ 2016-12-28 11:26:08
○ 2026-03-24 00:52:26
●NSns2.cyon.ch2016-12-28 → 2026-03-24 · 3 obs
○ 2016-04-27 00:47:56
● 2016-12-28 11:26:08
● 2026-03-24 00:52:26
○NSns2.genotec.ch2015-06-30 → 2016-04-27 · 4 obs
● 2015-06-30 13:49:06
● 2016-04-27 00:47:56
○ 2016-12-28 11:26:08
○ 2026-03-24 00:52:26
○NSns3.genotec.ch2015-06-30 → 2016-04-27 · 4 obs
● 2015-06-30 13:49:06
● 2016-04-27 00:47:56
○ 2016-12-28 11:26:08
○ 2026-03-24 00:52:26
○NSns4.genotec.ch2015-06-30 → 2016-04-27 · 4 obs
● 2015-06-30 13:49:06
● 2016-04-27 00:47:56
○ 2016-12-28 11:26:08
○ 2026-03-24 00:52:26
○MXall01.mx.genotec.ch2015-06-30 → 2016-04-27 · 4 obs
● 2015-06-30 13:49:06
● 2016-04-27 00:47:56
○ 2016-12-28 11:26:08
○ 2026-03-24 00:52:26
○MXall02.mx.genotec.ch2015-06-30 → 2016-04-27 · 4 obs
● 2015-06-30 13:49:06
● 2016-04-27 00:47:56
○ 2016-12-28 11:26:08
○ 2026-03-24 00:52:26
○MXall03.mx.genotec.ch2015-06-30 → 2016-04-27 · 4 obs
● 2015-06-30 13:49:06
● 2016-04-27 00:47:56
○ 2016-12-28 11:26:08
○ 2026-03-24 00:52:26
○MXbsl01.mx.genotec.ch2015-06-30 → 2016-04-27 · 4 obs
● 2015-06-30 13:49:06
● 2016-04-27 00:47:56
○ 2016-12-28 11:26:08
○ 2026-03-24 00:52:26
●MXjenser.ch2016-12-28 → 2026-03-24 · 3 obs
○ 2016-04-27 00:47:56
● 2016-12-28 11:26:08
● 2026-03-24 00:52:26
●A149.126.4.452017-11-10 → 2026-03-24 · 3 obs
○ 2016-12-28 11:26:08
● 2017-11-10 13:37:52
● 2026-03-24 00:52:26
○A194.126.200.572016-12-28 → 2016-12-28 · 4 obs
○ 2016-04-27 00:47:56
● 2016-12-28 11:26:08
○ 2017-11-10 13:37:52
○ 2026-03-24 00:52:26
○A2001:1b50::82:195:225:1562015-06-30 → 2016-04-27 · 4 obs
● 2015-06-30 13:49:06
● 2016-04-27 00:47:56
○ 2016-12-28 11:26:08
○ 2026-03-24 00:52:26
●A2a01:ab20:0:4::452026-02-19 → 2026-03-24 · 3 obs
○ 2017-11-10 13:37:52
● 2026-02-19 12:23:18
● 2026-03-24 00:52:26
○A82.195.225.1562015-06-30 → 2016-04-27 · 4 obs
● 2015-06-30 13:49:06
● 2016-04-27 00:47:56
○ 2016-12-28 11:26:08
○ 2026-03-24 00:52:26

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cha.nic.ch, b.nic.ch, d.nic.ch, e.nic.ch...-
jenser.chns2.cyon.ch, ns1.cyon.ch4 records

✅ Authoritative Response

Server:185.174.216.2

NS records: ns2.cyon.ch, ns1.cyon.ch

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 693ms | Queries: -

📄 Records

TypeCountSample Data
A1149.126.4.45
AAAA12a01:ab20:0:4::45
NS2ns2.cyon.ch, ns1.cyon.ch
MX1jenser.ch (pri: 0)
TXT1v=spf1 +a +mx +ip4:194.126.200.0/24 +ip4
SOA1ns1.cyon.ch server.cyon.ch

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns2.cyon.ch, ns1.cyon.ch, ns2.cyon.ch...)

Analysis

Mail Server Role

jenser.ch serves as the mail server for jenser.ch.

IP Addresses

jenser.ch points to two IP numbers: 2a01:ab20:0:4::45 and 149.126.4.45.

Other host names, for instance lemonine.com, mmarc.ch, mail.fratze.ch, cyon.cuentax.ch and s036.cyon.net share IP numbers with jenser.ch.

Name Servers

jenser.ch is delegated to two name servers: ns1.cyon.ch and ns2.cyon.ch.

jenser.ch uses the same name server setup as other domains, for instance lifa.ch, park-immobilien.ch, neloks.com, filabe.de and hc-goldach-rorschach.ch.

Host names with two IP numbers:

The host ns1.cyon.ch points to 2a01:ab20:0:185::2 and 185.174.216.2.

The host ns2.cyon.ch points to 2001:67c:234::2 and 91.206.24.2.

Mail Servers

A single mail server handles jenser.ch and jenser.ch.

Host name jenser.ch resolves to two IPs: 2a01:ab20:0:4::45 and 149.126.4.45.