ct-0.ch - robtex.com
ct-0.ch
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 2001:1680:101:373::1🇨🇭 SOLNET2001:1680::/32 SolNet Switzerland | ||||||
| A | 185.178.193.183🇨🇭 hosttech-AS185.178.193.0/24 | ||||||
| NS | ns1.hosttech.ch ⭐ | ||||||
| A | 2001:1680:101:1::2🇨🇭 SOLNET2001:1680::/32 SolNet Switzerland | ||||||
| A | 82.220.34.231🇨🇭 SOLNET82.220.0.0/16 SolNet Switzerland | ||||||
| PTR | ns1.tripledns.eu | ||||||
| NS | ns2.hosttech.ch | ||||||
| A | 2001:1af8:4700:a120:4::2🇳🇱 LEASEWEB-NL-AMS-012001:1af8::/32 NL-LEASEWEB-20040408 Leaseweb | ||||||
| A | 5.79.97.178🇳🇱 LEASEWEB-NL-AMS-015.79.64.0/18 LEASEWEB | ||||||
| PTR | ns2.tripledns.eu | ||||||
| NS | ns3.hosttech.ch | ||||||
| A | 2a01:4f8:c0c:289d::2🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| A | 94.130.74.45🇩🇪 Hetzner94.130.0.0/16 HETZNER-DC | ||||||
| PTR | ns3.tripledns.eu | ||||||
| MX | mail.ct-0.ch ⭐ | ||||||
| A | 2001:1680:101:373::1🇨🇭 SOLNET2001:1680::/32 SolNet Switzerland | ||||||
| A | 185.178.193.183🇨🇭 hosttech-AS185.178.193.0/24 | ||||||
| PTR | mx253.mail.hosttech.eu | ||||||
| TXT | v=spf1 +mx +a include:_spf.mail.hostserv.eu ~all | ||||||
| SOA | ns1.hosttech.chdns@hosttech.eu 2026-04-13 #7 | ||||||
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 2026-05-02 #6 | ||||||
Subdomains
mail.ct-0.ch |
Same first word
ct-0.ch |
DNS History
7 records (6 active, 1 former)
●NSns1.hosttech.ch2026-03-08 → 2026-05-02 · 2 obs
● 2026-05-02 01:56:36
●NSns2.hosttech.ch2026-03-08 → 2026-05-02 · 2 obs
● 2026-05-02 01:56:36
●NSns3.hosttech.ch2026-03-08 → 2026-05-02 · 2 obs
● 2026-05-02 01:56:36
●MXmail.ct-0.ch2026-03-08 → 2026-05-02 · 2 obs
● 2026-05-02 01:56:36
●A185.178.193.1832026-04-14 → 2026-05-02 · 3 obs
● 2026-04-14 23:33:16
● 2026-05-02 01:56:36
●A2001:1680:101:373::12026-04-14 → 2026-05-02 · 3 obs
● 2026-04-14 23:33:16
● 2026-05-02 01:56:36
○A82.220.38.162026-03-08 → 2026-04-05 · 4 obs
● 2026-04-05 04:54:08
○ 2026-04-14 23:33:16
○ 2026-05-02 01:56:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ch | b.nic.ch, e.nic.ch, a.nic.ch, d.nic.ch... | - |
| ct-0.ch | ns2.hosttech.ch, ns3.hosttech.ch, ns1.hosttech.ch | 6 records |
✅ Authoritative Response
Server:82.220.34.231
NS records: ns2.hosttech.ch, ns3.hosttech.ch, ns1.hosttech.ch
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 809ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 185.178.193.183 |
| AAAA | 1 | 2001:1680:101:373::1 |
| NS | 3 | ns1.hosttech.ch, ns3.hosttech.ch... |
| MX | 1 | mail.ct-0.ch (pri: 10) |
| TXT | 1 | v=spf1 +mx +a include:_spf.mail.hostserv |
| SOA | 1 | ns1.hosttech.ch dns.hosttech.eu |
📌 Glue Records Collected
Total: 6
Out-of-bailiwick: 6 (ns3.hosttech.ch, ns2.hosttech.ch, ns1.hosttech.ch...)
Analysis
Hierarchy
The parent of mail.ct-0.ch is ct-0.ch.
IP Addresses
ct-0.ch points to two IP numbers: 2001:1680:101:373::1 and 185.178.193.183.
Other host names such as silviart.ch, mail.hegel.ch, mc-1.ch, medatura.com and atria.ssl.hosttech.eu share IPs with ct-0.ch.
Name Servers
ct-0.ch is delegated to three name servers: ns1.hosttech.ch, ns2.hosttech.ch and ns3.hosttech.ch.
ct-0.ch at least partially shares name servers with other domains, for instance mt-klima.ch, hosttechpartner.net, letzikids.ch, doujak.ch and tiv.ch.
These name servers are commonly used with ns1.hostserv.eu, ns2.hostserv.eu, ns3.hostserv.eu, ns1.hosttech.at, ns2.hosttech.at and ns3.hosttech.at.
Host ns1.hosttech.ch points to 2001:1680:101:1::2 and 82.220.34.231; Host ns2.hosttech.ch points to 2001:1af8:4700:a120:4::2 and 5.79.97.178; Host ns3.hosttech.ch points to 2a01:4f8:c0c:289d::2 and 94.130.74.45.
Mail Servers
ct-0.ch is handled by a single mail server, mail.ct-0.ch.
mail.ct-0.ch points to two IPs: 2001:1680:101:373::1 and 185.178.193.183.