lerntrainer.ch - robtex.com
lerntrainer.ch
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 2026-05-12 #20 | ||||||
Subdomains
mail.lerntrainer.ch |
Same first word
lerntrainer.ch |
lerntrainer.com |
DNS History
12 records (8 active, 4 former)
○NSns.hostorama.com2015-07-09 → 2017-02-09 · 4 obs
● 2017-02-09 21:40:12
○ 2020-01-14 11:14:46
○ 2026-05-12 08:42:26
●NSns01.hostfactory.ch2020-01-14 → 2026-05-12 · 3 obs
● 2020-01-14 11:14:46
● 2026-05-12 08:42:26
●NSns02.hostfactory.ch2020-01-14 → 2026-05-12 · 3 obs
● 2020-01-14 11:14:46
● 2026-05-12 08:42:26
○NSnsv.hostorama.com2015-07-09 → 2017-02-09 · 4 obs
● 2017-02-09 21:40:12
○ 2020-01-14 11:14:46
○ 2026-05-12 08:42:26
○MXmail.lerntrainer.ch2015-07-09 → 2017-02-09 · 4 obs
● 2017-02-09 21:40:12
○ 2020-01-14 11:14:46
○ 2026-05-12 08:42:26
●MXmx1.hostfactory.ch2020-01-14 → 2026-05-12 · 3 obs
● 2020-01-14 11:14:46
● 2026-05-12 08:42:26
●MXmx2.hostfactory.swiss2020-01-14 → 2026-05-12 · 3 obs
● 2020-01-14 11:14:46
● 2026-05-12 08:42:26
●MXmx3.hostfactory.ch2020-01-14 → 2026-05-12 · 3 obs
● 2020-01-14 11:14:46
● 2026-05-12 08:42:26
●MXmx4.hostfactory.swiss2020-01-14 → 2026-05-12 · 3 obs
● 2020-01-14 11:14:46
● 2026-05-12 08:42:26
●A185.117.169.1232020-01-14 → 2026-05-12 · 3 obs
● 2020-01-14 11:14:46
● 2026-05-12 08:42:26
●A2a0e:f0c0:1:12::2:51632026-03-23 → 2026-05-12 · 3 obs
● 2026-03-23 23:40:52
● 2026-05-12 08:42:26
○A80.74.151.1002015-07-09 → 2017-02-09 · 4 obs
● 2017-02-09 21:40:12
○ 2020-01-14 11:14:46
○ 2026-05-12 08:42:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ch | a.nic.ch, b.nic.ch, d.nic.ch, e.nic.ch... | - |
| lerntrainer.ch | ns02.hostfactory.ch, ns01.hostfactory.ch | 4 records |
✅ Authoritative Response
Server:156.67.10.18
NS records: ns02.hostfactory.ch, ns01.hostfactory.ch
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 3077ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 185.117.169.123 |
| AAAA | 1 | 2a0e:f0c0:1:12::2:5163 |
| NS | 2 | ns02.hostfactory.ch, ns01.hostfactory.ch |
| MX | 4 | mx1.hostfactory.ch (pri: 10), mx4.hostfactory.swiss (pri: 40)... |
| TXT | 1 | v=spf1 a:spf.hostfactory.ch -all |
| SOA | 1 | ns01.hostfactory.ch patrick\.zuercher116 |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns02.hostfactory.ch, ns01.hostfactory.ch, ns02.hostfactory.ch...)
Analysis
Hierarchy
lerntrainer.ch is parent of mail.lerntrainer.ch.
IP Addresses
lerntrainer.ch points to two IP numbers: 2a0e:f0c0:1:12::2:5163 and 185.117.169.123.
Other host names, for instance tucano.ch, steel-art.ch, strubby.ch, tennischool-sc.ch and nrw.ditting.ch share IP numbers with lerntrainer.ch.
Name Servers
lerntrainer.ch's delegation is to two name servers ns01.hostfactory.ch and ns02.hostfactory.ch.
lerntrainer.ch shares the same name server configuration as other domains, such as nassachtal-gaertnerei.de, behindertenparkplatz.ch, druckmaterial.ch, azurito.com and luzern5.ch.
lerntrainer.ch at least partially shares its name servers with other domains, for instance santalucia-lieferservice.ch, lorenzini.ch, bktransport.ch, chinacity.ch and kehrsiten-tourismus.ch.
these name servers are commonly used together with ns1.bkp.hostfactory.ch, ns2.bkp.hostfactory.ch, dns1.bindella.ch and dns2.bindella.ch.
Host names with two IP numbers: ns01.hostfactory.ch points to 2a0e:f0c0:1:13:c::10 and 185.117.168.140; ns02.hostfactory.ch points to 2a03:da41:d::11 and 156.67.10.18
Mail Servers
lerntrainer.ch is handled by four mail servers: mx1.hostfactory.ch, mx3.hostfactory.ch, mx2.hostfactory.swiss and mx4.hostfactory.swiss.
lerntrainer.ch shares some mail servers with other domains, including tierra-safiri.com, saneco.ch, andreasheeb.ch, arobis.ch and server52.hostfactory.ch.
Host names with two IP numbers:
The host name mx1.hostfactory.ch points to 185.16.174.135 and 217.150.252.154.
The host name mx3.hostfactory.ch points to 185.16.174.139 and 217.150.252.155.
The host name mx2.hostfactory.swiss points to 185.16.174.139 and 217.150.252.155.
The host name mx4.hostfactory.swiss points to 185.16.174.139 and 217.150.252.155.
Host names that point to 185.16.174.139 include mx3.hostfactory.ch, mx2.hostfactory.swiss and mx4.hostfactory.swiss.
Host names that point to 217.150.252.155 include mx3.hostfactory.ch, mx2.hostfactory.swiss and mx4.hostfactory.swiss.