4zn.de - robtex.com
4zn.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2a03:4000:30:8dad::13:6724🇩🇪 netcup-AS | ||||||
| A | 91.204.46.73🇩🇪 netcup-AS | ||||||
| NS | root-dns.netcup.net ⭐ | ||||||
| A | 2a03:4000:0:1::e1e1🇩🇪 netcup-AS | ||||||
| PTR | root-dns.netcup.net | ||||||
| A | 46.38.225.225🇩🇪 netcup-AS | ||||||
| PTR | root-dns.netcup.net | ||||||
| NS | second-dns.netcup.net | ||||||
| A | 2a03:4000:2:24b::c7c7🇩🇪 netcup-AS | ||||||
| PTR | second-dns.netcup.net | ||||||
| A | 37.221.199.199🇩🇪 netcup-AS | ||||||
| PTR | second-dns.netcup.net | ||||||
| NS | third-dns.netcup.net | ||||||
| A | 2a03:4001:0:106::3f44🇩🇪 netcup-AS | ||||||
| PTR | third-dns.netcup.net | ||||||
| A | 188.68.63.68🇩🇪 netcup-AS | ||||||
| PTR | third-dns.netcup.net | ||||||
| MX | mail.4zn.de ⭐ | ||||||
| A | 91.204.46.75🇩🇪 netcup-AS | ||||||
| PTR | mx2e4b.netcup.net | ||||||
| MX | mx2e4b.netcup.net(50) | ||||||
| A | 2a03:4000:0:3d6:8494:91ff:fe93:d2ee🇩🇪 netcup-AS | ||||||
| PTR | mx2e4b.netcup.net | ||||||
| A | 91.204.46.75🇩🇪 netcup-AS | ||||||
| PTR | mx2e4b.netcup.net | ||||||
| TXT | v=spf1 mx a include:_spf.webhosting.systems ~all | ||||||
| SOA | root-dns.netcup.netdnsadmin@netcup.net 2020-06-01 #13 | ||||||
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=1771291602 | ||||||
Up
mail.4zn.de |
Same first word
Similar names
z4n.de |
nz4.ru |
4nz.ru |
zn4.de |
z4n.fr |
zn4.net |
4nz.de |
nz4.de |
z4n.co.il |
n4z.de |
4nz.com |
z4n.org |
n4z.com |
z4n.com |
n4z.akamai.net |
nz4.com |
nz4.net |
DNS History
8 records (7 active, 1 former)
●NSroot-dns.netcup.net2026-02-17 → 2026-02-24 · 2 obs
● 2026-02-24 08:58:32
●NSsecond-dns.netcup.net2026-02-17 → 2026-02-24 · 2 obs
● 2026-02-24 08:58:32
●NSthird-dns.netcup.net2026-02-17 → 2026-02-24 · 2 obs
● 2026-02-24 08:58:32
●MXmail.4zn.de2026-02-17 → 2026-02-24 · 2 obs
● 2026-02-24 08:58:32
●MXmx2e4b.netcup.net2026-02-17 → 2026-02-24 · 2 obs
● 2026-02-24 08:58:32
○A217.70.142.822020-02-05 → 2020-02-05 · 3 obs
○ 2026-02-17 10:51:36
○ 2026-02-24 08:58:32
●A2a03:4000:30:8dad::13:67242026-02-17 → 2026-02-24 · 3 obs
● 2026-02-17 10:51:36
● 2026-02-24 08:58:32
●A91.204.46.732026-02-17 → 2026-02-24 · 3 obs
● 2026-02-17 10:51:36
● 2026-02-24 08:58:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| 4zn.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 4zn.de (unsigned zone)
⏱️ Timing
Total: 342ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 91.204.46.73 |
| AAAA | 1 | 2a03:4000:30:8dad::13:6724 |
| NS | 3 | root-dns.netcup.net, third-dns.netcup.net... |
| MX | 2 | mx2e4b.netcup.net (pri: 50), mail.4zn.de (pri: 10) |
| TXT | 1 | v=spf1 mx a include:_spf.webhosting.syst |
| SOA | 1 | root-dns.netcup.net dnsadmin.netcup.net |
AI analysis
4zn.de is the parent of mail.4zn.de.
4zn.de resolves to two IP numbers: 2a03:4000:30:8dad::13:6724 and 91.204.46.73.
other host names including ls-gievenbeck.de, nrw.kultur-impuls.de, lifepatterns.de, uni-film.de and mailgoogle.de share IP numbers with 4zn.de.
4zn.de is delegated to three name servers root-dns.netcup.net, second-dns.netcup.net and third-dns.netcup.net.
4zn.de at least partially shares name servers with other domains, for instance vongermeten.de, rosakehlchen.de, profisearch.eu, das-hinterhaus.de and wuwas.de.
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.
Two mail servers handle 4zn.de: mail.4zn.de and mx2e4b.netcup.net.
4zn.de shares some mail servers with other domains, at least partially, for instance berufskolleg-gladbeck.de, fotodingsfotobox.de, mayer-elektronik.de, sportcenter-hurricane.de and jfootprints.de.
these mail servers are often used alongside mail.berufskolleg-gladbeck.de, mail.fotodingsfotobox.de and mail.mayer-elektronik.de.
Host names with two IP numbers: mx2e4b.netcup.net points to 2a03:4000:0:3d6:8494:91ff:fe93:d2ee and 91.204.46.75.
Host names with one IP number: mail.4zn.de points to 91.204.46.75.
Host names that point to 91.204.46.75: mx2e4b.netcup.net and mail.4zn.de.