mastertech.ch - dns.ninja
mastertech.ch
| DNSSEC | ⚠️ Not signed | ||||||
| A | 91.195.241.232🇩🇪 SEDO91.195.240.0/23 -NET-PI | ||||||
| NS | sl1.sedo.com ⭐ | ||||||
| A | 91.195.240.173🇩🇪 SEDO91.195.240.0/23 -NET-PI | ||||||
| NS | sl2.sedo.com | ||||||
| A | 91.195.241.173🇩🇪 SEDO91.195.240.0/23 -NET-PI | ||||||
| MX | localhost ⭐ | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | sl1.sedo.comhostmaster@sedo.de 2018-05-16 #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 2026-06-28 #46 | ||||||
Same first word
Similar names
DNS History
11 records (4 active, 7 former)
○NSns.hostpoint.ch2017-12-11 → 2017-12-11 · 3 obs
○ 2026-02-15 03:40:16
○ 2026-06-28 21:24:12
○NSns2.hostpoint.ch2017-12-11 → 2017-12-11 · 3 obs
○ 2026-02-15 03:40:16
○ 2026-06-28 21:24:12
○NSns3.hostpoint.ch2017-12-11 → 2017-12-11 · 3 obs
○ 2026-02-15 03:40:16
○ 2026-06-28 21:24:12
●NSsl1.sedo.com2026-02-15 → 2026-06-28 · 3 obs
● 2026-02-15 03:40:16
● 2026-06-28 21:24:12
●NSsl2.sedo.com2026-02-15 → 2026-06-28 · 3 obs
● 2026-02-15 03:40:16
● 2026-06-28 21:24:12
●MXlocalhost2026-02-15 → 2026-06-28 · 22 obs
● 2026-02-15 03:40:16
● 2026-04-19 20:55:44
○ 2026-04-21 15:28:16
● 2026-04-26 17:18:30
● 2026-04-28 12:19:20
○ 2026-04-29 01:33:20
● 2026-04-30 00:25:12
● 2026-05-04 07:59:54
○ 2026-05-05 21:30:16
● 2026-05-08 01:47:20
● 2026-05-14 15:49:10
○ 2026-05-19 16:51:36
● 2026-05-20 18:29:00
● 2026-05-23 05:00:20
○ 2026-05-27 01:41:50
● 2026-05-27 07:05:04
● 2026-06-15 09:35:16
○ 2026-06-16 06:34:38
○ 2026-06-16 19:02:46
● 2026-06-21 06:56:46
● 2026-06-28 21:24:12
○MXmx1.mail.hostpoint.ch2017-12-11 → 2017-12-11 · 3 obs
○ 2026-02-15 03:40:16
○ 2026-06-28 21:24:12
○MXmx2.mail.hostpoint.ch2017-12-11 → 2017-12-11 · 3 obs
○ 2026-02-15 03:40:16
○ 2026-06-28 21:24:12
○A217.26.48.1012017-12-11 → 2017-12-11 · 3 obs
○ 2026-02-15 03:40:16
○ 2026-06-28 21:24:12
○A2a00:d70:0:a::1662017-12-11 → 2017-12-11 · 3 obs
○ 2026-02-15 03:40:16
○ 2026-06-28 21:24:12
●A91.195.241.2322026-02-15 → 2026-06-28 · 7 obs
● 2026-02-15 03:40:16
● 2026-06-15 09:35:16
○ 2026-06-16 06:34:38
○ 2026-06-16 19:02:46
● 2026-06-21 06:56:46
● 2026-06-28 21:24:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ch | b.nic.ch, f.nic.ch, a.nic.ch, d.nic.ch... | - |
| mastertech.ch | sl1.sedo.com, sl2.sedo.com | - |
✅ Authoritative Response
Server:91.195.241.173
NS records: sl1.sedo.com, sl2.sedo.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for mastertech.ch (unsigned zone)
⏱️ Timing
Total: 3545ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 91.195.241.232 |
| NS | 2 | sl1.sedo.com, sl2.sedo.com |
| MX | 1 | localhost (pri: 0) |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | sl1.sedo.com hostmaster.sedo.de |
Analysis
IP Addresses
mastertech.ch directs to one IP number, which is 91.195.241.232.
Among the host names that share IP numbers with mastertech.ch are busina.com, big-s.de, www.joy2u.com and two others.
Name Servers
mastertech.ch has two authoritative name servers — sl1.sedo.com and sl2.sedo.com.
mastertech.ch has the same name server delegation as a number of other domains, such as 970.de, playworks.de, digiter.eu and two more.
Both sl1.sedo.com and sl2.sedo.com have a single IP address each — sl1.sedo.com resolves to 91.195.240.173 while sl2.sedo.com resolves to 91.195.241.173.
Mail Servers
mastertech.ch routes its mail through a single mail server, localhost.
mastertech.ch has the same mail server arrangement as a number of other domains, for example mx.limitedsnow.com, tcs.netspace.net, hphs.eu and two more.