linux.ch - robtex.com
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 2026-07-05 #7 | ||||||
Subdomains
Same first word
Similar names
DNS History
11 records (11 active, 0 former)
●NSns.simmcomm.ch2015-05-18 → 2026-07-05 · 2 obs
● 2026-07-05 02:04:46
●NSns2.simmcomm.ch2015-05-18 → 2026-07-05 · 2 obs
● 2026-07-05 02:04:46
●NSns3.simmcomm.ch2015-05-18 → 2026-07-05 · 2 obs
● 2026-07-05 02:04:46
●MXalt1.aspmx.l.google.com2015-05-18 → 2026-07-05 · 2 obs
● 2026-07-05 02:04:46
●MXalt2.aspmx.l.google.com2015-05-18 → 2026-07-05 · 2 obs
● 2026-07-05 02:04:46
●MXaspmx.l.google.com2015-05-18 → 2026-07-05 · 2 obs
● 2026-07-05 02:04:46
●MXaspmx2.googlemail.com2015-05-18 → 2026-07-05 · 2 obs
● 2026-07-05 02:04:46
●MXaspmx3.googlemail.com2015-05-18 → 2026-07-05 · 2 obs
● 2026-07-05 02:04:46
●MXaspmx4.googlemail.com2015-05-18 → 2026-07-05 · 2 obs
● 2026-07-05 02:04:46
●MXaspmx5.googlemail.com2015-05-18 → 2026-07-05 · 2 obs
● 2026-07-05 02:04:46
●A74.125.43.1212015-05-18 → 2026-07-05 · 2 obs
● 2026-07-05 02:04:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ch | b.nic.ch, e.nic.ch, a.nic.ch, d.nic.ch... | - |
| linux.ch | ns.simmcomm.ch, ns2.simmcomm.ch, ns3.simmcomm.ch | 3 records |
✅ Authoritative Response
Server:193.223.241.241
NS records: ns.simmcomm.ch, ns2.simmcomm.ch, ns3.simmcomm.ch
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for linux.ch (unsigned zone)
⏱️ Timing
Total: 678ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 74.125.43.121 |
| NS | 3 | ns3.simmcomm.ch, ns2.simmcomm.ch... |
| MX | 7 | aspmx4.googlemail.com (pri: 30), aspmx.l.google.com (pri: 10)... |
| SOA | 1 | ns.simmcomm.ch postmaster.simmcomm.ch |
📌 Glue Records Collected
Total: 3
Out-of-bailiwick: 3 (ns.simmcomm.ch, ns2.simmcomm.ch, ns3.simmcomm.ch)
Analysis
Hierarchy
gurney.linux.ch, mail.linux.ch and www.linux.ch are all subdomains of 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
linux.ch is delegated to three name servers: ns2.simmcomm.ch, ns3.simmcomm.ch and ns.simmcomm.ch.
The name servers of linux.ch overlap at least partially with those of other domains — among them webstube.com, 241.223.193.in-addr.arpa, metal.ch and two more.
These name servers commonly appear in combination with the name servers ns4.simmcomm.ch.
ns2.simmcomm.ch, ns3.simmcomm.ch and ns.simmcomm.ch each resolve to a single IP address: ns2.simmcomm.ch resolves to 193.223.241.241, ns3.simmcomm.ch resolves to 193.8.130.5 and ns.simmcomm.ch resolves to 193.223.240.241.
Mail Servers
linux.ch has 7 mail servers — aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com plus 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 points to 108.177.123.27 and 2800:3f0:4003:c0f::1b.
aspmx3.googlemail.com points to 172.253.116.27 and 2a00:1450:400b:c02::1a.
aspmx4.googlemail.com points to 192.178.223.27 and 2a00:1450:4009:c0f::1b.
aspmx5.googlemail.com points to 172.253.157.27 and 2a00:1450:400c:c23::1b.
aspmx.l.google.com points to 172.253.122.27 and 2607:f8b0:4004:c21::1b.
alt1.aspmx.l.google.com points to 108.177.123.27 and 2800:3f0:4003:c0f::1b.
alt2.aspmx.l.google.com points to 172.253.116.27 and 2a00:1450:400b:c02::1b.
aspmx2.googlemail.com and alt1.aspmx.l.google.com are host names that each point to 2800:3f0:4003:c0f::1b IP addresses.
aspmx2.googlemail.com and alt1.aspmx.l.google.com are host names that each point to 108.177.123.27 IP addresses.
aspmx3.googlemail.com and alt2.aspmx.l.google.com are host names that each point to 172.253.116.27 IP addresses.