4t3.de - robtex.com
4t3.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2a03:4000:30:d28::10:3446🇩🇪 netcup-AS2a03:4000::/32 NETCUP-GMBH | ||||||
| A | 46.38.249.161🇩🇪 netcup-AS46.38.248.0/22 NETCUP-GMBH | ||||||
| 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.4t3.de ⭐ | ||||||
| A | 46.38.249.163🇩🇪 netcup-AS46.38.248.0/22 NETCUP-GMBH | ||||||
| MX | mxf9a3.netcup.net(50) | ||||||
| A | 2a03:4000:0:276:b4c4:95ff:fe50:76a3🇩🇪 netcup-AS2a03:4000::/32 NETCUP-GMBH | ||||||
| PTR | mxf9a3.netcup.net | ||||||
| A | 46.38.249.163🇩🇪 netcup-AS46.38.248.0/22 NETCUP-GMBH | ||||||
| TXT | v=spf1 mx a include:_spf.webhosting.systems ~all | ||||||
| SOA | root-dns.netcup.netdnsadmin@netcup.net 2025-07-14 #18 | ||||||
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=1784683984 | ||||||
Subdomains
mail.4t3.de |
Same first word
Similar names
DNS History
10 records (7 active, 3 former)
○NSns5.nameserverservice.de2015-06-23 → 2017-09-24 · 4 obs
● 2017-09-24 11:19:00
○ 2026-04-08 11:05:30
○ 2026-07-22 01:54:02
○NSns6.nameserverservice.de2015-06-23 → 2017-09-24 · 4 obs
● 2017-09-24 11:19:00
○ 2026-04-08 11:05:30
○ 2026-07-22 01:54:02
●NSroot-dns.netcup.net2026-04-08 → 2026-07-22 · 3 obs
● 2026-04-08 11:05:30
● 2026-07-22 01:54:02
●NSsecond-dns.netcup.net2026-04-08 → 2026-07-22 · 3 obs
● 2026-04-08 11:05:30
● 2026-07-22 01:54:02
●NSthird-dns.netcup.net2026-04-08 → 2026-07-22 · 3 obs
● 2026-04-08 11:05:30
● 2026-07-22 01:54:02
●MXmail.4t3.de2015-06-23 → 2026-07-22 · 2 obs
● 2026-07-22 01:54:02
●MXmxf9a3.netcup.net2026-04-08 → 2026-07-22 · 3 obs
● 2026-04-08 11:05:30
● 2026-07-22 01:54:02
●A2a03:4000:30:d28::10:34462026-04-08 → 2026-07-22 · 3 obs
● 2026-04-08 11:05:30
● 2026-07-22 01:54:02
●A46.38.249.1612026-04-08 → 2026-07-22 · 3 obs
● 2026-04-08 11:05:30
● 2026-07-22 01:54:02
○A62.75.208.1632015-06-23 → 2017-09-24 · 4 obs
● 2017-09-24 11:19:00
○ 2026-04-08 11:05:30
○ 2026-07-22 01:54:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | f.nic.de, a.nic.de, z.nic.de | - |
| 4t3.de | root-dns.netcup.net, third-dns.netcup.net, second-dns.netcup.net | - |
✅ Authoritative Response
Server:46.38.225.225
NS records: root-dns.netcup.net, third-dns.netcup.net, second-dns.netcup.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 4t3.de (unsigned zone)
⏱️ Timing
Total: 1425ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 46.38.249.161 |
| AAAA | 1 | 2a03:4000:30:d28::10:3446 |
| NS | 3 | second-dns.netcup.net, third-dns.netcup.net... |
| MX | 2 | mxf9a3.netcup.net (pri: 50), mail.4t3.de (pri: 10) |
| TXT | 1 | v=spf1 mx a include:_spf.webhosting.syst |
| SOA | 1 | root-dns.netcup.net dnsadmin.netcup.net |
Analysis
Hierarchy
The domain mail.4t3.de falls under the parent 4t3.de.
IP Addresses
4t3.de points to the IP addresses 46.38.249.161 and 2a03:4000:30:d28::10:3446
projekte-cloud.de, null.familie-schweitzer.de, roestung.de and two other host names share IP numbers with 4t3.de.
Name Servers
The authoritative name servers for 4t3.de are root-dns.netcup.net, second-dns.netcup.net and third-dns.netcup.net — three in total.
At least some of 4t3.de's name servers are shared with other domains, for example mgc-esports.de, maxmairle.de, stevehinske.de and two more.
root-dns.netcup.net, second-dns.netcup.net and third-dns.netcup.net all resolve to exactly two IP numbers apiece: root-dns.netcup.net → 46.38.225.225 and 2a03:4000:0:1::e1e1; second-dns.netcup.net → 37.221.199.199 and 2a03:4000:2:24b::c7c7; third-dns.netcup.net → 188.68.63.68 and 2a03:4001:0:106::3f44.
Mail Servers
Mail for 4t3.de is handled by two mail servers — mail.4t3.de and mxf9a3.netcup.net.
4t3.de has at least partial mail server overlap with other domains such as mr-5.de, n3ds.de, werbecenter.de and two more.
This set of mail servers commonly appears together with the mail servers mail.mr-5.de.
Hostnames that resolve to two IP addresses:
mxf9a3.netcup.net directs traffic to 46.38.249.163 and 2a03:4000:0:276:b4c4:95ff:fe50:76a3.
Hosts with just one IP address:
mail.4t3.de has the IP address 46.38.249.163.
Both mxf9a3.netcup.net and mail.4t3.de resolve to 46.38.249.163 IP addresses each.