rekursion.ch - dns.ninja
rekursion.ch
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 144.76.66.37🇩🇪 Hetzner144.76.0.0/16 HETZNER-RZ-BLK-ERX1 | ||||||
| PTR | www.nullmodem.ch | ||||||
| NS | get.desec.io ⭐ | ||||||
| A | 2a01:4f8:10a:1044:deec:642:ac10:80🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| A | 88.99.64.5🇩🇪 Hetzner88.99.0.0/16 HETZNER-DC | ||||||
| PTR | digga.desec.io | ||||||
| NS | ns1.desec.io | ||||||
| A | 2607:f740:e633:deec::2🇺🇸 NETACTUATE2607:f740:e633::/48 NetActuate, Inc | ||||||
| PTR | ns1.desec.io | ||||||
| A | 45.54.76.1🇺🇸 NETACTUATE45.54.76.0/24 | ||||||
| PTR | ns1.desec.io | ||||||
| NS | ns2.desec.org | ||||||
| A | 2607:f740:e00a:deec::2🇺🇸 AS362172607:f740:e00a::/48 NetActuate, Inc | ||||||
| PTR | ns2.desec.org | ||||||
| A | 157.53.224.1🇺🇸 AS36217157.53.224.0/24 Customer Route | ||||||
| PTR | ns2.desec.org | ||||||
| MX | mail.nullmodem.ch ⭐ | ||||||
| A | 144.76.66.36🇩🇪 Hetzner144.76.0.0/16 HETZNER-RZ-BLK-ERX1 | ||||||
| PTR | mail.nullmodem.ch | ||||||
| SOA | get.desec.ioget@desec.io serial=2026065158 | ||||||
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.chdns-operation@switch.ch 2026-08-01 #13 | ||||||
Previously NS for
rekursion.ch |
Same first word
Similar names
DNS History
12 records (5 active, 7 former)
○NSb.ns.buddyns.com2015-07-11 → 2017-04-08 · 4 obs
● 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
● 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
● 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
● 2026-03-28 12:58:46
● 2026-08-01 05:17:06
●NSns1.desec.io2026-03-28 → 2026-08-01 · 3 obs
● 2026-03-28 12:58:46
● 2026-08-01 05:17:06
●NSns2.desec.org2026-03-28 → 2026-08-01 · 3 obs
● 2026-03-28 12:58:46
● 2026-08-01 05:17:06
○NSns2.nullmodem.ch2015-07-11 → 2017-04-08 · 4 obs
● 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
● 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
● 2026-03-28 12:58:46
● 2026-08-01 05:17:06
○MXsmtp.nullmodem.ch2016-03-01 → 2017-04-08 · 4 obs
● 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
● 2016-03-01 14:39:52
● 2026-08-01 05:17:06
○A188.40.55.2302015-07-11 → 2015-11-24 · 4 obs
● 2015-11-24 17:07:58
○ 2016-03-01 14:39:52
○ 2026-08-01 05:17:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ch | a.nic.ch, b.nic.ch, d.nic.ch, e.nic.ch... | - |
| rekursion.ch | ns1.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
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 144.76.66.37 |
| NS | 2 | ns1.desec.io, ns2.desec.org |
| MX | 1 | mail.nullmodem.ch (pri: 10) |
| SOA | 1 | get.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.