rt37.ch - dns.ninja
rt37.ch
| DNSSEC | ⚠️ Not signed | ||||||
| A | 158.69.225.79🇨🇦 OVH158.69.0.0/16 Hosting route | ||||||
| PTR | host.fbisa.ch | ||||||
| NS | ns1.rt37.ch ⭐ ⚠️ Not in parent delegation | ||||||
| A | 158.69.225.79🇨🇦 OVH158.69.0.0/16 Hosting route | ||||||
| PTR | host.fbisa.ch | ||||||
| NS | ns.rt37.ch ⚠️ Not in parent delegation | ||||||
| A | 158.69.225.79🇨🇦 OVH158.69.0.0/16 Hosting route | ||||||
| PTR | host.fbisa.ch | ||||||
| NS | ns1.host.fbisa.ch ⚠️ Not in zone NS records | ||||||
| A | 158.69.225.79🇨🇦 OVH158.69.0.0/16 Hosting route | ||||||
| PTR | host.fbisa.ch | ||||||
| MX | mail.rt37.ch ⭐ | ||||||
| A | 158.69.225.79🇨🇦 OVH158.69.0.0/16 Hosting route | ||||||
| PTR | host.fbisa.ch | ||||||
| TXT | v=spf1 +a +mx -all | ||||||
| SOA | ns.rt37.chinfo@fbisa.ch serial=1782825661 | ||||||
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 #25 | ||||||
Subdomains
Same first word
Similar names
DNS History
9 records (5 active, 4 former)
○NShost.fbisa.ch2016-01-22 → 2016-05-04 · 5 obs
● 2016-01-22 12:34:16
● 2016-05-04 00:35:56
○ 2017-04-24 14:28:32
○ 2026-07-05 11:22:14
●NSns.rt37.ch2015-07-02 → 2026-07-05 · 6 obs
● 2015-11-03 09:48:32
○ 2016-01-22 12:34:16
○ 2016-05-04 00:35:56
● 2017-04-24 14:28:32
● 2026-07-05 11:22:14
●NSns1.host.fbisa.ch2026-04-06 → 2026-07-05 · 3 obs
● 2026-04-06 22:51:34
● 2026-07-05 11:22:14
●NSns1.rt37.ch2020-02-21 → 2026-07-05 · 3 obs
● 2020-02-21 18:31:04
● 2026-07-05 11:22:14
●MXmail.rt37.ch2015-07-02 → 2026-07-05 · 2 obs
● 2026-07-05 11:22:14
●A158.69.225.792026-04-06 → 2026-07-05 · 3 obs
● 2026-04-06 22:51:34
● 2026-07-05 11:22:14
○A212.40.15.462015-07-02 → 2015-11-03 · 4 obs
● 2015-11-03 09:48:32
○ 2016-01-22 12:34:16
○ 2026-07-05 11:22:14
○A37.187.173.492016-01-22 → 2017-04-24 · 5 obs
● 2016-01-22 12:34:16
● 2017-04-24 14:28:32
○ 2020-02-21 18:31:04
○ 2026-07-05 11:22:14
○A91.121.61.2172020-02-21 → 2020-02-21 · 4 obs
● 2020-02-21 18:31:04
○ 2026-04-06 22:51:34
○ 2026-07-05 11:22:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ch | a.nic.ch, b.nic.ch, d.nic.ch, e.nic.ch... | - |
| rt37.ch | ns1.host.fbisa.ch | - |
✅ Authoritative Response
Server:158.69.225.79
NS records: ns1.host.fbisa.ch
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for rt37.ch (unsigned zone)
⏱️ Timing
Total: 1522ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 158.69.225.79 |
| NS | 2 | ns.rt37.ch, ns1.rt37.ch |
| MX | 1 | mail.rt37.ch (pri: 10) |
| TXT | 1 | v=spf1 +a +mx -all |
| SOA | 1 | ns.rt37.ch info.fbisa.ch |
Analysis
Hierarchy
rt37.ch sits above ns1.rt37.ch, mail.rt37.ch and ns.rt37.ch in the domain hierarchy.
IP Addresses
rt37.ch points to a single IP number: 158.69.225.79.
Additional host names — ns1.colorcentre.ch, ns1.host.fbisa.ch, jordan-immobilier.ch and two others — share IP numbers with rt37.ch.
Name Servers
rt37.ch is served by three name servers: ns1.rt37.ch, ns.rt37.ch and ns1.host.fbisa.ch.
There is at least partial name server overlap between rt37.ch and other domains — heg-informatique.ch, immotransactions.ch, baechler.la and two more among them.
These name servers regularly appear alongside ns.host.fbisa.ch, ns1.heg-informatique.ch, ns.heg-informatique.ch and 7 other name servers in NS record sets.
The hosts ns1.rt37.ch, ns.rt37.ch and ns1.host.fbisa.ch each direct to 158.69.225.79; one IP address covers all three.
ns1.rt37.ch, ns.rt37.ch and ns1.host.fbisa.ch are host names that all point to 158.69.225.79.
Mail Servers
rt37.ch has one mail server: mail.rt37.ch.
mail.rt37.ch resolves to 158.69.225.79 and no other IP number.