cerro.ch - robtex.com
cerro.ch
| DNSSEC | ⚠️ Not signed | ||||||
| A | 51.83.31.76🇫🇷 OVH51.83.0.0/16 | ||||||
| PTR | tabellarius01.itaca.ch | ||||||
| NS | ns1.itaca.ch ⭐ | ||||||
| A | 51.83.31.79🇫🇷 OVH51.83.0.0/16 | ||||||
| PTR | ns1.itaca.ch | ||||||
| NS | ns2.itaca.ch | ||||||
| A | 137.74.22.130🇫🇷 OVH137.74.0.0/16 | ||||||
| PTR | 137-74-22-130.itaca.ch | ||||||
| MX | mail.cerro.ch ⭐ | ||||||
| A | 51.83.31.76🇫🇷 OVH51.83.0.0/16 | ||||||
| PTR | tabellarius01.itaca.ch | ||||||
| MX | mx.cerro.ch(10) | ||||||
| A | 51.83.31.76🇫🇷 OVH51.83.0.0/16 | ||||||
| PTR | tabellarius01.itaca.ch | ||||||
| TXT | v=spf1 include:spf.itaca.ch -all | ||||||
| SOA | ns1.itaca.chgiuseppe@cerro.ch 2026-01-29 #2 | ||||||
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 2026-05-09 #42 | ||||||
Subdomains
Same first word
Similar names
DNS History
6 records (5 active, 1 former)
●NSns1.itaca.ch2015-08-20 → 2026-05-09 · 6 obs
● 2016-03-11 10:50:12
○ 2016-07-05 02:53:38
○ 2016-12-03 19:43:08
● 2017-07-02 08:17:52
● 2026-05-09 19:50:26
●NSns2.itaca.ch2015-08-20 → 2026-05-09 · 6 obs
● 2016-03-11 10:50:12
○ 2016-07-05 02:53:38
○ 2016-12-03 19:43:08
● 2017-07-02 08:17:52
● 2026-05-09 19:50:26
●MXmail.cerro.ch2026-03-26 → 2026-05-09 · 3 obs
● 2026-03-26 02:32:00
● 2026-05-09 19:50:26
●MXmx.cerro.ch2015-08-20 → 2026-05-09 · 6 obs
● 2016-03-11 10:50:12
○ 2016-07-05 02:53:38
○ 2016-12-03 19:43:08
● 2017-07-02 08:17:52
● 2026-05-09 19:50:26
●A51.83.31.762026-03-26 → 2026-05-09 · 3 obs
● 2026-03-26 02:32:00
● 2026-05-09 19:50:26
○A85.25.243.802015-08-20 → 2017-07-02 · 7 obs
● 2016-03-11 10:50:12
○ 2016-07-05 02:53:38
○ 2016-12-03 19:43:08
● 2017-07-02 08:17:52
○ 2026-03-26 02:32:00
○ 2026-05-09 19:50:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ch | a.nic.ch, b.nic.ch, d.nic.ch, e.nic.ch... | - |
| cerro.ch | ns1.itaca.ch, ns2.itaca.ch | 2 records |
✅ Authoritative Response
Server:51.83.31.79
NS records: ns1.itaca.ch, ns2.itaca.ch
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cerro.ch (unsigned zone)
⏱️ Timing
Total: 608ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 51.83.31.76 |
| NS | 2 | ns2.itaca.ch, ns1.itaca.ch |
| MX | 2 | mx.cerro.ch (pri: 10), mail.cerro.ch (pri: 0) |
| TXT | 1 | v=spf1 include:spf.itaca.ch -all |
| SOA | 1 | ns1.itaca.ch giuseppe.cerro.ch |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns2.itaca.ch, ns1.itaca.ch)
Analysis
Hierarchy
cerro.ch is parent of mail.cerro.ch and mx.cerro.ch.
IP Addresses
cerro.ch points to a single IP: 51.83.31.76.
Other host names, for instance mail.cerro.ch, aoticino.com, mx.cerro.ch, tabellarius01.itaca.ch and www.itaca.ch share IP numbers with cerro.ch.
Name Servers
cerro.ch's delegation is to two name servers ns1.itaca.ch and ns2.itaca.ch.
cerro.ch shares the same name server configuration as other domains, such as florean.ch, cafe-web.net, nonsolomoda.ch, 1432.ch and daaa.ch.
Host names with a single IP:
ns1.itaca.ch resolves to 51.83.31.79.
ns2.itaca.ch resolves to 137.74.22.130.
Mail Servers
Two mail servers mail.cerro.ch and mx.cerro.ch handle cerro.ch.
Host names with one IP number: mail.cerro.ch and mx.cerro.ch point to 51.83.31.76.