blockchains.ch - dns.ninja
blockchains.ch
| DNSSEC | ⚠️ Not signed | ||||||
| A | 95.216.36.239🇫🇮 Hetzner95.216.0.0/16 HETZNER-DC | ||||||
| PTR | static.239.36.216.95.clients.your-server.de | ||||||
| NS | ns1.first-ns.de ⭐ | ||||||
| A | 2a01:4f8:0:a101::a:1🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| PTR | ns1.first-ns.de | ||||||
| A | 213.239.242.238🇩🇪 Hetzner213.239.192.0/18 HETZNER-RZ-NBG-BLK2 | ||||||
| PTR | ns1.first-ns.de | ||||||
| NS | robotns2.second-ns.de | ||||||
| A | 2a01:4f8:0:1::5ddc:2🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| PTR | robotns2.second-ns.de | ||||||
| A | 213.133.100.103🇩🇪 Hetzner213.133.96.0/19 HETZNER-RZ-NBG-BLK1 | ||||||
| PTR | robotns2.second-ns.de | ||||||
| NS | robotns3.second-ns.com | ||||||
| A | 2001:67c:192c::add:a3🇩🇪 NORIS-NETWORK2001:67c:192c::/48 | ||||||
| PTR | robotns3.second-ns.com | ||||||
| A | 193.47.99.3🇩🇪 NORIS-NETWORK193.47.99.0/24 | ||||||
| PTR | robotns3.second-ns.com | ||||||
| MX | mail.blockchains.ch ⭐ | ||||||
| A | 95.216.36.239🇫🇮 Hetzner95.216.0.0/16 HETZNER-DC | ||||||
| PTR | static.239.36.216.95.clients.your-server.de | ||||||
| SOA | ns1.first-ns.dedns@hetzner.com 2026-04-14 #0 | ||||||
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 2026-06-20 #28 | ||||||
Subdomains
mail.blockchains.ch |
Same first word
Similar names
DNS History
5 records (5 active, 0 former)
●NSns1.first-ns.de2026-02-22 → 2026-06-20 · 2 obs
● 2026-06-20 12:59:48
●NSrobotns2.second-ns.de2026-02-22 → 2026-06-20 · 2 obs
● 2026-06-20 12:59:48
●NSrobotns3.second-ns.com2026-02-22 → 2026-06-20 · 2 obs
● 2026-06-20 12:59:48
●MXmail.blockchains.ch2026-02-22 → 2026-06-20 · 2 obs
● 2026-06-20 12:59:48
●A95.216.36.2392026-02-22 → 2026-06-20 · 2 obs
● 2026-06-20 12:59:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ch | e.nic.ch, f.nic.ch, b.nic.ch, d.nic.ch... | - |
| blockchains.ch | robotns3.second-ns.com, ns1.first-ns.de, robotns2.second-ns.de | - |
✅ Authoritative Response
Server:193.47.99.3
NS records: robotns3.second-ns.com, ns1.first-ns.de, robotns2.second-ns.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for blockchains.ch (unsigned zone)
⏱️ Timing
Total: 761ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 95.216.36.239 |
| NS | 3 | ns1.first-ns.de, robotns2.second-ns.de... |
| MX | 1 | mail.blockchains.ch (pri: 10) |
| SOA | 1 | ns1.first-ns.de dns.hetzner.com |
Analysis
Hierarchy
mail.blockchains.ch is a subdomain of blockchains.ch.
IP Addresses
blockchains.ch resolves to just one IP address, 95.216.36.239.
static.239.36.216.95.clients.your-server.de and mail.blockchains.ch are among other host names that share IP numbers with blockchains.ch.
Name Servers
DNS for blockchains.ch is handled by three authoritative name servers: robotns3.second-ns.com, ns1.first-ns.de and robotns2.second-ns.de.
The name servers of blockchains.ch overlap at least partially with those of other domains — among them dotmuc.de, traumlampen.de, boyens.xyz and two more.
These name servers commonly appear in combination with the name servers hydrogen.ns.hetzner.com.
Three hostnames — robotns3.second-ns.com, ns1.first-ns.de and robotns2.second-ns.de — each have two IP addresses: robotns3.second-ns.com has 193.47.99.3 and 2001:67c:192c::add:a3, ns1.first-ns.de has 213.239.242.238 and 2a01:4f8:0:a101::a:1, and robotns2.second-ns.de has 213.133.100.103 and 2a01:4f8:0:1::5ddc:2.
Mail Servers
The sole mail server for blockchains.ch is mail.blockchains.ch.
mail.blockchains.ch has exactly one IP number: 95.216.36.239.