require.de - dns.ninja
require.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 87.237.121.137🇩🇪 NETBUILD-AS87.237.120.0/21 Net-Build GmbH Alfred-Nobel-Allee 38 66793 Saarwellingen Germany | ||||||
| PTR | web04.net-server.de | ||||||
| NS | ns1.net-build.de ⭐ | ||||||
| A | 87.237.124.6🇩🇪 NETBUILD-AS87.237.120.0/21 Net-Build GmbH Alfred-Nobel-Allee 38 66793 Saarwellingen Germany | ||||||
| PTR | ns1.netbuild.net | ||||||
| NS | ns2.net-build.de | ||||||
| A | 87.237.127.6🇩🇪 NETBUILD-AS87.237.120.0/21 Net-Build GmbH Alfred-Nobel-Allee 38 66793 Saarwellingen Germany | ||||||
| PTR | ns2.netbuild.net | ||||||
| MX | mail.require.de ⭐ | ||||||
| A | 87.237.121.131🇩🇪 NETBUILD-AS87.237.120.0/21 Net-Build GmbH Alfred-Nobel-Allee 38 66793 Saarwellingen Germany | ||||||
| PTR | mail01.net-server.de | ||||||
| SOA | ns1.net-build.desupport@net-build.de 2010-02-02 #1 | ||||||
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=1785589212 | ||||||
Subdomains
mail.require.de |
Same first word
Similar names
DNS History
4 records (4 active, 0 former)
●NSns1.net-build.de2015-08-17 → 2026-08-01 · 2 obs
● 2026-08-01 13:28:10
●NSns2.net-build.de2015-08-17 → 2026-08-01 · 2 obs
● 2026-08-01 13:28:10
●MXmail.require.de2015-08-17 → 2026-08-01 · 2 obs
● 2026-08-01 13:28:10
●A87.237.121.1372015-08-17 → 2026-08-01 · 2 obs
● 2026-08-01 13:28:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| require.de | ns1.net-build.de, ns2.net-build.de | 2 records |
✅ Authoritative Response
Server:87.237.124.6
NS records: ns1.net-build.de, ns2.net-build.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for require.de (unsigned zone)
⏱️ Timing
Total: 619ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 87.237.121.137 |
| NS | 2 | ns1.net-build.de, ns2.net-build.de |
| MX | 1 | mail.require.de (pri: 10) |
| SOA | 1 | ns1.net-build.de support.net-build.de |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.net-build.de, ns2.net-build.de)
Analysis
Hierarchy
require.de is the parent zone for mail.require.de.
IP Addresses
require.de points to a single IP number: 87.237.121.137.
Additional host names — harald-wolfert.de, www.tonkultur.com, optipost.de and two others — share IP numbers with require.de.
Name Servers
The NS records for require.de delegate to ns1.net-build.de and ns2.net-build.de.
require.de shares its name server setup with other domains, including schneckenhof.com, easyklix.org, beikoenig.de and two others.
require.de partially shares its NS delegation with several other domains, including posterlounge.nl, osor.de, net-build.eu and two others.
In DNS configurations, these name servers often share authority with ns1.net-server.de, ns2.net-server.de, ns1-ipv6.netbuild.net and 7 other name servers.
ns1.net-build.de resolves to 87.237.124.6. ns2.net-build.de resolves to 87.237.127.6. Both host names point to a single IP number.
Mail Servers
require.de has one mail server: mail.require.de.
mail.require.de resolves to 87.237.121.131 and no other IP number.