jstdev.de - dns.ninja
jstdev.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=1782584847 | ||||||
Subdomains
mail.jstdev.de |
Same first word
Similar names
DNS History
9 records (7 active, 2 former)
●NSroot-dns.netcup.net2015-08-19 → 2026-06-27 · 2 obs
● 2026-06-27 18:41:40
●NSsecond-dns.netcup.net2015-08-19 → 2026-06-27 · 2 obs
● 2026-06-27 18:41:40
●NSthird-dns.netcup.net2015-08-19 → 2026-06-27 · 2 obs
● 2026-06-27 18:41:40
●MXmail.jstdev.de2015-08-19 → 2026-06-27 · 2 obs
● 2026-06-27 18:41:40
●MXmxe908.netcup.net2026-02-20 → 2026-06-27 · 3 obs
● 2026-02-20 03:12:16
● 2026-06-27 18:41:40
○MXmxf922.netcup.net2015-08-19 → 2017-01-05 · 4 obs
● 2017-01-05 15:53:04
○ 2026-02-20 03:12:16
○ 2026-06-27 18:41:40
●A202.61.233.62026-02-20 → 2026-06-27 · 3 obs
● 2026-02-20 03:12:16
● 2026-06-27 18:41:40
●A2a03:4000:61:5b14::19:6702026-02-20 → 2026-06-27 · 3 obs
● 2026-02-20 03:12:16
● 2026-06-27 18:41:40
○A46.38.249.382015-08-19 → 2017-01-05 · 4 obs
● 2017-01-05 15:53:04
○ 2026-02-20 03:12:16
○ 2026-06-27 18:41:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | f.nic.de, z.nic.de, a.nic.de | - |
| jstdev.de | root-dns.netcup.net, third-dns.netcup.net, second-dns.netcup.net | - |
✅ Authoritative Response
Server:37.221.199.199
NS records: root-dns.netcup.net, third-dns.netcup.net, second-dns.netcup.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for jstdev.de (unsigned zone)
⏱️ Timing
Total: 1388ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 202.61.233.6 |
| AAAA | 1 | 2a03:4000:61:5b14::19:670 |
| NS | 3 | second-dns.netcup.net, third-dns.netcup.net... |
| MX | 2 | mail.jstdev.de (pri: 10), mxe908.netcup.net (pri: 50) |
| TXT | 1 | v=spf1 mx a include:_spf.webhosting.syst |
| SOA | 1 | root-dns.netcup.net dnsadmin.netcup.net |
Analysis
Hierarchy
The domain mail.jstdev.de falls under the parent jstdev.de.
IP Addresses
jstdev.de points to the IP addresses 202.61.233.6 and 2a03:4000:61:5b14::19:670
Two other host names, along with www.1080.de, skate-berlin.de and host.hotel-rosenbach.de, also share IP numbers with jstdev.de.
Name Servers
jstdev.de is delegated to three name servers: root-dns.netcup.net, second-dns.netcup.net and third-dns.netcup.net.
At least some of jstdev.de's name servers are shared with other domains, for example mahdimedia.de, michawinter.de, bruch-network.de and two more.
root-dns.netcup.net, second-dns.netcup.net and third-dns.netcup.net each resolve to two IP addresses: 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.
Mail Servers
jstdev.de is served by two mail servers, mail.jstdev.de and mxe908.netcup.net.
There is at least a partial MX overlap between jstdev.de and other domains, including xitara.com, lambda.lighting, charterboat24.de and two others.
mail.xitara.com, mail.lambda.lighting, mail.charterboat24.de and mail.meinzeug24.de are mail servers that frequently appear together with these mail servers.
Host names that have two IP addresses:
mxe908.netcup.net points to 202.61.233.8 and 2a03:4000:0:4c6:6819:b2ff:fe7a:b3cb.
Host names that point to one IP address:
mail.jstdev.de points to 202.61.233.8.
mxe908.netcup.net and mail.jstdev.de are host names that each point to 202.61.233.8 IP addresses.