dongsan.ch - robtex.com
dongsan.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 2026-07-14 #14 | ||||||
Subdomains
mail.dongsan.ch |
Same first word
Similar names
dangson.com |
ansongd.workers.dev |
sandong.com |
sonndag.de |
gdsanon.com |
songdan.net |
danngos.com |
ansongd.com |
sandong.net |
ansondg.net |
songdna.blogspot.com |
andsong.com |
sondang.com |
dansong.com |
songdna.me |
DNS History
16 records (9 active, 7 former)
●NSnetcup.fifthns.com2026-07-10 → 2026-07-14 · 3 obs
● 2026-07-10 00:52:00
● 2026-07-14 05:40:50
●NSnetcup.firstns.cc2026-07-10 → 2026-07-14 · 3 obs
● 2026-07-10 00:52:00
● 2026-07-14 05:40:50
●NSnetcup.fourthns.systems2026-07-10 → 2026-07-14 · 3 obs
● 2026-07-10 00:52:00
● 2026-07-14 05:40:50
●NSnetcup.secondns.at2026-07-10 → 2026-07-14 · 3 obs
● 2026-07-10 00:52:00
● 2026-07-14 05:40:50
●NSnetcup.thirdns.de2026-07-10 → 2026-07-14 · 3 obs
● 2026-07-10 00:52:00
● 2026-07-14 05:40:50
○NSns5.kasserver.com2015-08-26 → 2017-03-19 · 4 obs
● 2017-03-19 20:33:20
○ 2026-06-13 09:43:18
○ 2026-07-14 05:40:50
○NSns6.kasserver.com2015-08-26 → 2017-03-19 · 4 obs
● 2017-03-19 20:33:20
○ 2026-06-13 09:43:18
○ 2026-07-14 05:40:50
○NSroot-dns.netcup.net2026-06-13 → 2026-06-13 · 4 obs
● 2026-06-13 09:43:18
○ 2026-07-10 00:52:00
○ 2026-07-14 05:40:50
○NSsecond-dns.netcup.net2026-06-13 → 2026-06-13 · 4 obs
● 2026-06-13 09:43:18
○ 2026-07-10 00:52:00
○ 2026-07-14 05:40:50
○NSthird-dns.netcup.net2026-06-13 → 2026-06-13 · 4 obs
● 2026-06-13 09:43:18
○ 2026-07-10 00:52:00
○ 2026-07-14 05:40:50
●MXmail.dongsan.ch2015-08-26 → 2026-07-14 · 5 obs
● 2016-07-18 16:05:00
○ 2017-03-19 20:33:20
● 2026-06-13 09:43:18
● 2026-07-14 05:40:50
●MXmx2e9f.netcup.net2026-06-13 → 2026-07-14 · 3 obs
● 2026-06-13 09:43:18
● 2026-07-14 05:40:50
○MXw009d26a.kasserver.com2017-03-19 → 2017-03-19 · 4 obs
● 2017-03-19 20:33:20
○ 2026-06-13 09:43:18
○ 2026-07-14 05:40:50
●A2a03:4000:30:bb0a::14:85682026-06-13 → 2026-07-14 · 3 obs
● 2026-06-13 09:43:18
● 2026-07-14 05:40:50
○A85.13.129.242015-08-26 → 2017-03-19 · 4 obs
● 2017-03-19 20:33:20
○ 2026-06-13 09:43:18
○ 2026-07-14 05:40:50
●A91.204.46.1572026-06-13 → 2026-07-14 · 3 obs
● 2026-06-13 09:43:18
● 2026-07-14 05:40:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ch | a.nic.ch, b.nic.ch, d.nic.ch, e.nic.ch... | - |
| dongsan.ch | netcup.fourthns.systems, netcup.secondns.at, netcup.fifthns.com, netcup.firstns.cc... | - |
✅ Authoritative Response
Server:45.84.253.113
NS records: netcup.fourthns.systems, netcup.secondns.at, netcup.fifthns.com, netcup.firstns.cc, netcup.thirdns.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for dongsan.ch (unsigned zone)
⏱️ Timing
Total: 1275ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 91.204.46.157 |
| AAAA | 1 | 2a03:4000:30:bb0a::14:8568 |
| NS | 5 | netcup.thirdns.de, netcup.firstns.cc... |
| MX | 2 | mail.dongsan.ch (pri: 10), mx2e9f.netcup.net (pri: 50) |
| TXT | 1 | v=spf1 mx a include:_spf.webhosting.syst |
| SOA | 1 | netcup.firstns.cc dnsadmin.netcup.net |
Analysis
Hierarchy
mail.dongsan.ch is a subdomain of dongsan.ch.
IP Addresses
dongsan.ch points to the IP addresses 91.204.46.157 and 2a03:4000:30:bb0a::14:8568
Among the host names that share IP numbers with dongsan.ch are seebald.net, kralvideo.de, lux-professional.de and two others.
Name Servers
The authoritative name servers for dongsan.ch are netcup.secondns.at, netcup.firstns.cc, netcup.fifthns.com and two others.
The name servers of dongsan.ch overlap at least partially with those of other domains — among them my-servers.ch, isk.li, du-ars.ch and two more.
These name servers commonly appear alongside the name servers netcup.thirdns.de and netcup.fourthns.systems.
Hosts with two IP numbers each:
netcup.secondns.at resolves to two addresses: 37.252.225.37 and 2a00:11c0:2:998::31.
netcup.firstns.cc resolves to two addresses: 45.84.253.113 and 2a00:11c0:66::211.
netcup.fifthns.com resolves to two addresses: 213.227.168.117 and 2a00:11c0:82:359::1005.
netcup.thirdns.de resolves to two addresses: 217.146.22.149 and 2a00:11c0:e:ffff:1::5.
netcup.fourthns.systems resolves to two addresses: 188.172.219.105 and 2a00:11c0:63:350::1005.
Mail Servers
The MX records for dongsan.ch point to two mail servers: mail.dongsan.ch and mx2e9f.netcup.net.
dongsan.ch shares at least some of its mail servers with other domains — for example medizinstudium-bratislava.de, kralvideo.de, lux-professional.de and two more.
The mail servers mail.medizinstudium-bratislava.de, mail.kralvideo.de and mail.lux-professional.de are commonly used alongside these mail servers.
Hosts with two IP numbers each:
mx2e9f.netcup.net resolves to two addresses: 91.204.46.159 and 2a03:4000:0:442:88a9:49ff:feb2:ef4.
Hosts that resolve to one IP address:
The hostname mail.dongsan.ch resolves to 91.204.46.159.
mx2e9f.netcup.net along with mail.dongsan.ch each resolve to 91.204.46.159 IP addresses.