bluwin.ch - robtex.com
bluwin.ch
| DNSSEC | ⚠️ Not signed | ||||||
| A | 213.3.75.39🇨🇭 SWISSCOM213.3.0.0/17 Swisscom (Schweiz) AG - Bluewin | ||||||
| NS | dns3.swisscom.com ⭐ | ||||||
| A | 193.222.76.54🇨🇭 SWISSCOM193.222.64.0/19 Swisscom IT Services AG - 193.222.64.0/19 CH-SWISSCOM-ITS-193-222 | ||||||
| PTR | dns3.swisscom.com | ||||||
| NS | dns1.swisscom.com | ||||||
| A | 138.190.34.196🇨🇭 SWISSCOM138.190.0.0/16 Provider:Swisscom IP-Plus | ||||||
| PTR | dns1.swisscom.com | ||||||
| NS | dns2.swisscom.com | ||||||
| A | 138.190.34.204🇨🇭 SWISSCOM138.190.0.0/16 Provider:Swisscom IP-Plus | ||||||
| PTR | dns2.swisscom.com | ||||||
| SOA | dns3.swisscom.comadmin\@dns.swisscom.com serial=4613 | ||||||
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 2026-03-15 #15 | ||||||
Subdomains
www.bluwin.ch |
Same first word
Similar names
DNS History
15 records (4 active, 11 former)
○NSadnso1.bluewin.ch2015-09-02 → 2020-01-18 · 4 obs
● 2020-01-18 18:32:36
○ 2022-01-11 18:24:14
○ 2026-03-19 03:19:10
○NSadnso2.bluewin.ch2015-09-02 → 2020-01-18 · 4 obs
● 2020-01-18 18:32:36
○ 2022-01-11 18:24:14
○ 2026-03-19 03:19:10
○NSadnsz1.bluewin.ch2015-09-02 → 2020-01-18 · 4 obs
● 2020-01-18 18:32:36
○ 2022-01-11 18:24:14
○ 2026-03-19 03:19:10
○NSadnsz2.bluewin.ch2015-09-02 → 2020-01-18 · 4 obs
● 2020-01-18 18:32:36
○ 2022-01-11 18:24:14
○ 2026-03-19 03:19:10
●NSdns1.swisscom.com2022-01-11 → 2026-03-19 · 3 obs
● 2022-01-11 18:24:14
● 2026-03-19 03:19:10
●NSdns2.swisscom.com2022-01-11 → 2026-03-19 · 3 obs
● 2022-01-11 18:24:14
● 2026-03-19 03:19:10
●NSdns3.swisscom.com2022-01-11 → 2026-03-19 · 3 obs
● 2022-01-11 18:24:14
● 2026-03-19 03:19:10
○MX(root)2017-06-28 → 2026-02-17 · 5 obs
● 2017-06-28 16:05:32
● 2026-02-17 00:19:52
○ 2026-02-20 10:54:40
○ 2026-03-19 03:19:10
○MXmxbw.lb.bluewin.ch2015-09-02 → 2017-01-04 · 4 obs
● 2017-01-04 02:45:02
○ 2017-06-28 16:05:32
○ 2026-03-19 03:19:10
○MXmxzhb.bluewin.ch2015-09-02 → 2017-01-04 · 4 obs
● 2017-01-04 02:45:02
○ 2017-06-28 16:05:32
○ 2026-03-19 03:19:10
○MXmxzhh.bluewin.ch2015-09-02 → 2017-01-04 · 4 obs
● 2017-01-04 02:45:02
○ 2017-06-28 16:05:32
○ 2026-03-19 03:19:10
○A195.186.145.902015-09-02 → 2017-12-31 · 4 obs
● 2017-12-31 20:24:14
○ 2018-02-22 19:52:46
○ 2026-03-19 03:19:10
○A195.186.196.902015-09-02 → 2017-12-31 · 4 obs
● 2017-12-31 20:24:14
○ 2018-02-22 19:52:46
○ 2026-03-19 03:19:10
○A213.3.75.342018-02-22 → 2022-01-11 · 5 obs
● 2018-02-22 19:52:46
● 2022-01-11 18:24:14
○ 2026-02-16 00:13:26
○ 2026-03-19 03:19:10
●A213.3.75.392026-02-16 → 2026-03-19 · 3 obs
● 2026-02-16 00:13:26
● 2026-03-19 03:19:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ch | d.nic.ch, e.nic.ch, b.nic.ch, a.nic.ch... | - |
| bluwin.ch | dns3.swisscom.com, dns2.swisscom.com, dns1.swisscom.com | - |
✅ Authoritative Response
Server: 138.190.34.204
NS records: dns3.swisscom.com, dns2.swisscom.com, dns1.swisscom.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for bluwin.ch (unsigned zone)
⏱️ Timing
Total: 1403ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 213.3.75.39 |
| NS | 3 | dns1.swisscom.com, dns2.swisscom.com... |
| MX | 1 | . (pri: 0) |
| SOA | 1 | dns3.swisscom.com admin\.dns.swisscom.co |
Analysis
Hierarchy
www.bluwin.ch is a child of bluwin.ch.
IP Addresses
bluwin.ch resolves to one IP number: 213.3.75.39.
Other host names for instance bluewin.ch and bwns.ch share IP numbers with bluwin.ch.
Name Servers
bluwin.ch is delegated to three name servers: dns1.swisscom.com, dns2.swisscom.com and dns3.swisscom.com.
bluwin.ch at least partially shares name servers with other domains, including telecom.ch, worksmart.ch, sharedtcs.net, vpbank.co.uk and 91.222.193.in-addr.arpa.
These name servers are often used with ns1.ip-plus.net and ns2.ip-plus.net.
Host names with a single IP:
dns1.swisscom.com points to 138.190.34.196; dns2.swisscom.com points to 138.190.34.204; dns3.swisscom.com points to 193.222.76.54.