explainer.ch - robtex.com
explainer.ch
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 135.125.134.139🇫🇷 OVH135.125.128.0/17 | ||||||
| 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 | ||||||
| MX | mx.swizzonic.email ⭐ | ||||||
| A | 81.88.63.83🇮🇹 REGISTER-AS81.88.63.0/24 Register.IT S.p.A. prefix | ||||||
| PTR | mx.swizzonic.email | ||||||
| TXT | v=spf1 a mx include:spf.webapps.net ~all | ||||||
| SOA | dns1.swizzonic.chhostmaster@swizzonic.ch 2026-01-08 #6 | ||||||
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 2026-07-23 #36 | ||||||
Same first word
Similar names
linearexp.com |
lairenexp.cn |
pixelearn.com |
pixelaner.de |
reexplain.com |
experianl.com |
ireneplax.com |
earnpixel.xyz |
DNS History
10 records (4 active, 6 former)
●NSdns1.swizzonic.ch2026-02-16 → 2026-07-23 · 3 obs
● 2026-02-16 03:56:00
● 2026-07-23 16:41:12
●NSdns2.swizzonic.ch2026-02-16 → 2026-07-23 · 3 obs
● 2026-02-16 03:56:00
● 2026-07-23 16:41:12
○NSns.hostpoint.ch2015-08-08 → 2017-03-21 · 4 obs
● 2017-03-21 16:19:48
○ 2026-02-16 03:56:00
○ 2026-07-23 16:41:12
○NSns2.hostpoint.ch2015-08-08 → 2017-03-21 · 4 obs
● 2017-03-21 16:19:48
○ 2026-02-16 03:56:00
○ 2026-07-23 16:41:12
○NSns3.hostpoint.ch2015-08-08 → 2017-03-21 · 4 obs
● 2017-03-21 16:19:48
○ 2026-02-16 03:56:00
○ 2026-07-23 16:41:12
●MXmx.swizzonic.email2026-02-16 → 2026-07-23 · 3 obs
● 2026-02-16 03:56:00
● 2026-07-23 16:41:12
○MXmx1.mail.hostpoint.ch2015-08-08 → 2017-03-21 · 4 obs
● 2017-03-21 16:19:48
○ 2026-02-16 03:56:00
○ 2026-07-23 16:41:12
○MXmx2.mail.hostpoint.ch2015-08-08 → 2017-03-21 · 4 obs
● 2017-03-21 16:19:48
○ 2026-02-16 03:56:00
○ 2026-07-23 16:41:12
●A135.125.134.1392026-02-16 → 2026-07-23 · 3 obs
● 2026-02-16 03:56:00
● 2026-07-23 16:41:12
○A217.26.52.452015-08-08 → 2017-03-21 · 4 obs
● 2017-03-21 16:19:48
○ 2026-02-16 03:56:00
○ 2026-07-23 16:41:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ch | d.nic.ch, f.nic.ch, b.nic.ch, a.nic.ch... | - |
| explainer.ch | dns2.swizzonic.ch, dns1.swizzonic.ch | - |
✅ Authoritative Response
Server:81.88.61.5
NS records: dns2.swizzonic.ch, dns1.swizzonic.ch
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 1757ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 135.125.134.139 |
| NS | 2 | dns1.swizzonic.ch, dns2.swizzonic.ch |
| MX | 1 | mx.swizzonic.email (pri: 10) |
| TXT | 1 | v=spf1 a mx include:spf.webapps.net ~all |
| SOA | 1 | dns1.swizzonic.ch hostmaster.swizzonic.c |
Analysis
IP Addresses
explainer.ch has exactly one IP address — 135.125.134.139.
videodiagnostik.de, makler-netzwerk.de, nailpro.de plus two other host names have IP numbers in common with explainer.ch.
Name Servers
Two name servers handle the delegation for explainer.ch: dns1.swizzonic.ch and dns2.swizzonic.ch.
The name server configuration of explainer.ch is shared with other domains, for instance ziwc.ch, turus.ch, basic-holding.com and two others.
dns1.swizzonic.ch and dns2.swizzonic.ch both carry two IP addresses. The A records for dns1.swizzonic.ch are 81.88.61.5 and 2a01:8100:2911::2:184:5; the A records for dns2.swizzonic.ch are 81.88.58.219 and 2a01:8100:2901::1:183:202.
Mail Servers
explainer.ch uses one mail server — mx.swizzonic.email.
The mail server setup of explainer.ch matches that of other domains such as tirpanakis.ch, tavolone.ch, zurich-london.com and two others.
mx.swizzonic.email carries a single IP number, which is 81.88.63.83.