opusnull.de - dns.ninja
opusnull.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=1784995023 | ||||||
Subdomains
mail.opusnull.de |
Same first word
opusnull.de |
DNS History
7 records (7 active, 0 former)
●NSroot-dns.netcup.net2026-02-17 → 2026-07-25 · 2 obs
● 2026-07-25 16:16:34
●NSsecond-dns.netcup.net2026-02-17 → 2026-07-25 · 2 obs
● 2026-07-25 16:16:34
●NSthird-dns.netcup.net2026-02-17 → 2026-07-25 · 2 obs
● 2026-07-25 16:16:34
●MXmail.opusnull.de2026-02-17 → 2026-07-25 · 2 obs
● 2026-07-25 16:16:34
●MXmxe830.netcup.net2026-02-17 → 2026-07-25 · 2 obs
● 2026-07-25 16:16:34
●A202.61.232.462026-02-17 → 2026-07-25 · 2 obs
● 2026-07-25 16:16:34
●A2a03:4000:61:3734::18:12292026-02-17 → 2026-07-25 · 2 obs
● 2026-07-25 16:16:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| opusnull.de | third-dns.netcup.net, second-dns.netcup.net, root-dns.netcup.net | - |
✅ Authoritative Response
Server:37.221.199.199
NS records: third-dns.netcup.net, second-dns.netcup.net, root-dns.netcup.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for opusnull.de (unsigned zone)
⏱️ Timing
Total: 2294ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 202.61.232.46 |
| AAAA | 1 | 2a03:4000:61:3734::18:1229 |
| NS | 3 | third-dns.netcup.net, second-dns.netcup.net... |
| MX | 2 | mxe830.netcup.net (pri: 50), mail.opusnull.de (pri: 10) |
| TXT | 1 | v=spf1 mx a include:_spf.webhosting.syst |
| SOA | 1 | root-dns.netcup.net dnsadmin.netcup.net |
Analysis
Hierarchy
mail.opusnull.de is delegated beneath opusnull.de.
IP Addresses
opusnull.de has two IP addresses: 202.61.232.46 and 2a03:4000:61:3734::18:1229
Additional host names — lddb.org, mx0.sebsen.net, cux-leben.de and two others — share IP numbers with opusnull.de.
Name Servers
Three name servers are authoritative for opusnull.de: root-dns.netcup.net, second-dns.netcup.net and third-dns.netcup.net.
There is at least partial name server overlap between opusnull.de and other domains — meeners.com, gesundpur.at, spielen-in-hamburg.de and two more among them.
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
opusnull.de has two mail servers: mail.opusnull.de and mxe830.netcup.net.
opusnull.de shares mail servers — at least in part — with other domains, including efficientminds.de, dns-base.net, bv-am-schildhof.de and two others.
These mail servers are routinely found in combination with the mail servers mail.efficientminds.de, mail.dns-base.net and mail.bv-am-schildhof.de.
Host names with two IP numbers:
mxe830.netcup.net maps to two IP addresses — 202.61.232.48 and 2a03:4000:0:4d5:814:21ff:fe7b:252a.
Host names pointing to a single IP address:
mail.opusnull.de points to the IP address 202.61.232.48.
These two host names — mxe830.netcup.net and mail.opusnull.de — each point to 202.61.232.48 IP addresses.