linux.ch - dns.ninja
linux.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 2026-06-03 #46 | ||||||
Subdomains
Same first word
Similar names
DNS History
11 records (11 active, 0 former)
●NSns.simmcomm.ch2015-05-18 → 2026-06-03 · 2 obs
● 2026-06-03 21:38:56
●NSns2.simmcomm.ch2015-05-18 → 2026-06-03 · 2 obs
● 2026-06-03 21:38:56
●NSns3.simmcomm.ch2015-05-18 → 2026-06-03 · 2 obs
● 2026-06-03 21:38:56
●MXalt1.aspmx.l.google.com2015-05-18 → 2026-06-03 · 2 obs
● 2026-06-03 21:38:56
●MXalt2.aspmx.l.google.com2015-05-18 → 2026-06-03 · 2 obs
● 2026-06-03 21:38:56
●MXaspmx.l.google.com2015-05-18 → 2026-06-03 · 2 obs
● 2026-06-03 21:38:56
●MXaspmx2.googlemail.com2015-05-18 → 2026-06-03 · 2 obs
● 2026-06-03 21:38:56
●MXaspmx3.googlemail.com2015-05-18 → 2026-06-03 · 2 obs
● 2026-06-03 21:38:56
●MXaspmx4.googlemail.com2015-05-18 → 2026-06-03 · 2 obs
● 2026-06-03 21:38:56
●MXaspmx5.googlemail.com2015-05-18 → 2026-06-03 · 2 obs
● 2026-06-03 21:38:56
●A74.125.43.1212015-05-18 → 2026-06-03 · 2 obs
● 2026-06-03 21:38:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ch | b.nic.ch, e.nic.ch, a.nic.ch, d.nic.ch... | - |
| linux.ch | ns3.simmcomm.ch, ns.simmcomm.ch, ns2.simmcomm.ch | 3 records |
✅ Authoritative Response
Server:193.223.241.241
NS records: ns3.simmcomm.ch, ns.simmcomm.ch, ns2.simmcomm.ch
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for linux.ch (unsigned zone)
⏱️ Timing
Total: 652ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 74.125.43.121 |
| NS | 3 | ns.simmcomm.ch, ns2.simmcomm.ch... |
| MX | 7 | alt1.aspmx.l.google.com (pri: 20), alt2.aspmx.l.google.com (pri: 20)... |
| SOA | 1 | ns.simmcomm.ch postmaster.simmcomm.ch |
📌 Glue Records Collected
Total: 3
Out-of-bailiwick: 3 (ns3.simmcomm.ch, ns2.simmcomm.ch, ns.simmcomm.ch)
Analysis
Hierarchy
The parent domain of mail.linux.ch and www.linux.ch is linux.ch.
IP Addresses
linux.ch directs to one IP number, which is 74.125.43.121.
Among the host names that share IP numbers with linux.ch are yocambio.org, mail.pim.com.mt, ewbf.cz and two others.
Name Servers
The authoritative name servers for linux.ch are ns2.simmcomm.ch, ns3.simmcomm.ch and ns.simmcomm.ch — three in total.
At least some of linux.ch's name servers are shared with other domains, for example webstube.com, 241.223.193.in-addr.arpa, metal.ch and two more.
These name servers tend to be used in conjunction with the name servers ns4.simmcomm.ch.
The hostnames ns2.simmcomm.ch, ns3.simmcomm.ch and ns.simmcomm.ch each resolve to a single IP: ns2.simmcomm.ch → 193.223.241.241, ns3.simmcomm.ch → 193.8.130.5, ns.simmcomm.ch → 193.223.240.241.
Mail Servers
The MX records for linux.ch list 7 mail servers: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com plus four others.
linux.ch shares at least some of its mail servers with other domains — for example binoto.com, venturecup.se, devoted2children.org and two more.
These mail servers tend to co-occur with aspmx.l.google.com, alt2.aspmx.l.google.com, alt1.aspmx.l.google.com and three additional mail servers.
Hosts with two IP numbers each:
aspmx2.googlemail.com directs traffic to 142.250.102.27 and 2a00:1450:4025:402::1b.
aspmx3.googlemail.com directs traffic to 192.178.213.27 and 2a00:1450:4013:c1e::1a.
aspmx4.googlemail.com directs traffic to 192.178.223.26 and 2a00:1450:4009:c0f::1a.
aspmx5.googlemail.com directs traffic to 173.194.76.27 and 2a00:1450:400c:c00::1a.
aspmx.l.google.com directs traffic to 64.233.180.26 and 2607:f8b0:4004:c21::1b.
alt1.aspmx.l.google.com directs traffic to 192.178.128.27 and 2607:f8b0:4023:2801::1a.
alt2.aspmx.l.google.com directs traffic to 172.253.145.27 and 2607:f8b0:4023:3003::1a.