cn-sdt.de - robtex.com
cn-sdt.de
de
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | f.nic.de ⭐ | ||||||
| NS | a.nic.de | ||||||
| NS | l.de.net ⚠️ Not in parent delegation | ||||||
| NS | n.de.net ⚠️ Not in parent delegation | ||||||
| NS | s.de.net ⚠️ Not in parent delegation | ||||||
| NS | z.nic.de | ||||||
| SOA | f.nic.dedns-operations@denic.de serial=1786698710 | ||||||
Subdomains
mail.cn-sdt.de |
Same first word
cn-sdt.de |
Similar names
dns-ct.com |
dts-cn.com |
cns-dt.com |
ntd-cs.com |
cdn-st.com |
std-cn.com |
cn-std.net |
tsn-cd.de |
tds-cn.cn |
ndt-cs.com |
st-cdn.net |
DNS History
11 records (7 active, 4 former)
○NSns5.kasserver.com2015-07-23 → 2017-10-14 · 4 obs
● 2017-10-14 20:50:16
○ 2026-05-09 09:42:24
○ 2026-08-14 09:24:04
○NSns6.kasserver.com2015-07-23 → 2017-10-14 · 4 obs
● 2017-10-14 20:50:16
○ 2026-05-09 09:42:24
○ 2026-08-14 09:24:04
●NSroot-dns.netcup.net2026-05-09 → 2026-08-14 · 3 obs
● 2026-05-09 09:42:24
● 2026-08-14 09:24:04
●NSsecond-dns.netcup.net2026-05-09 → 2026-08-14 · 3 obs
● 2026-05-09 09:42:24
● 2026-08-14 09:24:04
●NSthird-dns.netcup.net2026-05-09 → 2026-08-14 · 3 obs
● 2026-05-09 09:42:24
● 2026-08-14 09:24:04
●MXmail.cn-sdt.de2015-07-23 → 2026-08-14 · 5 obs
● 2016-11-18 02:24:02
○ 2017-10-14 20:50:16
● 2026-05-09 09:42:24
● 2026-08-14 09:24:04
●MXmx2ede.netcup.net2026-05-09 → 2026-08-14 · 3 obs
● 2026-05-09 09:42:24
● 2026-08-14 09:24:04
○MXv039502.kasserver.com2017-10-14 → 2017-10-14 · 4 obs
● 2017-10-14 20:50:16
○ 2026-05-09 09:42:24
○ 2026-08-14 09:24:04
●A2a03:4000:61:46ca::18:53082026-05-09 → 2026-08-14 · 3 obs
● 2026-05-09 09:42:24
● 2026-08-14 09:24:04
○A85.13.129.602015-07-23 → 2017-10-14 · 4 obs
● 2017-10-14 20:50:16
○ 2026-05-09 09:42:24
○ 2026-08-14 09:24:04
●A91.204.46.2202026-05-09 → 2026-08-14 · 3 obs
● 2026-05-09 09:42:24
● 2026-08-14 09:24:04
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| cn-sdt.de | root-dns.netcup.net, third-dns.netcup.net, second-dns.netcup.net | - |
✅ Authoritative Response
Server:188.68.63.68
NS records: root-dns.netcup.net, third-dns.netcup.net, second-dns.netcup.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cn-sdt.de (unsigned zone)
⏱️ Timing
Total: 1136ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 91.204.46.220 |
| AAAA | 1 | 2a03:4000:61:46ca::18:5308 |
| NS | 3 | third-dns.netcup.net, second-dns.netcup.net... |
| MX | 2 | mx2ede.netcup.net (pri: 50), mail.cn-sdt.de (pri: 10) |
| TXT | 1 | v=spf1 mx a include:_spf.webhosting.syst |
| SOA | 1 | root-dns.netcup.net dnsadmin.netcup.net |
Analysis
Hierarchy
cn-sdt.de is a parent domain of mail.cn-sdt.de.
IP Addresses
cn-sdt.de resolves to the IP addresses 91.204.46.220 and 2a03:4000:61:46ca::18:5308
Additional host names — mraber.de, incens.de, wildwuchsberatung.eu and two others — share IP numbers with cn-sdt.de.
Name Servers
Three name servers are authoritative for cn-sdt.de: root-dns.netcup.net, second-dns.netcup.net and third-dns.netcup.net.
cn-sdt.de shares at least some of its name servers with other domains, including emaily.de, emilykorte.de, nnika.de and two others.
root-dns.netcup.net resolves to 46.38.225.225 and 2a03:4000:0:1::e1e1. second-dns.netcup.net resolves to 37.221.199.199 and 2a03:4000:2:24b::c7c7. third-dns.netcup.net resolves to 188.68.63.68 and 2a03:4001:0:106::3f44. All three hostnames point to two IP numbers each.
Mail Servers
cn-sdt.de has two mail servers: mail.cn-sdt.de and mx2ede.netcup.net.
cn-sdt.de shares mail servers — at least in part — with other domains, including heedfeld.info, onsuma.de, server-monitordienst.de and two others.
These mail servers are frequently used alongside the mail servers mail.heedfeld.info, mail.onsuma.de and mail.server-monitordienst.de, plus two others.
Host names with two IP numbers:
mx2ede.netcup.net maps to two IP addresses — 91.204.46.222 and 2a03:4000:0:487:887d:2ff:fe52:4b8a.
Host names pointing to a single IP address:
mail.cn-sdt.de points to the IP address 91.204.46.222.
These two host names — mx2ede.netcup.net and mail.cn-sdt.de — each point to 91.204.46.222 IP addresses.