4t1.ch - robtex.com
4t1.ch
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 188.34.131.148🇩🇪 Hetzner188.34.128.0/17 HETZNER-DC | ||||||
| PTR | lx46.hoststar.hosting | ||||||
| NS | ns1.hoststar.hosting ⭐ | ||||||
| A | 88.99.214.141🇩🇪 Hetzner88.99.0.0/16 HETZNER-DC | ||||||
| PTR | ns1.hoststar.hosting | ||||||
| NS | ns2.hoststar.hosting | ||||||
| A | 185.48.228.80🇨🇭 netcup-AS185.48.228.0/22 NETCUP-GMBH | ||||||
| PTR | ns2.hoststar.hosting | ||||||
| MX | mail.4t1.ch ⭐ | ||||||
| A | 188.34.131.148🇩🇪 Hetzner188.34.128.0/17 HETZNER-DC | ||||||
| PTR | lx46.hoststar.hosting | ||||||
| TXT | v=spf1 a:4t1.ch mx ~all | ||||||
| SOA | ns1.hoststar.hostinghostmaster@4t1.ch 2026-07-23 #1 | ||||||
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 2026-07-28 #18 | ||||||
Subdomains
mail.4t1.ch |
Same first word
Similar names
DNS History
7 records (4 active, 3 former)
●NSns1.hoststar.hosting2026-06-14 → 2026-07-28 · 3 obs
● 2026-06-14 17:15:12
● 2026-07-28 07:43:26
●NSns2.hoststar.hosting2026-06-14 → 2026-07-28 · 3 obs
● 2026-06-14 17:15:12
● 2026-07-28 07:43:26
○NSns31.hoststar.ch2015-07-24 → 2016-07-01 · 4 obs
● 2016-07-01 06:38:54
○ 2026-06-14 17:15:12
○ 2026-07-28 07:43:26
○NSns32.hoststar.ch2015-07-24 → 2016-07-01 · 4 obs
● 2016-07-01 06:38:54
○ 2026-06-14 17:15:12
○ 2026-07-28 07:43:26
●MXmail.4t1.ch2015-07-24 → 2026-07-28 · 2 obs
● 2026-07-28 07:43:26
●A188.34.131.1482026-06-14 → 2026-07-28 · 3 obs
● 2026-06-14 17:15:12
● 2026-07-28 07:43:26
○A85.10.192.1412015-07-24 → 2016-07-01 · 4 obs
● 2016-07-01 06:38:54
○ 2026-06-14 17:15:12
○ 2026-07-28 07:43:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ch | b.nic.ch, e.nic.ch, a.nic.ch, d.nic.ch... | 10 records |
| 4t1.ch | ns1.hoststar.hosting, ns2.hoststar.hosting | - |
✅ Authoritative Response
Server:185.48.228.80
NS records: ns1.hoststar.hosting, ns2.hoststar.hosting
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 903ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 188.34.131.148 |
| NS | 2 | ns1.hoststar.hosting, ns2.hoststar.hosting |
| MX | 1 | mail.4t1.ch (pri: 10) |
| TXT | 1 | v=spf1 a:4t1.ch mx ~all |
| SOA | 1 | ns1.hoststar.hosting hostmaster.4t1.ch |
📌 Glue Records Collected
Total: 10
In-bailiwick: 10 (b.nic.ch, b.nic.ch, e.nic.ch...)
Analysis
Hierarchy
4t1.ch is a parent domain of mail.4t1.ch.
IP Addresses
4t1.ch points to a single IP number: 188.34.131.148.
Additional host names — atag-pcs.ch, eucontact.ch, mail.kolypan.ch and two others — share IP numbers with 4t1.ch.
Name Servers
Two name servers handle the delegation for 4t1.ch: ns1.hoststar.hosting and ns2.hoststar.hosting.
4t1.ch shares its name server setup with other domains, including swissproviders.ch, fbe.ch, laubscher.net and two others.
4t1.ch at least partially shares name servers with other domains, including colorjet.ch, kybelia.ch, regall.ch and ehgrob.ch.
ns1.hoststar.hosting and ns2.hoststar.hosting each resolve to one IP number: ns1.hoststar.hosting points to 88.99.214.141 and ns2.hoststar.hosting points to 185.48.228.80.
Mail Servers
4t1.ch has one mail server: mail.4t1.ch.
mail.4t1.ch carries a single IP number, which is 188.34.131.148.