jfoserver.de - robtex.com
jfoserver.de
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 2a03:4000:6:502a::1🇩🇪 netcup-AS2a03:4000::/32 NETCUP-GMBH | ||||||
| PTR | jfo1.jfoserver.de | ||||||
| A | 37.120.169.119🇩🇪 netcup-AS37.120.168.0/22 | ||||||
| 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 | jfo1.jfoserver.de ⭐ | ||||||
| A | 2a03:4000:6:502a::1🇩🇪 netcup-AS2a03:4000::/32 NETCUP-GMBH | ||||||
| PTR | jfo1.jfoserver.de | ||||||
| A | 37.120.169.119🇩🇪 netcup-AS37.120.168.0/22 | ||||||
| PTR | jfo1.jfoserver.de | ||||||
| TXT | v=spf1 a mx include:internet-xs.de ip4:195.20.234.177 ip6:2a02:247a:200:da00:... | ||||||
| SOA | root-dns.netcup.netdnsadmin@netcup.net 2026-03-15 #60 | ||||||
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=1775971166 | ||||||
Subdomains
jfo1.jfoserver.de |
Same first word
jfoserver.de |
Similar names
DNS History
6 records (6 active, 0 former)
●NSroot-dns.netcup.net2026-03-21 → 2026-04-12 · 2 obs
● 2026-04-12 05:33:54
●NSsecond-dns.netcup.net2026-03-21 → 2026-04-12 · 2 obs
● 2026-04-12 05:33:54
●NSthird-dns.netcup.net2026-03-21 → 2026-04-12 · 2 obs
● 2026-04-12 05:33:54
●MXjfo1.jfoserver.de2026-03-21 → 2026-04-12 · 2 obs
● 2026-04-12 05:33:54
●A2a03:4000:6:502a::12026-03-21 → 2026-04-12 · 2 obs
● 2026-04-12 05:33:54
●A37.120.169.1192026-03-21 → 2026-04-12 · 2 obs
● 2026-04-12 05:33:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| jfoserver.de | root-dns.netcup.net, third-dns.netcup.net, second-dns.netcup.net | - |
✅ Authoritative Response
Server:37.221.199.199
NS records: root-dns.netcup.net, third-dns.netcup.net, second-dns.netcup.net
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 1235ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 37.120.169.119 |
| AAAA | 1 | 2a03:4000:6:502a::1 |
| NS | 3 | third-dns.netcup.net, root-dns.netcup.net... |
| MX | 1 | jfo1.jfoserver.de (pri: 1) |
| TXT | 1 | v=spf1 a mx include:internet-xs.de ip4:1 |
| SOA | 1 | root-dns.netcup.net dnsadmin.netcup.net |
Analysis
Hierarchy
jfo1.jfoserver.de is a child of jfoserver.de.
IP Addresses
jfoserver.de has two IP numbers: 2a03:4000:6:502a::1 and 37.120.169.119.
Other host names including vereinigung-sportrecht.de, jfo1.jfoserver.de, janforth.de and sportrecht-vereinigung.de share IP numbers with jfoserver.de.
Name Servers
jfoserver.de is delegated to three name servers: root-dns.netcup.net, second-dns.netcup.net and third-dns.netcup.net.
jfoserver.de at least partially shares name servers with other domains, including emsicorp.de, softestware.de, lmcshowtechnik.de, peoplemaxx.de and qha.de.
Host names with two IP numbers:
root-dns.netcup.net: 2a03:4000:0:1::e1e1 and 46.38.225.225
second-dns.netcup.net: 2a03:4000:2:24b::c7c7 and 37.221.199.199
third-dns.netcup.net: 2a03:4001:0:106::3f44 and 188.68.63.68
Mail Servers
A single mail server handles jfoserver.de, jfo1.jfoserver.de.
jfoserver.de uses the same mail server setup as other domains such as janforth.de, globalgamessummit.com and vereinigung-sportrecht.de.
The host name jfo1.jfoserver.de resolves to two IP numbers: 2a03:4000:6:502a::1 and 37.120.169.119.