bollehrer.ch - robtex.com
bollehrer.ch
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2a01:ab20:0:4::36🇨🇭 CYON2a01:ab20::/32 | ||||||
| PTR | s027.cyon.net | ||||||
| A | 149.126.4.36🇨🇭 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 | bollehrer.ch ⭐ | ||||||
| A | 2a01:ab20:0:4::36🇨🇭 CYON2a01:ab20::/32 | ||||||
| PTR | s027.cyon.net | ||||||
| A | 149.126.4.36🇨🇭 CYON149.126.0.0/21 cyon GmbH | ||||||
| PTR | s027.cyon.net | ||||||
| TXT | v=spf1 ip4:149.126.4.36 +a +mx +ip4:194.126.200.0/24 +ip4:149.126.0.0/21 -all | ||||||
| SOA | ns1.cyon.chserver@cyon.ch 2021-01-25 #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 2026-05-02 #0 | ||||||
MX for
bollehrer.ch |
Same first word
bollehrer.ch |
DNS History
5 records (5 active, 0 former)
●MXbollehrer.ch2026-04-07 → 2026-05-01 · 4 obs
○ 2026-04-13 14:20:24
● 2026-04-17 22:53:28
● 2026-05-01 22:36:46
●A149.126.4.362026-04-07 → 2026-05-01 · 4 obs
○ 2026-04-13 14:20:24
● 2026-04-17 22:53:28
● 2026-05-01 22:36:46
●A2a01:ab20:0:4::362026-04-07 → 2026-05-01 · 4 obs
○ 2026-04-13 14:20:24
● 2026-04-17 22:53:28
● 2026-05-01 22:36:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ch | a.nic.ch, b.nic.ch, d.nic.ch, e.nic.ch... | - |
| bollehrer.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: 810ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 149.126.4.36 |
| AAAA | 1 | 2a01:ab20:0:4::36 |
| NS | 2 | ns2.cyon.ch, ns1.cyon.ch |
| MX | 1 | bollehrer.ch (pri: 0) |
| TXT | 1 | v=spf1 ip4:149.126.4.36 +a +mx +ip4:194. |
| 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
Mail Server Role
For bollehrer.ch, the mail server is bollehrer.ch.
IP Addresses
bollehrer.ch resolves to two IP numbers: 2a01:ab20:0:4::36 and 149.126.4.36.
other host names including mx0.totenhemd.ch, www.screenimage.ch, mail.lausch.ch, dimka.ch and eternity-jo.ch share IP numbers with bollehrer.ch.
Name Servers
bollehrer.ch is delegated to two name servers ns1.cyon.ch and ns2.cyon.ch.
bollehrer.ch shares the same name server setup as other domains, for instance rojoma.ch, jps-architektur.ch, elipslife.be, ejbb.ch and zapoo.ch.
bollehrer.ch at least partially shares name servers with other domains, for instance bjinstitute.org.
Host names with two IP numbers:
The host name ns1.cyon.ch points to 2a01:ab20:0:185::2 and 185.174.216.2; the host name ns2.cyon.ch points to 2001:67c:234::2 and 91.206.24.2.
Mail Servers
bollehrer.ch is served by a single mail server, bollehrer.ch.
bollehrer.ch resolves to two IP numbers: 2a01:ab20:0:4::36 and 149.126.4.36.