zkb-elearning.ch - dns.ninja
zkb-elearning.ch
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 81.88.58.216🇮🇹 REGISTER-AS81.88.58.0/24 Register.IT S.p.A. prefix | ||||||
| NS | dns1.swizzonic.ch ⭐ | ||||||
| A | 2a01:8100:2911::2:184:5🇮🇹 REGISTER-AS2a01:8100:2000::/36 | ||||||
| A | 81.88.61.5🇮🇹 REGISTER-AS81.88.48.0/20 Register.IT S.p.A. prefix | ||||||
| PTR | host-81-88-61-5.dedicatedservers.it | ||||||
| NS | dns2.swizzonic.ch | ||||||
| A | 2a01:8100:2901::1:183:202🇮🇹 REGISTER-AS2a01:8100:2000::/36 | ||||||
| A | 81.88.58.219🇮🇹 REGISTER-AS81.88.58.0/24 Register.IT S.p.A. prefix | ||||||
| SOA | dns1.swizzonic.chhostmaster@swizzonic.ch 2022-11-23 #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 2026-07-12 #9 | ||||||
Same first word
zkb-elearning.ch |
DNS History
7 records (3 active, 4 former)
●NSdns1.swizzonic.ch2026-03-12 → 2026-07-12 · 3 obs
● 2026-03-12 04:00:16
● 2026-07-12 02:58:32
●NSdns2.swizzonic.ch2026-03-12 → 2026-07-12 · 3 obs
● 2026-03-12 04:00:16
● 2026-07-12 02:58:32
○NSns1.netrics.ch2015-08-16 → 2016-09-22 · 4 obs
● 2016-09-22 03:46:18
○ 2018-08-04 22:39:06
○ 2026-07-12 02:58:32
○NSns2.netrics.ch2015-08-16 → 2016-09-22 · 4 obs
● 2016-09-22 03:46:18
○ 2018-08-04 22:39:06
○ 2026-07-12 02:58:32
○MXrelay.netrics.ch2015-08-16 → 2016-09-22 · 4 obs
● 2016-09-22 03:46:18
○ 2018-08-04 22:39:06
○ 2026-07-12 02:58:32
○A81.18.28.2532015-08-16 → 2016-09-22 · 4 obs
● 2016-09-22 03:46:18
○ 2018-08-04 22:39:06
○ 2026-07-12 02:58:32
●A81.88.58.2162026-03-12 → 2026-07-12 · 3 obs
● 2026-03-12 04:00:16
● 2026-07-12 02:58:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ch | a.nic.ch, b.nic.ch, d.nic.ch, e.nic.ch... | - |
| zkb-elearning.ch | dns2.swizzonic.ch, dns1.swizzonic.ch | - |
✅ Authoritative Response
Server:81.88.58.219
NS records: dns2.swizzonic.ch, dns1.swizzonic.ch
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 1528ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 81.88.58.216 |
| NS | 2 | dns1.swizzonic.ch, dns2.swizzonic.ch |
| SOA | 1 | dns1.swizzonic.ch hostmaster.swizzonic.c |
Analysis
IP Addresses
zkb-elearning.ch has exactly one IP address — 81.88.58.216.
bestimpulse.com, puhr.ch, vitalize.ch plus two other host names have IP numbers in common with zkb-elearning.ch.
Name Servers
zkb-elearning.ch has two authoritative name servers — dns1.swizzonic.ch and dns2.swizzonic.ch.
The name server configuration of zkb-elearning.ch is shared with other domains, for instance u-m.ch, buchladen.ch, stigi.ch and two others.
Both dns1.swizzonic.ch and dns2.swizzonic.ch have two IP addresses each. dns1.swizzonic.ch resolves to 81.88.61.5 and 2a01:8100:2911::2:184:5; dns2.swizzonic.ch resolves to 81.88.58.219 and 2a01:8100:2901::1:183:202.