computerschool.ch - dns.ninja
computerschool.ch
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 92.43.218.157🇨🇭 WEBLAND-AS92.43.216.0/21 Webland AG, Switzerland | ||||||
| PTR | wl57.webland.ch | ||||||
| NS | ns1.webland.ch ⭐ | ||||||
| A | 92.43.216.7🇨🇭 WEBLAND-AS92.43.216.0/21 Webland AG, Switzerland | ||||||
| PTR | ns1.webland.ch | ||||||
| NS | ns2.webland.ch | ||||||
| A | 92.43.217.7🇨🇭 WEBLAND-AS92.43.216.0/21 Webland AG, Switzerland | ||||||
| PTR | ns2.webland.ch | ||||||
| NS | ns3.webland.ch | ||||||
| A | 92.43.216.8🇨🇭 WEBLAND-AS92.43.216.0/21 Webland AG, Switzerland | ||||||
| PTR | ns3.webland.ch | ||||||
| NS | ns4.webland.ch | ||||||
| A | 92.43.217.8🇨🇭 WEBLAND-AS92.43.216.0/21 Webland AG, Switzerland | ||||||
| PTR | ns4.webland.ch | ||||||
| MX | mail.computerschool.ch ⭐ | ||||||
| A | 92.43.217.111🇨🇭 WEBLAND-AS92.43.216.0/21 Webland AG, Switzerland | ||||||
| PTR | ms11.webland.ch | ||||||
| TXT | v=spf1 include:spf.mail.webland.ch -all | ||||||
| SOA | ns1.webland.chpostmaster@computerschool.ch 2026-07-22 #15 | ||||||
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 2026-08-11 #47 | ||||||
Subdomains
mail.computerschool.ch |
Same first word
Similar names
DNS History
9 records (6 active, 3 former)
○NSns1.decweb.ch2015-05-05 → 2016-01-27 · 4 obs
● 2016-01-27 15:50:48
○ 2016-06-25 05:50:08
○ 2026-08-11 22:37:56
●NSns1.webland.ch2016-06-25 → 2026-08-11 · 3 obs
● 2016-06-25 05:50:08
● 2026-08-11 22:37:56
○NSns2.decweb.ch2015-05-05 → 2016-01-27 · 4 obs
● 2016-01-27 15:50:48
○ 2016-06-25 05:50:08
○ 2026-08-11 22:37:56
●NSns2.webland.ch2016-06-25 → 2026-08-11 · 3 obs
● 2016-06-25 05:50:08
● 2026-08-11 22:37:56
●NSns3.webland.ch2016-06-25 → 2026-08-11 · 3 obs
● 2016-06-25 05:50:08
● 2026-08-11 22:37:56
●NSns4.webland.ch2016-06-25 → 2026-08-11 · 3 obs
● 2016-06-25 05:50:08
● 2026-08-11 22:37:56
●MXmail.computerschool.ch2015-05-05 → 2026-08-11 · 2 obs
● 2026-08-11 22:37:56
○A193.27.218.532015-05-05 → 2016-01-27 · 4 obs
● 2016-01-27 15:50:48
○ 2016-06-25 05:50:08
○ 2026-08-11 22:37:56
●A92.43.218.1572016-06-25 → 2026-08-11 · 3 obs
● 2016-06-25 05:50:08
● 2026-08-11 22:37:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ch | f.nic.ch, a.nic.ch, b.nic.ch, d.nic.ch... | - |
| computerschool.ch | ns4.webland.ch, ns3.webland.ch, ns1.webland.ch, ns2.webland.ch | 4 records |
✅ Authoritative Response
Server:92.43.217.7
NS records: ns4.webland.ch, ns3.webland.ch, ns1.webland.ch, ns2.webland.ch
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 1964ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 92.43.218.157 |
| NS | 4 | ns4.webland.ch, ns2.webland.ch... |
| MX | 1 | mail.computerschool.ch (pri: 5) |
| TXT | 1 | v=spf1 include:spf.mail.webland.ch -all |
| SOA | 1 | ns1.webland.ch postmaster.computerschool |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns4.webland.ch, ns3.webland.ch, ns2.webland.ch...)
Analysis
Hierarchy
computerschool.ch is the parent zone for mail.computerschool.ch.
IP Addresses
computerschool.ch resolves to one IP address: 92.43.218.157.
alaxa.ch, www.qbtec.ch, alliedfinance.com and two other host names share IP numbers with computerschool.ch.
Name Servers
The authoritative name servers for computerschool.ch are ns1.webland.ch, ns2.webland.ch, ns3.webland.ch and ns4.webland.ch.
computerschool.ch partially shares its NS delegation with several other domains, including feuerbrand-zh.ch, peopal.ch, gefaesspraxis-basel.ch and two others.
Each of the four hosts ns1.webland.ch, ns2.webland.ch, ns3.webland.ch and ns4.webland.ch points to a single IP address — ns1.webland.ch points to 92.43.216.7, ns2.webland.ch points to 92.43.217.7, ns3.webland.ch points to 92.43.216.8 and ns4.webland.ch points to 92.43.217.8.
Mail Servers
Mail for computerschool.ch is handled by a single mail server, mail.computerschool.ch.
mail.computerschool.ch has exactly one IP number: 92.43.217.111.