code4school.ch - robtex.com
code4school.ch
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:50c0:8000::153🇺🇸 Fastly2606:50c0:8000::/48 88 Colin P Kelly Jr Street San Francisco CA 94107 United States | ||||||
| A | 2606:50c0:8001::153🇺🇸 Fastly2606:50c0:8001::/48 + 88 Colin P Kelly Jr Street San Francisco CA 94107 United States | ||||||
| A | 2606:50c0:8002::153🇺🇸 Fastly2606:50c0:8002::/48 + 88 Colin P Kelly Jr Street San Francisco CA 94107 United States | ||||||
| A | 2606:50c0:8003::153🇺🇸 Fastly2606:50c0:8003::/48 + 88 Colin P Kelly Jr Street San Francisco CA 94107 United States | ||||||
| A | 185.199.108.153🇺🇸 Fastly185.199.108.0/24 GitHub - 185.199.108.0/24 | ||||||
| A | 185.199.109.153🇺🇸 Fastly185.199.109.0/24 GitHub - 185.199.109.0/24 | ||||||
| A | 185.199.110.153🇺🇸 Fastly185.199.110.0/24 GitHub - 185.199.110.0/24 | ||||||
| A | 185.199.111.153🇺🇸 Fastly185.199.111.0/24 GitHub - 185.199.111.0/24 | ||||||
| NS | ns31.cloudns.net ⭐ | ||||||
| NS | ns32.cloudns.net | ||||||
| NS | ns33.cloudns.net | ||||||
| NS | ns34.cloudns.net | ||||||
| MX | mailforward1.cloudns.net ⭐ | ||||||
| MX | mailforward2.cloudns.net(10) | ||||||
| SOA | ns31.cloudns.netsupport@cloudns.net 2021-09-30 #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 2026-09-21 #37 | ||||||
Same first word
code4school.com |
code4school.ch |
DNS History
14 records (14 active, 0 former)
●NSns31.cloudns.net2026-09-05 → 2026-09-21 · 2 obs
● 2026-09-05 12:02:22
● 2026-09-21 16:55:08
● 2026-09-21 16:55:08
●NSns32.cloudns.net2026-09-05 → 2026-09-21 · 2 obs
● 2026-09-05 12:02:22
● 2026-09-21 16:55:08
● 2026-09-21 16:55:08
●NSns33.cloudns.net2026-09-05 → 2026-09-21 · 2 obs
● 2026-09-05 12:02:22
● 2026-09-21 16:55:08
● 2026-09-21 16:55:08
●NSns34.cloudns.net2026-09-05 → 2026-09-21 · 2 obs
● 2026-09-05 12:02:22
● 2026-09-21 16:55:08
● 2026-09-21 16:55:08
●MXmailforward1.cloudns.net2026-09-05 → 2026-09-21 · 2 obs
● 2026-09-05 12:02:22
● 2026-09-21 16:55:08
● 2026-09-21 16:55:08
●MXmailforward2.cloudns.net2026-09-05 → 2026-09-21 · 2 obs
● 2026-09-05 12:02:22
● 2026-09-21 16:55:08
● 2026-09-21 16:55:08
●A185.199.108.1532026-09-05 → 2026-09-21 · 2 obs
● 2026-09-05 12:02:22
● 2026-09-21 16:55:08
● 2026-09-21 16:55:08
●A185.199.109.1532026-09-05 → 2026-09-21 · 2 obs
● 2026-09-05 12:02:22
● 2026-09-21 16:55:08
● 2026-09-21 16:55:08
●A185.199.110.1532026-09-05 → 2026-09-21 · 2 obs
● 2026-09-05 12:02:22
● 2026-09-21 16:55:08
● 2026-09-21 16:55:08
●A185.199.111.1532026-09-05 → 2026-09-21 · 2 obs
● 2026-09-05 12:02:22
● 2026-09-21 16:55:08
● 2026-09-21 16:55:08
●A2606:50c0:8000::1532026-09-05 → 2026-09-21 · 2 obs
● 2026-09-05 12:02:22
● 2026-09-21 16:55:08
● 2026-09-21 16:55:08
●A2606:50c0:8001::1532026-09-05 → 2026-09-21 · 2 obs
● 2026-09-05 12:02:22
● 2026-09-21 16:55:08
● 2026-09-21 16:55:08
●A2606:50c0:8002::1532026-09-05 → 2026-09-21 · 2 obs
● 2026-09-05 12:02:22
● 2026-09-21 16:55:08
● 2026-09-21 16:55:08
●A2606:50c0:8003::1532026-09-05 → 2026-09-21 · 2 obs
● 2026-09-05 12:02:22
● 2026-09-21 16:55:08
● 2026-09-21 16:55:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ch | b.nic.ch, e.nic.ch, a.nic.ch, d.nic.ch... | 10 records |
| code4school.ch | ns34.cloudns.net, ns31.cloudns.net, ns32.cloudns.net, ns33.cloudns.net | - |
✅ Authoritative Response
Server:185.206.180.104
NS records: ns34.cloudns.net, ns31.cloudns.net, ns32.cloudns.net, ns33.cloudns.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for code4school.ch (unsigned zone)
⏱️ Timing
Total: 1780ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 4 | 185.199.109.153, 185.199.111.153... |
| AAAA | 4 | 2606:50c0:8001::153, 2606:50c0:8002::153... |
| NS | 4 | ns32.cloudns.net, ns33.cloudns.net... |
| MX | 2 | mailforward2.cloudns.net (pri: 10), mailforward1.cloudns.net (pri: 5) |
| SOA | 1 | ns31.cloudns.net support.cloudns.net |
📌 Glue Records Collected
Total: 10
In-bailiwick: 10 (b.nic.ch, b.nic.ch, e.nic.ch...)
Analysis
IP Addresses
code4school.ch directs to 8 IP numbers: 185.199.108.153, 185.199.109.153, 185.199.110.153 and 5 other.
Name Servers
The NS records for code4school.ch point to four name servers: ns31.cloudns.net, ns32.cloudns.net, ns33.cloudns.net and ns34.cloudns.net.
Mail Servers
code4school.ch is served by two mail servers, mailforward1.cloudns.net and mailforward2.cloudns.net.