dev-null.nl - dns.ninja
dev-null.nl
nl
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns1.dns.nl ⭐ | ||||||
| NS | ns3.dns.nl | ||||||
| NS | ns4.dns.nl | ||||||
| TXT | nl zone update: 2026-07-24 03:00:02 +0000 (EPOCH 1784862002) | ||||||
| SOA | ns1.dns.nldns@sidn.nl 2026-07-24 #6 | ||||||
Subdomains
mail.dev-null.nl |
Same first word
Similar names
DNS History
13 records (7 active, 6 former)
●NSns1.polyware.nl2026-03-27 → 2026-07-24 · 3 obs
● 2026-03-27 10:40:16
● 2026-07-24 03:29:38
●NSns1.the-box.com2026-03-27 → 2026-07-24 · 3 obs
● 2026-03-27 10:40:16
● 2026-07-24 03:29:38
●NSns2.polyware.nl2026-03-27 → 2026-07-24 · 3 obs
● 2026-03-27 10:40:16
● 2026-07-24 03:29:38
●NSns2.the-box.com2026-03-27 → 2026-07-24 · 3 obs
● 2026-03-27 10:40:16
● 2026-07-24 03:29:38
○NSns49.axc.nl2015-05-03 → 2017-04-08 · 4 obs
● 2017-04-08 23:29:04
○ 2026-03-27 10:40:16
○ 2026-07-24 03:29:38
○NSns50.axc.nl2015-05-03 → 2017-04-08 · 4 obs
● 2017-04-08 23:29:04
○ 2026-03-27 10:40:16
○ 2026-07-24 03:29:38
○MXmail.dev-null.nl2015-05-03 → 2017-04-08 · 4 obs
● 2017-04-08 23:29:04
○ 2026-03-27 10:40:16
○ 2026-07-24 03:29:38
●MXmail.the-box.com2026-03-27 → 2026-07-24 · 3 obs
● 2026-03-27 10:40:16
● 2026-07-24 03:29:38
●MXmx1.polyware.nl2026-03-27 → 2026-07-24 · 3 obs
● 2026-03-27 10:40:16
● 2026-07-24 03:29:38
●MXmx2.polyware.nl2026-03-27 → 2026-07-24 · 3 obs
● 2026-03-27 10:40:16
● 2026-07-24 03:29:38
○A159.253.0.562015-05-03 → 2016-09-11 · 4 obs
● 2016-09-11 00:46:14
○ 2017-04-08 23:29:04
○ 2026-07-24 03:29:38
○A185.182.56.832017-04-08 → 2017-04-08 · 4 obs
● 2017-04-08 23:29:04
○ 2026-03-27 10:40:16
○ 2026-07-24 03:29:38
○A2a0b:7280:100:0:457:a0ff:fe00:208d2017-04-08 → 2017-04-08 · 4 obs
● 2017-04-08 23:29:04
○ 2026-03-27 10:40:16
○ 2026-07-24 03:29:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| nl | ns3.dns.nl, ns4.dns.nl, ns1.dns.nl | - |
| dev-null.nl | ns1.the-box.com, ns2.the-box.com | - |
✅ Authoritative Response
Server:116.203.58.254
NS records: ns1.the-box.com, ns2.the-box.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for dev-null.nl (unsigned zone)
⏱️ Timing
Total: 2773ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | ns2.polyware.nl, ns1.polyware.nl |
| MX | 3 | mx1.polyware.nl (pri: 100), mx2.polyware.nl (pri: 200)... |
| SOA | 1 | ns1.polyware.nl kersing.the-box.com |
Analysis
Hierarchy
dev-null.nl serves as the parent of mail.dev-null.nl.
Name Servers
The NS records for dev-null.nl point to four name servers: ns1.the-box.com, ns2.the-box.com, ns1.polyware.nl and ns2.polyware.nl.
dev-null.nl has at least partial name server overlap with other domains, such as polyware.eu, remote-access.nl, polyware.nl and two others.
Host names that have two IP addresses:
ns1.polyware.nl resolves to two addresses: 116.203.58.254 and 2a01:4f8:1c1c:13fc::1.
ns2.polyware.nl resolves to two addresses: 168.119.153.204 and 2a01:4f8:1c17:5452::1.
Host names that point to one IP address:
The hostname ns1.the-box.com resolves to 168.119.153.204.
The hostname ns2.the-box.com resolves to 116.203.58.254.
ns1.polyware.nl along with ns2.the-box.com each resolve to 116.203.58.254 IP addresses.
ns2.polyware.nl along with ns1.the-box.com each resolve to 168.119.153.204 IP addresses.
Mail Servers
dev-null.nl has three mail servers: mail.the-box.com, mx1.polyware.nl and mx2.polyware.nl.
There is at least a partial MX overlap between dev-null.nl and other domains, including kersing.nl, the-box.com, polyware.eu and two others.
smtp.polyware.nl, asimov.the-box.com, mx1.the-box.com and mx2.the-box.com are mail servers that frequently appear together with these mail servers.
Host names that have two IP addresses:
mx1.polyware.nl resolves to two addresses: 116.203.58.254 and 2a01:4f8:1c1c:13fc::1.
mx2.polyware.nl resolves to two addresses: 168.119.153.204 and 2a01:4f8:1c17:5452::1.
Host names that point to one IP address:
The hostname mail.the-box.com resolves to 82.169.184.118.