erfs.ch - robtex.com
erfs.ch
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.cyon.ch ⚠️ Not in zone NS records | ||||||
| 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 ⚠️ Not in zone NS records | ||||||
| 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 | ||||||
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 2026-07-31 #32 | ||||||
Same first word
Similar names
DNS History
6 records (2 active, 4 former)
○NSns.ch-inter.net2015-07-04 → 2020-11-02 · 4 obs
● 2020-11-02 05:37:18
○ 2026-06-28 02:29:10
○ 2026-07-31 14:24:00
●NSns1.cyon.ch2026-06-28 → 2026-07-31 · 3 obs
● 2026-06-28 02:29:10
● 2026-07-31 14:24:00
○NSns2.ch-inter.net2015-07-04 → 2020-11-02 · 4 obs
● 2020-11-02 05:37:18
○ 2026-06-28 02:29:10
○ 2026-07-31 14:24:00
●NSns2.cyon.ch2026-06-28 → 2026-07-31 · 3 obs
● 2026-06-28 02:29:10
● 2026-07-31 14:24:00
○MXmail.erfs.ch2015-07-04 → 2020-11-02 · 4 obs
● 2020-11-02 05:37:18
○ 2026-06-28 02:29:10
○ 2026-07-31 14:24:00
○A94.126.17.1002015-07-04 → 2020-11-02 · 4 obs
● 2020-11-02 05:37:18
○ 2026-06-28 02:29:10
○ 2026-07-31 14:24:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ch | a.nic.ch, b.nic.ch, d.nic.ch, e.nic.ch... | - |
| erfs.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
⚠️ Insecure (no DNSSEC)
No DS record for erfs.ch (unsigned zone)
⏱️ Timing
Total: 446ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns1.cyon.ch, ns2.cyon.ch, ns1.cyon.ch...)
Analysis
Name Servers
Two name servers handle the delegation for erfs.ch: ns1.cyon.ch and ns2.cyon.ch.
The name server configuration of erfs.ch is shared with other domains, for instance alcyone.ch, museum-fuer-alte-landtechnik.de, marcwyss.me and two others.
erfs.ch is at least partially co-delegated on name servers with other domains, such as fotodoku.ch.
ns1.cyon.ch and ns2.cyon.ch both carry two IP addresses. The A records for ns1.cyon.ch are 185.174.216.2 and 2a01:ab20:0:185::2; the A records for ns2.cyon.ch are 91.206.24.2 and 2001:67c:234::2.