js-ck.de - robtex.com
js-ck.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 188.68.35.47🇩🇪 netcup-AS188.68.32.0/22 | ||||||
| PTR | js-ck.de | ||||||
| NS | root-dns.netcup.net ⭐ | ||||||
| A | 2a03:4000:0:1::e1e1🇩🇪 netcup-AS2a03:4000::/32 NETCUP-GMBH | ||||||
| PTR | root-dns.netcup.net | ||||||
| A | 46.38.225.225🇩🇪 netcup-AS46.38.225.0/24 | ||||||
| PTR | root-dns.netcup.net | ||||||
| NS | second-dns.netcup.net | ||||||
| A | 2a03:4000:2:24b::c7c7🇩🇪 netcup-AS2a03:4000::/32 NETCUP-GMBH | ||||||
| PTR | second-dns.netcup.net | ||||||
| A | 37.221.199.199🇩🇪 netcup-AS37.221.196.0/22 | ||||||
| PTR | second-dns.netcup.net | ||||||
| NS | third-dns.netcup.net | ||||||
| A | 2a03:4001:0:106::3f44🇩🇪 netcup-AS2a03:4001::/32 NETCUP-GMBH | ||||||
| PTR | third-dns.netcup.net | ||||||
| A | 188.68.63.68🇩🇪 netcup-AS188.68.63.0/24 NETCUP-GMBH | ||||||
| PTR | third-dns.netcup.net | ||||||
| MX | mail.js-ck.de ⭐ | ||||||
| A | 188.68.35.47🇩🇪 netcup-AS188.68.32.0/22 | ||||||
| PTR | js-ck.de | ||||||
| SOA | root-dns.netcup.netdnsadmin@netcup.net 2020-12-13 #3 | ||||||
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=1777153878 | ||||||
PTR for
Subdomains
mail.js-ck.de |
Same first word
js-ck.de |
Similar names
DNS History
5 records (5 active, 0 former)
●NSroot-dns.netcup.net2026-04-18 → 2026-04-25 · 2 obs
● 2026-04-25 22:10:08
●NSsecond-dns.netcup.net2026-04-18 → 2026-04-25 · 2 obs
● 2026-04-25 22:10:08
●NSthird-dns.netcup.net2026-04-18 → 2026-04-25 · 2 obs
● 2026-04-25 22:10:08
●MXmail.js-ck.de2026-04-18 → 2026-04-25 · 2 obs
● 2026-04-25 22:10:08
●A188.68.35.472026-04-18 → 2026-04-25 · 2 obs
● 2026-04-25 22:10:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| js-ck.de | second-dns.netcup.net, third-dns.netcup.net, root-dns.netcup.net | - |
✅ Authoritative Response
Server:46.38.225.225
NS records: second-dns.netcup.net, third-dns.netcup.net, root-dns.netcup.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for js-ck.de (unsigned zone)
⏱️ Timing
Total: 1095ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 188.68.35.47 |
| NS | 3 | second-dns.netcup.net, third-dns.netcup.net... |
| MX | 1 | mail.js-ck.de (pri: 10) |
| SOA | 1 | root-dns.netcup.net dnsadmin.netcup.net |
Analysis
Hierarchy
mail.js-ck.de has js-ck.de as its parent.
IP Addresses
js-ck.de maps to IP address 188.68.35.47.
Other host names, for example, mail.js-ck.de share IP numbers with js-ck.de.
Name Servers
js-ck.de is delegated to name servers root-dns.netcup.net, second-dns.netcup.net and third-dns.netcup.net.
js-ck.de at least partially shares name servers with other domains such as firmenticker.de, selbstaendig.org, pbfsim.com, cnsystems.at and cc-top.mobi.
Host names with two IP numbers:
root-dns.netcup.net points to 2a03:4000:0:1::e1e1 and 46.38.225.225.
second-dns.netcup.net points to 2a03:4000:2:24b::c7c7 and 37.221.199.199.
third-dns.netcup.net points to 2a03:4001:0:106::3f44 and 188.68.63.68.
Mail Servers
js-ck.de is handled by a single mail server, mail.js-ck.de.
mail.js-ck.de points to one IP number: 188.68.35.47.