rekursion.ch - dns.ninja

rekursion.ch

DNSSEC🔒 Signed (DS record present)
A144.76.66.37🇩🇪 Hetzner144.76.0.0/16 HETZNER-RZ-BLK-ERX1
PTRwww.nullmodem.ch
NSget.desec.io
A2a01:4f8:10a:1044:deec:642:ac10:80🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
A88.99.64.5🇩🇪 Hetzner88.99.0.0/16 HETZNER-DC
PTRdigga.desec.io
NSns1.desec.io
A2607:f740:e633:deec::2🇺🇸 NETACTUATE2607:f740:e633::/48 NetActuate, Inc
PTRns1.desec.io
A45.54.76.1🇺🇸 NETACTUATE45.54.76.0/24
PTRns1.desec.io
NSns2.desec.org
A2607:f740:e00a:deec::2🇺🇸 AS362172607:f740:e00a::/48 NetActuate, Inc
PTRns2.desec.org
A157.53.224.1🇺🇸 AS36217157.53.224.0/24 Customer Route
PTRns2.desec.org
MXmail.nullmodem.ch
A144.76.66.36🇩🇪 Hetzner144.76.0.0/16 HETZNER-RZ-BLK-ERX1
PTRmail.nullmodem.ch
SOAget.desec.ioget@desec.io serial=2026065158

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 2026-08-01 #13

Previously NS for

Same first word

Similar names

DNS History

12 records (5 active, 7 former)

20162017201820192020202120222023202420252026NSget.desec.ions1.desec.ions2.desec.orgb.ns.buddyns.comc.ns.buddyns.come.ns.buddyns.comns2.nullmodem.chrekursion.chMXmail.nullmodem.chsmtp.nullmodem.chA144.76.66.37188.40.55.230
NSb.ns.buddyns.com2015-07-11 → 2017-04-08 · 4 obs
● 2015-07-11 05:55:02
● 2017-04-08 18:52:40
○ 2026-03-28 12:58:46
○ 2026-08-01 05:17:06
NSc.ns.buddyns.com2015-07-11 → 2017-04-08 · 4 obs
● 2015-07-11 05:55:02
● 2017-04-08 18:52:40
○ 2026-03-28 12:58:46
○ 2026-08-01 05:17:06
NSe.ns.buddyns.com2015-07-11 → 2017-04-08 · 4 obs
● 2015-07-11 05:55:02
● 2017-04-08 18:52:40
○ 2026-03-28 12:58:46
○ 2026-08-01 05:17:06
NSget.desec.io2026-03-28 → 2026-08-01 · 3 obs
○ 2017-04-08 18:52:40
● 2026-03-28 12:58:46
● 2026-08-01 05:17:06
NSns1.desec.io2026-03-28 → 2026-08-01 · 3 obs
○ 2017-04-08 18:52:40
● 2026-03-28 12:58:46
● 2026-08-01 05:17:06
NSns2.desec.org2026-03-28 → 2026-08-01 · 3 obs
○ 2017-04-08 18:52:40
● 2026-03-28 12:58:46
● 2026-08-01 05:17:06
NSns2.nullmodem.ch2015-07-11 → 2017-04-08 · 4 obs
● 2015-07-11 05:55:02
● 2017-04-08 18:52:40
○ 2026-03-28 12:58:46
○ 2026-08-01 05:17:06
NSrekursion.ch2015-07-11 → 2017-04-08 · 4 obs
● 2015-07-11 05:55:02
● 2017-04-08 18:52:40
○ 2026-03-28 12:58:46
○ 2026-08-01 05:17:06
MXmail.nullmodem.ch2026-03-28 → 2026-08-01 · 3 obs
○ 2017-04-08 18:52:40
● 2026-03-28 12:58:46
● 2026-08-01 05:17:06
MXsmtp.nullmodem.ch2016-03-01 → 2017-04-08 · 4 obs
● 2016-03-01 14:39:52
● 2017-04-08 18:52:40
○ 2026-03-28 12:58:46
○ 2026-08-01 05:17:06
A144.76.66.372016-03-01 → 2026-08-01 · 3 obs
○ 2015-11-24 17:07:58
● 2016-03-01 14:39:52
● 2026-08-01 05:17:06
A188.40.55.2302015-07-11 → 2015-11-24 · 4 obs
● 2015-07-11 05:55:02
● 2015-11-24 17:07:58
○ 2016-03-01 14:39:52
○ 2026-08-01 05:17:06

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cha.nic.ch, b.nic.ch, d.nic.ch, e.nic.ch...-
rekursion.chns1.desec.io, ns2.desec.org-

✅ Authoritative Response

Server:157.53.224.1

NS records: ns1.desec.io, ns2.desec.org

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 503ms | Queries: -

📄 Records

TypeCountSample Data
A1144.76.66.37
NS2ns1.desec.io, ns2.desec.org
MX1mail.nullmodem.ch (pri: 10)
SOA1get.desec.io get.desec.io

Analysis

IP Addresses

rekursion.ch resolves to one IP address: 144.76.66.37.

Additional host names — including nullmodem.ch and www.nullmodem.ch — share IP numbers with rekursion.ch.

Name Servers

DNS for rekursion.ch is handled by three authoritative name servers: get.desec.io, ns1.desec.io and ns2.desec.org.

rekursion.ch has at least partial name server overlap with other domains, such as cybernof.eu, williamjohngauthier.net, metarheinmain.de and two others.

Three hostnames — get.desec.io, ns1.desec.io and ns2.desec.org — each have two IP addresses: get.desec.io has 88.99.64.5 and 2a01:4f8:10a:1044:deec:642:ac10:80, ns1.desec.io has 45.54.76.1 and 2607:f740:e633:deec::2, and ns2.desec.org has 157.53.224.1 and 2607:f740:e00a:deec::2.

Mail Servers

Mail for rekursion.ch is handled by a single mail server, mail.nullmodem.ch.

The mail server configuration of rekursion.ch is identical to that of other domains — nullmodem.ch being one example.

mail.nullmodem.ch has exactly one IP number: 144.76.66.36.