catdevnull.de - dns.ninja
catdevnull.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 46.38.243.234🇩🇪 netcup-AS46.38.240.0/22 | ||||||
| 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.catdevnull.de ⭐ | ||||||
| A | 46.38.243.234🇩🇪 netcup-AS46.38.240.0/22 | ||||||
| TXT | v=spf1 include:spf.mailjet.com ~all | ||||||
| SOA | root-dns.netcup.netdnsadmin@netcup.net 2026-10-25 #59 | ||||||
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=1793068678 | ||||||
Subdomains
mail.catdevnull.de |
Same first word
catdevnull.net |
catdevnull.xyz |
catdevnull.de |
catdevnull.org |
catdevnull.com |
catdevnull.online |
catdevnull.co.uk |
catdevnull.lol |
Similar names
Previous names
Next names
DNS History
5 records (5 active, 0 former)
●NSroot-dns.netcup.net2026-08-20 → 2026-10-27 · 2 obs
● 2026-10-27 02:46:10
●NSsecond-dns.netcup.net2026-08-20 → 2026-10-27 · 2 obs
● 2026-10-27 02:46:10
●NSthird-dns.netcup.net2026-08-20 → 2026-10-27 · 2 obs
● 2026-10-27 02:46:10
●MXmail.catdevnull.de2026-08-20 → 2026-10-27 · 2 obs
● 2026-10-27 02:46:10
●A46.38.243.2342026-08-20 → 2026-10-27 · 2 obs
● 2026-10-27 02:46:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| catdevnull.de | third-dns.netcup.net, root-dns.netcup.net, second-dns.netcup.net | - |
✅ Authoritative Response
Server:188.68.63.68
NS records: third-dns.netcup.net, root-dns.netcup.net, second-dns.netcup.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for catdevnull.de (unsigned zone)
⏱️ Timing
Total: 1532ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 46.38.243.234 |
| NS | 3 | root-dns.netcup.net, third-dns.netcup.net... |
| MX | 1 | mail.catdevnull.de (pri: 10) |
| TXT | 1 | v=spf1 include:spf.mailjet.com ~all |
| SOA | 1 | root-dns.netcup.net dnsadmin.netcup.net |
Analysis
Hierarchy
catdevnull.de serves as the parent of mail.catdevnull.de.
IP Addresses
catdevnull.de resolves to just one IP address, 46.38.243.234.
Two other host names, along with z14.bestsrv.de, mail.oelundessig.de and mail.jurazentrale.de, also share IP numbers with catdevnull.de.
Name Servers
DNS for catdevnull.de is handled by three authoritative name servers: root-dns.netcup.net, second-dns.netcup.net and third-dns.netcup.net.
catdevnull.de has at least partial name server overlap with other domains, such as corpomedic.de, kf-karlsruhe.de, immoscharc.de and two others.
Three hostnames — root-dns.netcup.net, second-dns.netcup.net and third-dns.netcup.net — each have two IP addresses: root-dns.netcup.net has 46.38.225.225 and 2a03:4000:0:1::e1e1, second-dns.netcup.net has 37.221.199.199 and 2a03:4000:2:24b::c7c7, and third-dns.netcup.net has 188.68.63.68 and 2a03:4001:0:106::3f44.
Mail Servers
The sole mail server for catdevnull.de is mail.catdevnull.de.
mail.catdevnull.de has exactly one IP number: 46.38.243.234.