work-profi.ch - robtex.com
work-profi.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 2026-05-10 #3 | ||||||
Same first word
work-profi.ch |
DNS History
5 records (4 active, 1 former)
●NSns-master.huanga.com2026-02-24 → 2026-05-10 · 3 obs
● 2026-02-24 06:58:04
● 2026-05-10 00:26:56
●NSns-slave.huanga.com2018-10-20 → 2026-05-10 · 2 obs
● 2026-05-10 00:26:56
○NSras.huanga.com2018-10-20 → 2018-10-20 · 3 obs
○ 2026-02-24 06:58:04
○ 2026-05-10 00:26:56
●MXworkprofi-ch01b.mail.protection.outlook.com2018-10-20 → 2026-05-10 · 2 obs
● 2026-05-10 00:26:56
●A217.147.215.722018-10-20 → 2026-05-10 · 2 obs
● 2026-05-10 00:26:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ch | a.nic.ch, b.nic.ch, d.nic.ch, e.nic.ch... | - |
| work-profi.ch | ns-slave.huanga.com, ns-master.huanga.com | - |
✅ Authoritative Response
Server:217.147.215.71
NS records: ns-slave.huanga.com, ns-master.huanga.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for work-profi.ch (unsigned zone)
⏱️ Timing
Total: 961ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 217.147.215.72 |
| NS | 2 | ns-master.huanga.com, ns-slave.huanga.com |
| MX | 2 | workprofi-ch01b.mail.protection.outlook., workprofi-ch01b.mail.protection.outlook. |
| TXT | 2 | v=spf1 include:spf.protection.outlook.co, MS=ms28265331 |
| SOA | 1 | ns-master.huanga.com modir.huanga.com |
Analysis
IP Addresses
work-profi.ch maps to IP address 217.147.215.72.
Other host names, for instance oz-swiss.ch, ppp-schweiz.ch, metallbearbeiten.ch, delega.com and www.ppp-schweiz.ch share IP numbers with work-profi.ch.
Name Servers
Two name servers ns-master.huanga.com and ns-slave.huanga.com are delegated to work-profi.ch.
work-profi.ch shares the same name server setup with other domains. For instance, brunnerpartner.ch, oz-swiss.ch, metallbearbeiten.ch and huanga.com.
work-profi.ch at least partially shares name servers with other domains such as artco.ch, ppp-schweiz.ch, oz-swiss.com, delega.com and c.8.5.2.c.7.6.0.1.0.0.2.ip6.arpa.
These name servers are commonly used with ras.huanga.com and ns2.nexellent.net.
Host names with two IPs:
ns-master.huanga.com points to 2001:67c:258c::14 and 217.147.215.71.
ns-slave.huanga.com points to 2001:67c:258c::17 and 77.245.21.82.
Mail Servers
work-profi.ch is handled by a single mail server, workprofi-ch01b.mail.protection.outlook.com.
workprofi-ch01b.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:ca3c::, 2a01:111:f403:ca3c::1, 2a01:111:f403:ca3c::2, 2a01:111:f403:ca3e::1, 52.101.185.12, 52.101.185.13, 52.101.185.14 and 52.101.187.1.