go-21.de - robtex.com
go-21.de
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 2a03:4000:29:4e::1🇩🇪 netcup-AS2a03:4000::/32 NETCUP-GMBH | ||||||
| PTR | dumont.go-21.de | ||||||
| A | 94.16.119.120🇦🇹 netcup-AS94.16.116.0/22 | ||||||
| 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 | dumont.go-21.de ⭐ | ||||||
| A | 2a03:4000:29:4e::1🇩🇪 netcup-AS2a03:4000::/32 NETCUP-GMBH | ||||||
| PTR | dumont.go-21.de | ||||||
| A | 94.16.119.120🇦🇹 netcup-AS94.16.116.0/22 | ||||||
| PTR | dumont.go-21.de | ||||||
| TXT | v=spf1 a:dumont.go-21.de -all | ||||||
| SOA | root-dns.netcup.netdnsadmin@netcup.net 2026-04-10 #75 | ||||||
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=1775952895 | ||||||
Subdomains
dumont.go-21.de |
Same first word
Similar names
DNS History
6 records (6 active, 0 former)
●NSroot-dns.netcup.net2026-02-22 → 2026-04-12 · 2 obs
● 2026-04-12 00:16:30
●NSsecond-dns.netcup.net2026-02-22 → 2026-04-12 · 2 obs
● 2026-04-12 00:16:30
●NSthird-dns.netcup.net2026-02-22 → 2026-04-12 · 2 obs
● 2026-04-12 00:16:30
●MXdumont.go-21.de2026-02-22 → 2026-04-12 · 2 obs
● 2026-04-12 00:16:30
●A2a03:4000:29:4e::12026-02-22 → 2026-04-12 · 2 obs
● 2026-04-12 00:16:30
●A94.16.119.1202026-02-22 → 2026-04-12 · 2 obs
● 2026-04-12 00:16:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| go-21.de | second-dns.netcup.net, root-dns.netcup.net, third-dns.netcup.net | - |
✅ Authoritative Response
Server:46.38.225.225
NS records: second-dns.netcup.net, root-dns.netcup.net, third-dns.netcup.net
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 782ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 94.16.119.120 |
| AAAA | 1 | 2a03:4000:29:4e::1 |
| NS | 3 | root-dns.netcup.net, second-dns.netcup.net... |
| MX | 1 | dumont.go-21.de (pri: 10) |
| TXT | 1 | v=spf1 a:dumont.go-21.de -all |
| SOA | 1 | root-dns.netcup.net dnsadmin.netcup.net |
Analysis
Hierarchy
The parent of dumont.go-21.de is go-21.de.
IP Addresses
go-21.de resolves to two IP numbers: 2a03:4000:29:4e::1 and 94.16.119.120.
Other host names, for instance lf28.net, dumont.go-21.de and crom.lf28.net share IP numbers with go-21.de.
Name Servers
go-21.de is delegated to three name servers: root-dns.netcup.net, second-dns.netcup.net and third-dns.netcup.net.
go-21.de partially shares name servers with other domains; examples include affektblog.de, apfelpom.de, solartechnik-hamburg.de, hohmann-engineering.de and wilsdruffer-fussball.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.
Mail Servers
go-21.de is handled by a single mail server, dumont.go-21.de.
go-21.de uses the same mail server setup as other domains, for example lf28.net.
Host dumont.go-21.de resolves to two IPs: 2a03:4000:29:4e::1 and 94.16.119.120.