open2learn.ch - dns.ninja
open2learn.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 2026-08-08 #19 | ||||||
Same first word
DNS History
9 records (7 active, 2 former)
○NSdns.o2s.ch2015-05-08 → 2017-04-05 · 4 obs
● 2017-04-05 15:09:20
○ 2026-02-17 15:29:50
○ 2026-08-08 07:52:54
●NSns.hostpoint.ch2026-02-17 → 2026-08-08 · 3 obs
● 2026-02-17 15:29:50
● 2026-08-08 07:52:54
●NSns2.hostpoint.ch2026-02-17 → 2026-08-08 · 3 obs
● 2026-02-17 15:29:50
● 2026-08-08 07:52:54
●NSns3.hostpoint.ch2026-02-17 → 2026-08-08 · 3 obs
● 2026-02-17 15:29:50
● 2026-08-08 07:52:54
●MXmx1.mail.hostpoint.ch2026-02-17 → 2026-08-08 · 2 obs
● 2026-08-08 07:52:54
●MXmx2.mail.hostpoint.ch2026-02-17 → 2026-08-08 · 2 obs
● 2026-08-08 07:52:54
●A217.26.61.302026-02-17 → 2026-08-08 · 3 obs
● 2026-02-17 15:29:50
● 2026-08-08 07:52:54
●A2a00:d70:0:b:2002:0:d91a:3d1e2026-02-17 → 2026-08-08 · 3 obs
● 2026-02-17 15:29:50
● 2026-08-08 07:52:54
○A77.109.136.1812015-05-08 → 2017-04-05 · 4 obs
● 2017-04-05 15:09:20
○ 2026-02-17 15:29:50
○ 2026-08-08 07:52:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ch | a.nic.ch, b.nic.ch, d.nic.ch, e.nic.ch... | - |
| open2learn.ch | ns.hostpoint.ch, ns2.hostpoint.ch, ns3.hostpoint.ch | 6 records |
✅ Authoritative Response
Server:217.26.60.250
NS records: ns.hostpoint.ch, ns2.hostpoint.ch, ns3.hostpoint.ch
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 1473ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 217.26.61.30 |
| AAAA | 1 | 2a00:d70:0:b:2002:0:d91a:3d1e |
| NS | 3 | ns.hostpoint.ch, ns2.hostpoint.ch... |
| MX | 2 | mx2.mail.hostpoint.ch (pri: 10), mx1.mail.hostpoint.ch (pri: 10) |
| TXT | 1 | v=spf1 redirect=spf.mail.hostpoint.ch |
| SOA | 1 | ns.hostpoint.ch hostmaster.hostpoint.ch |
📌 Glue Records Collected
Total: 6
Out-of-bailiwick: 6 (ns3.hostpoint.ch, ns2.hostpoint.ch, ns.hostpoint.ch...)
Analysis
IP Addresses
open2learn.ch has two IP addresses: 217.26.61.30 and 2a00:d70:0:b:2002:0:d91a:3d1e
Two other host names, along with kleinwassink.net, agroval.ch and fabi.ch, also share IP numbers with open2learn.ch.
Name Servers
open2learn.ch carries NS records delegating to ns2.hostpoint.ch, ns3.hostpoint.ch and ns.hostpoint.ch.
The name servers of open2learn.ch overlap at least partially with those of other domains — among them milus.ch, xn--grnewelle-r9a.ch, starmachine.ch and two more.
ns2.hostpoint.ch, ns3.hostpoint.ch and ns.hostpoint.ch are three hostnames that each resolve to a pair of IP addresses: ns2.hostpoint.ch to 217.26.53.254 and 2a00:d70:0:b::1d, ns3.hostpoint.ch to 217.26.60.250 and 2a00:d70:0:b::b, and ns.hostpoint.ch to 217.26.51.254 and 2a00:d70:0:b::d.
Mail Servers
open2learn.ch is served by two mail servers, mx1.mail.hostpoint.ch and mx2.mail.hostpoint.ch.
Among the domains sharing a mail server setup with open2learn.ch are flex-do.ch, maruskariva.com, www.csrheintal.ch and two others.
open2learn.ch has mail servers in common with other domains — 3.uae.digitalhusky.com being one example.
mx1.mail.hostpoint.ch and mx2.mail.hostpoint.ch both carry two IP addresses. The A records for mx1.mail.hostpoint.ch are 217.26.49.138 and 2a00:d70:0:e::200; the A records for mx2.mail.hostpoint.ch are 217.26.49.139 and 2a00:d70:0:e::201.