ridders.nu - robtex.com
ridders.nu
nu
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | catcher-in-the-rye.nic.nu ⭐ | ||||||
| NS | a.ns.nu | ||||||
| NS | c.ns.nu | ||||||
| NS | d.ns.nu | ||||||
| NS | m.ns.nu | ||||||
| NS | y.ns.nu | ||||||
| NS | z.ns.nu | ||||||
| TXT | NU zone update: 2026-07-30 09:04:46 +0000 (EPOCH 1785402286) (auto) | ||||||
| TXT | id:00ce5c80-3b47-4aa4-9b2c-7a95913b3e81 | ||||||
| SOA | catcher-in-the-rye.nic.nuhostmaster@nic.nu serial=1785402346 | ||||||
Subdomains
www.ridders.nu |
Same first word
DNS History
10 records (8 active, 2 former)
●NSns1.qweb.net2026-04-10 → 2026-07-30 · 3 obs
● 2026-04-10 06:56:10
● 2026-07-30 09:52:24
●NSns2.qweb.nu2026-04-10 → 2026-07-30 · 3 obs
● 2026-04-10 06:56:10
● 2026-07-30 09:52:24
○MXfallbackmx.qfilter.eu2015-07-17 → 2017-04-05 · 4 obs
● 2017-04-05 03:34:46
○ 2026-04-10 06:56:10
○ 2026-07-30 09:52:24
●MXfallbackmx.spam-filter.cloud2026-04-10 → 2026-07-30 · 3 obs
● 2026-04-10 06:56:10
● 2026-07-30 09:52:24
○MXmx.qfilter.nl2015-07-17 → 2017-04-05 · 4 obs
● 2017-04-05 03:34:46
○ 2026-04-10 06:56:10
○ 2026-07-30 09:52:24
●MXmx.spam-filter.email2026-04-10 → 2026-07-30 · 3 obs
● 2026-04-10 06:56:10
● 2026-07-30 09:52:24
●A217.18.65.152015-07-17 → 2026-07-30 · 2 obs
● 2026-07-30 09:52:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| nu | z.ns.nu, a.ns.nu, c.ns.nu, d.ns.nu... | - |
| ridders.nu | ns1.qweb.net, ns2.qweb.nu, ns3.qweb.co | 2 records |
✅ Authoritative Response
Server:217.18.64.241
NS records: ns1.qweb.net, ns2.qweb.nu, ns3.qweb.co
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ridders.nu (unsigned zone)
⏱️ Timing
Total: 657ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 217.18.65.15 |
| NS | 3 | ns2.qweb.nl, ns3.qweb.co... |
| MX | 2 | fallbackmx.spam-filter.cloud (pri: 20), mx.spam-filter.email (pri: 10) |
| SOA | 1 | ns1.qweb.nl hostmaster.qweb.nl |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns2.qweb.nu, ns2.qweb.nu)
Analysis
Hierarchy
www.ridders.nu is a subdomain of ridders.nu.
IP Addresses
ridders.nu directs to one IP number, which is 217.18.65.15.
Among the host names that share IP numbers with ridders.nu are buitenlucht.nl, jochem.vandieten.net, www.ridders.nu and two others.
Name Servers
The authoritative name servers for ridders.nu are ns3.qweb.co, ns1.qweb.net, ns1.qweb.nl and two others.
The name servers of ridders.nu overlap at least partially with those of other domains — among them tulipcocoa.de, ortgiess.com, puresonic.nl and two more.
These name servers commonly appear alongside the name servers ns2.qweb.nu and ns2.qweb.nl.
Hosts with two IP numbers each:
ns3.qweb.co points to 185.214.149.241 and 2a0b:9cc0::149:241.
ns1.qweb.net points to 217.18.64.241 and 2a00:19c0:a064:240::1.
ns1.qweb.nl points to 217.18.64.241 and 2a00:19c0:a064:240::1.
ns2.qweb.nl points to 217.18.68.241 and 2a00:19c0:c068:240::1.
ns2.qweb.nu points to 217.18.68.241 and 2a00:19c0:c068:240::1.
ns1.qweb.net and ns1.qweb.nl are host names that each point to 2a00:19c0:a064:240::1 IP addresses.
ns1.qweb.net and ns1.qweb.nl are host names that each point to 217.18.64.241 IP addresses.
ns2.qweb.nl and ns2.qweb.nu are host names that each point to 2a00:19c0:c068:240::1 IP addresses.
ns2.qweb.nl and ns2.qweb.nu are host names that each point to 217.18.68.241 IP addresses.
Mail Servers
The MX records for ridders.nu point to two mail servers: fallbackmx.spam-filter.cloud and mx.spam-filter.email.
ridders.nu has the same mail server arrangement as a number of other domains, for example slidex.com, sloofadvies.nl, celerol.nl and two more.
ridders.nu shares at least some of its mail servers with other domains — for example oralscan.nl, studiojan.nl, nobrabin.nl and two more.
Host names resolving to 8 IP numbers:
fallbackmx.spam-filter.cloud resolves to 178.255.197.80, 178.255.197.180, 185.214.149.80 and 5 other IP addresses.
mx.spam-filter.email resolves to 178.255.197.80, 178.255.197.180, 185.214.149.80 and 5 other IP addresses.
fallbackmx.spam-filter.cloud and mx.spam-filter.email are host names that each point to 2a00:19c0:a064:80::1 IP addresses.
fallbackmx.spam-filter.cloud and mx.spam-filter.email are host names that each point to 178.255.197.80 IP addresses.
fallbackmx.spam-filter.cloud and mx.spam-filter.email are host names that each point to 178.255.197.180 IP addresses.
fallbackmx.spam-filter.cloud and mx.spam-filter.email are host names that each point to 185.214.149.80 IP addresses.