4437.ch - robtex.com
4437.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 2026-03-29 #29 | ||||||
Subdomains
mail.4437.ch |
Same first word
Similar names
DNS History
10 records (10 active, 0 former)
●NSns1.speed-dns.one2026-03-29 → 2026-03-29 · 2 obs
● 2026-03-29 14:02:14
●NSns1.speed-net.one2026-03-29 → 2026-03-29 · 2 obs
● 2026-03-29 14:02:14
●NSns2.speed-dns.one2026-03-29 → 2026-03-29 · 2 obs
● 2026-03-29 14:02:14
●NSns2.speed-net.one2026-03-29 → 2026-03-29 · 2 obs
● 2026-03-29 14:02:14
●NSns3.speed-dns.one2026-03-29 → 2026-03-29 · 2 obs
● 2026-03-29 14:02:14
●NSns3.speed-net.one2026-03-29 → 2026-03-29 · 2 obs
● 2026-03-29 14:02:14
●NSns4.speed-dns.one2026-03-29 → 2026-03-29 · 2 obs
● 2026-03-29 14:02:14
●NSns4.speed-net.one2026-03-29 → 2026-03-29 · 2 obs
● 2026-03-29 14:02:14
●MXmail.4437.ch2026-03-29 → 2026-03-29 · 2 obs
● 2026-03-29 14:02:14
●A176.10.127.552026-03-29 → 2026-03-29 · 2 obs
● 2026-03-29 14:02:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ch | a.nic.ch, b.nic.ch, d.nic.ch, e.nic.ch... | - |
| 4437.ch | ns3.speed-net.one, ns4.speed-net.one, ns1.speed-net.one, ns2.speed-net.one | - |
✅ Authoritative Response
Server:45.83.251.16
NS records: ns3.speed-net.one, ns4.speed-net.one, ns1.speed-net.one, ns2.speed-net.one
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 4437.ch (unsigned zone)
⏱️ Timing
Total: 701ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 176.10.127.55 |
| NS | 4 | ns3.speed-dns.one, ns4.speed-dns.one... |
| MX | 1 | mail.4437.ch (pri: 10) |
| TXT | 1 | v=spf1 a mx include:relay.mailchannels.n |
| SOA | 1 | ns3.speed-dns.one info.tw-soft.ch |
Analysis
Hierarchy
The parent of mail.4437.ch is 4437.ch.
IP Addresses
4437.ch points to a single IP number: 176.10.127.55.
Other host names, for instance tentatio.ch, cetos.ch, hypertech.ch, decirent.ch and mail.zugbegleiter.com share IP numbers with 4437.ch.
Name Servers
4437.ch delegates to eight name servers: ns1.speed-dns.one, ns2.speed-dns.one, ns3.speed-dns.one, ns4.speed-dns.one, ns1.speed-net.one, ns2.speed-net.one, ns3.speed-net.one and ns4.speed-net.one.
4437.ch shares name servers with other domains at least partially, for instance soundprogress.ch, comratio.com, waser.cc, speed-net.de and paulzahner.com.
these name servers are often used together with the name servers ns31.cloudns.net.
Host names with two IP numbers:
The host name ns1.speed-dns.one points to 2a06:fb00:2::1:16 and 45.83.248.16.
The host name ns2.speed-dns.one points to 2a06:fb00:2::2:16 and 45.83.249.16.
The host name ns3.speed-dns.one points to 2a06:fb00:2::3:16 and 45.83.250.16.
The host name ns4.speed-dns.one points to 2a06:fb00:2::4:16 and 45.83.251.16.
The host name ns1.speed-net.one points to 2a06:fb00:2::1:16 and 45.83.248.16.
The host name ns2.speed-net.one points to 2a06:fb00:2::2:16 and 45.83.249.16.
The host name ns3.speed-net.one points to 2a06:fb00:2::3:16 and 45.83.250.16.
The host name ns4.speed-net.one points to 2a06:fb00:2::4:16 and 2a06:fb00:2::1:16.
Host names that point to 2a06:fb00:2::1:16: ns1.speed-dns.one and ns1.speed-net.one.
Host names that point to 45.83.248.16: ns1.speed-dns.one and ns1.speed-net.one.
Host names that point to 2a06:fb00:2::2:16: ns2.speed-dns.one and ns2.speed-net.one.
Host names that point to 45.83.249.16: ns2.speed-dns.one and ns2.speed-net.one.
Host names that point to 2a06:fb00:2::3:16: ns3.speed-dns.one and ns3.speed-net.one.
Host names that point to 45.83.250.16: ns3.speed-dns.one and ns3.speed-net.one.
Host names that point to 2a06:fb00:2::4:16: ns4.speed-dns.one and ns4.speed-net.one.
Host names that point to 45.83.251.16: ns4.speed-dns.one and ns4.speed-net.one.
Mail Servers
The mail server for 4437.ch is mail.4437.ch.
Host name mail.4437.ch resolves to IP 176.10.127.55.