ctu-bern.ch - robtex.com
ctu-bern.ch
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 2a01:ab20:0:6::172🇨🇭 CYON2a01:ab20::/32 | ||||||
| PTR | vsa-syzifo.cyon.net | ||||||
| A | 149.126.6.172🇨🇭 CYON149.126.0.0/21 cyon GmbH | ||||||
| NS | ns1.cyon.ch ⭐ | ||||||
| A | 2a01:ab20:0:185::2🇨🇭 CYON2a01:ab20::/32 | ||||||
| A | 185.174.216.2🇨🇭 CYON185.174.216.0/22 | ||||||
| PTR | ns1.cyon.ch | ||||||
| NS | ns2.cyon.ch | ||||||
| A | 2001:67c:234::2🇨🇭 CYON2001:67c:234::/48 cyon GmbH | ||||||
| A | 91.206.24.2🇨🇭 CYON91.206.24.0/23 Cyon GmbH | ||||||
| PTR | ns2.cyon.ch | ||||||
| MX | mail.ctu-bern.ch ⭐ | ||||||
| A | 2a01:ab20:0:6::172🇨🇭 CYON2a01:ab20::/32 | ||||||
| PTR | vsa-syzifo.cyon.net | ||||||
| A | 149.126.6.172🇨🇭 CYON149.126.0.0/21 cyon GmbH | ||||||
| PTR | vsa-syzifo.cyon.net | ||||||
| TXT | v=spf1 a:smgw2.iron.blm.oriented.ch include:spf.protection.cyon.net -all | ||||||
| TXT | v=spf1 a mx a:smgw2.iron.blm.oriented.ch ~all | ||||||
| SOA | ns1.cyon.chserver@cyon.ch 2023-11-22 #5 | ||||||
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 2026-04-11 #38 | ||||||
Subdomains
mail.ctu-bern.ch |
Same first word
ctu-bern.ch |
DNS History
9 records (5 active, 4 former)
●NSns1.cyon.ch2026-03-19 → 2026-04-11 · 3 obs
● 2026-03-19 23:51:08
● 2026-04-11 17:46:18
●NSns2.cyon.ch2026-03-19 → 2026-04-11 · 3 obs
● 2026-03-19 23:51:08
● 2026-04-11 17:46:18
○NSns5.nine.ch2015-08-03 → 2017-08-22 · 4 obs
● 2017-08-22 00:44:08
○ 2026-03-19 23:51:08
○ 2026-04-11 17:46:18
○NSns6.nine.ch2015-08-03 → 2017-08-22 · 4 obs
● 2017-08-22 00:44:08
○ 2026-03-19 23:51:08
○ 2026-04-11 17:46:18
●MXmail.ctu-bern.ch2026-03-19 → 2026-04-11 · 3 obs
● 2026-03-19 23:51:08
● 2026-04-11 17:46:18
○MXmail.ssl-redirect.de2016-09-18 → 2017-08-22 · 4 obs
● 2017-08-22 00:44:08
○ 2026-03-19 23:51:08
○ 2026-04-11 17:46:18
●A149.126.6.1722026-03-19 → 2026-04-11 · 3 obs
● 2026-03-19 23:51:08
● 2026-04-11 17:46:18
●A2a01:ab20:0:6::1722026-03-19 → 2026-04-11 · 3 obs
● 2026-03-19 23:51:08
● 2026-04-11 17:46:18
○A5.148.180.2102015-08-03 → 2017-08-22 · 4 obs
● 2017-08-22 00:44:08
○ 2026-03-19 23:51:08
○ 2026-04-11 17:46:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ch | b.nic.ch, e.nic.ch, a.nic.ch, d.nic.ch... | - |
| ctu-bern.ch | ns1.cyon.ch, ns2.cyon.ch | 4 records |
✅ Authoritative Response
Server:91.206.24.2
NS records: ns1.cyon.ch, ns2.cyon.ch
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 657ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 149.126.6.172 |
| AAAA | 1 | 2a01:ab20:0:6::172 |
| NS | 2 | ns2.cyon.ch, ns1.cyon.ch |
| MX | 1 | mail.ctu-bern.ch (pri: 0) |
| TXT | 2 | v=spf1 a:smgw2.iron.blm.oriented.ch incl, v=spf1 a mx a:smgw2.iron.blm.oriented.ch |
| SOA | 1 | ns1.cyon.ch server.cyon.ch |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns2.cyon.ch, ns1.cyon.ch, ns2.cyon.ch...)
Analysis
Hierarchy
The parent of mail.ctu-bern.ch is ctu-bern.ch.
IP Addresses
ctu-bern.ch points to two IP numbers: 2a01:ab20:0:6::172 and 149.126.6.172.
Other host names such as mail.canupis.ch, mail.kinderkrebsregister.ch, registrotumoripediatrici.ch, mail.ispm.ch and miwoca.ch share IPs with ctu-bern.ch.
Name Servers
ctu-bern.ch is delegated to two name servers: ns1.cyon.ch and ns2.cyon.ch.
ctu-bern.ch shares the same name server setup as leonardogalli.ch, blog360.ch, pretest-triceps-kit.com, bergius.ch and companie-of-st-george.ch.
Host names with two IP numbers: ns1.cyon.ch points to: 2a01:ab20:0:185::2 and 185.174.216.2; ns2.cyon.ch points to: 2001:67c:234::2 and 91.206.24.2.
Mail Servers
ctu-bern.ch is handled by a single mail server, mail.ctu-bern.ch.
mail.ctu-bern.ch points to two IPs: 2a01:ab20:0:6::172 and 149.126.6.172.