tklu.ch - dns.ninja
tklu.ch
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2a01:ab20:0:4::72🇨🇭 CYON2a01:ab20::/32 | ||||||
| PTR | s063.cyon.net | ||||||
| A | 149.126.4.72🇨🇭 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 | tklu.ch ⭐ | ||||||
| A | 2a01:ab20:0:4::72🇨🇭 CYON2a01:ab20::/32 | ||||||
| PTR | s063.cyon.net | ||||||
| A | 149.126.4.72🇨🇭 CYON149.126.0.0/21 cyon GmbH | ||||||
| PTR | s063.cyon.net | ||||||
| SOA | ns1.cyon.chserver@cyon.ch 2021-01-26 #77 | ||||||
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 2026-07-06 #17 | ||||||
MX for
tklu.ch |
Same first word
Similar names
DNS History
6 records (5 active, 1 former)
●MXtklu.ch2015-07-13 → 2026-07-06 · 5 obs
● 2026-05-12 21:28:12
○ 2026-05-13 01:16:14
● 2026-05-16 15:49:38
● 2026-07-06 07:02:58
●A149.126.4.722017-12-20 → 2026-07-06 · 6 obs
● 2017-12-20 03:49:40
● 2026-05-12 21:28:12
○ 2026-05-13 01:16:14
● 2026-05-16 15:49:38
● 2026-07-06 07:02:58
○A194.126.200.492015-07-13 → 2017-01-09 · 4 obs
● 2017-01-09 22:48:24
○ 2017-12-20 03:49:40
○ 2026-07-06 07:02:58
●A2a01:ab20:0:4::722026-02-22 → 2026-07-06 · 6 obs
● 2026-02-22 10:15:10
● 2026-05-12 21:28:12
○ 2026-05-13 01:16:14
● 2026-05-16 15:49:38
● 2026-07-06 07:02:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ch | b.nic.ch, e.nic.ch, a.nic.ch, d.nic.ch... | 10 records |
| tklu.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: 932ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 149.126.4.72 |
| AAAA | 1 | 2a01:ab20:0:4::72 |
| NS | 2 | ns1.cyon.ch, ns2.cyon.ch |
| MX | 1 | tklu.ch (pri: 0) |
| SOA | 1 | ns1.cyon.ch server.cyon.ch |
📌 Glue Records Collected
Total: 14
In-bailiwick: 10 (b.nic.ch, b.nic.ch, e.nic.ch...)
Out-of-bailiwick: 4 (ns2.cyon.ch, ns1.cyon.ch, ns2.cyon.ch...)
Analysis
Mail Server Role
tklu.ch is listed as a mail server for itself.
IP Addresses
tklu.ch points to the IP addresses 149.126.4.72 and 2a01:ab20:0:4::72
mail.substrat.expert, mail.boulder-sport.de, boulder-sport.de and two other host names share IP numbers with tklu.ch.
Name Servers
DNS delegation for tklu.ch points to two name servers: ns1.cyon.ch and ns2.cyon.ch.
tklu.ch uses the same name servers as several other domains — among them 1529.ch, 8260.ch, citymonitoring.ch and two more.
ns1.cyon.ch directs to 185.174.216.2 and 2a01:ab20:0:185::2. ns2.cyon.ch directs to 91.206.24.2 and 2001:67c:234::2. Each host name carries two IP addresses.
Mail Servers
Mail for tklu.ch is handled by one mail server — tklu.ch.
tklu.ch resolves to two IP numbers — 149.126.4.72 and 2a01:ab20:0:4::72.