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 2026-07-19 #2 | ||||||
Subdomains
Same first word
Similar names
DNS History
11 records (11 active, 0 former)
●NSns.simmcomm.ch2015-05-18 → 2026-07-18 · 2 obs
● 2026-07-18 23:31:08
●NSns2.simmcomm.ch2015-05-18 → 2026-07-18 · 2 obs
● 2026-07-18 23:31:08
●NSns3.simmcomm.ch2015-05-18 → 2026-07-18 · 2 obs
● 2026-07-18 23:31:08
●MXalt1.aspmx.l.google.com2015-05-18 → 2026-07-18 · 2 obs
● 2026-07-18 23:31:08
●MXalt2.aspmx.l.google.com2015-05-18 → 2026-07-18 · 2 obs
● 2026-07-18 23:31:08
●MXaspmx.l.google.com2015-05-18 → 2026-07-18 · 2 obs
● 2026-07-18 23:31:08
●MXaspmx2.googlemail.com2015-05-18 → 2026-07-18 · 2 obs
● 2026-07-18 23:31:08
●MXaspmx3.googlemail.com2015-05-18 → 2026-07-18 · 2 obs
● 2026-07-18 23:31:08
●MXaspmx4.googlemail.com2015-05-18 → 2026-07-18 · 2 obs
● 2026-07-18 23:31:08
●MXaspmx5.googlemail.com2015-05-18 → 2026-07-18 · 2 obs
● 2026-07-18 23:31:08
●A74.125.43.1212015-05-18 → 2026-07-18 · 2 obs
● 2026-07-18 23:31:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ch | b.nic.ch, e.nic.ch, a.nic.ch, d.nic.ch... | - |
| linux.ch | ns2.simmcomm.ch, ns3.simmcomm.ch, ns.simmcomm.ch | 3 records |
✅ Authoritative Response
Server:193.8.130.5
NS records: ns2.simmcomm.ch, ns3.simmcomm.ch, ns.simmcomm.ch
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for linux.ch (unsigned zone)
⏱️ Timing
Total: 810ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 74.125.43.121 |
| NS | 3 | ns.simmcomm.ch, ns3.simmcomm.ch... |
| MX | 7 | aspmx.l.google.com (pri: 10), aspmx3.googlemail.com (pri: 30)... |
| 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 domain linux.ch is parent to gurney.linux.ch, mail.linux.ch and www.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
linux.ch uses 7 mail servers for delivery: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com and 4 other.
linux.ch shares at least some of its mail servers with other domains — for example binoto.com, venturecup.se, devoted2children.org and two more.
It is common to find these mail servers paired with mail servers aspmx.l.google.com, alt2.aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more.
Hosts with two IP numbers each:
aspmx2.googlemail.com directs traffic to 108.177.123.26 and 2800:3f0:4003:c0f::1a.
aspmx3.googlemail.com directs traffic to 172.253.116.27 and 2a00:1450:400b:c02::1b.
aspmx4.googlemail.com directs traffic to 192.178.223.27 and 2a00:1450:4009:c0f::1b.
aspmx5.googlemail.com directs traffic to 172.253.157.26 and 2a00:1450:400c:c23::1a.
aspmx.l.google.com directs traffic to 172.253.115.27 and 2607:f8b0:4004:c1b::1a.
alt1.aspmx.l.google.com directs traffic to 108.177.123.26 and 2800:3f0:4003:c0f::1a.
alt2.aspmx.l.google.com directs traffic to 172.253.116.27 and 2a00:1450:400b:c02::1b.
Both aspmx2.googlemail.com and alt1.aspmx.l.google.com resolve to 2800:3f0:4003:c0f::1a IP addresses each.
Both aspmx2.googlemail.com and alt1.aspmx.l.google.com resolve to 108.177.123.26 IP addresses each.
Both aspmx3.googlemail.com and alt2.aspmx.l.google.com resolve to 2a00:1450:400b:c02::1b IP addresses each.
Both aspmx3.googlemail.com and alt2.aspmx.l.google.com resolve to 172.253.116.27 IP addresses each.