exploratorium.ch - dns.ninja
exploratorium.ch
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns2.telemedia.ch ⭐ | ||||||
| A | 2001:4060:4419:1::2🇨🇭 IMPNET-AS2001:4060::/32 CH-IMPROWARE-IP6BLK1 Switzerland | ||||||
| PTR | ns2.ipv6.telemedia.ch | ||||||
| A | 157.161.128.2🇨🇭 IMPNET-AS157.161.0.0/16 ImproWare AG Switzerland | ||||||
| PTR | ns2.telemedia.ch | ||||||
| NS | ns.telemedia.ch | ||||||
| A | 2001:4060:4419:8001::3🇨🇭 IMPNET-AS2001:4060::/32 CH-IMPROWARE-IP6BLK1 Switzerland | ||||||
| A | 185.68.67.3🇨🇭 IMPNET-AS185.68.64.0/22 ImproWare AG Switzerland | ||||||
| NS | ns3.telemedia.ch | ||||||
| A | 198.46.175.235🇺🇸 COLOCROSSING198.46.168.0/21 | ||||||
| PTR | ns3.tisnet.ch | ||||||
| SOA | ns.telemedia.chpostmaster@telemedia.ch serial=200102202 | ||||||
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 #17 | ||||||
Same first word
DNS History
3 records (3 active, 0 former)
●NSns.telemedia.ch2015-08-22 → 2026-08-11 · 2 obs
● 2026-08-11 07:19:48
●NSns2.telemedia.ch2015-08-22 → 2026-08-11 · 2 obs
● 2026-08-11 07:19:48
●NSns3.telemedia.ch2015-08-22 → 2026-08-11 · 2 obs
● 2026-08-11 07:19:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ch | a.nic.ch, b.nic.ch, d.nic.ch, e.nic.ch... | 10 records |
| exploratorium.ch | ns2.telemedia.ch, ns.telemedia.ch, ns3.telemedia.ch | 3 records |
✅ Authoritative Response
Server:157.161.128.2
NS records: ns2.telemedia.ch, ns.telemedia.ch, ns3.telemedia.ch
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for exploratorium.ch (unsigned zone)
⏱️ Timing
Total: 632ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 3 | ns2.telemedia.ch, ns.telemedia.ch... |
| SOA | 1 | ns.telemedia.ch postmaster.telemedia.ch |
📌 Glue Records Collected
Total: 13
In-bailiwick: 10 (a.nic.ch, a.nic.ch, b.nic.ch...)
Out-of-bailiwick: 3 (ns3.telemedia.ch, ns2.telemedia.ch, ns.telemedia.ch)
Analysis
Name Servers
exploratorium.ch is served by three name servers: ns2.telemedia.ch, ns3.telemedia.ch and ns.telemedia.ch.
There is at least partial name server overlap between exploratorium.ch and other domains — corsica.ch, pharminfo.ch, universal-trockner.com and two more among them.
These name servers are routinely deployed together with the name servers ns.imp.ch.
Hostnames that resolve to two IP addresses:
The A records for ns2.telemedia.ch return 157.161.128.2 and 2001:4060:4419:1::2.
The A records for ns.telemedia.ch return 185.68.67.3 and 2001:4060:4419:8001::3.
Hosts with just one IP address:
ns3.telemedia.ch resolves to the IP address 198.46.175.235.