dataopen.nl - dns.ninja
dataopen.nl
| DNSSEC | ⚠️ Not signed | ||||||
| A | 31.169.61.31🇳🇱 AS-CM31.169.60.0/23 CM-PI | ||||||
| NS | ns1.cmtechnology.com ⭐ | ||||||
| A | 2400:cb00:2049:1::c629:de4f🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street | ||||||
| A | 198.41.222.79Cloudflare198.41.222.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | cf-198-41-222-79.cloudflare.com | ||||||
| NS | ns2.cmtechnology.com | ||||||
| A | 2400:cb00:2049:1::a29f:bf0🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street | ||||||
| A | 162.159.11.240Cloudflare162.159.11.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns3.cmtechnology.com | ||||||
| A | 2400:cb00:2049:1::a29f:a6d🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street | ||||||
| A | 162.159.10.109Cloudflare162.159.10.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns4.cmtechnology.com | ||||||
| A | 2400:cb00:2049:1::a29f:84e🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street | ||||||
| A | 162.159.8.78Cloudflare162.159.8.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| SOA | ns1.cmtechnology.comtech@cm.com 2022-12-15 #1 | ||||||
nl
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns1.dns.nl ⭐ | ||||||
| NS | ns3.dns.nl | ||||||
| NS | ns4.dns.nl | ||||||
| TXT | nl zone update: 2026-06-21 21:00:02 +0000 (EPOCH 1782075602) | ||||||
| SOA | ns1.dns.nldns@sidn.nl 2026-06-21 #42 | ||||||
Same first word
Similar names
DNS History
11 records (5 active, 6 former)
○NSns1.cm.nl2015-06-13 → 2017-11-13 · 4 obs
● 2017-11-13 16:21:02
○ 2026-06-11 09:59:56
○ 2026-06-21 21:39:40
●NSns1.cmtechnology.com2026-06-11 → 2026-06-21 · 3 obs
● 2026-06-11 09:59:56
● 2026-06-21 21:39:40
○NSns2.cm.nl2015-06-13 → 2017-11-13 · 4 obs
● 2017-11-13 16:21:02
○ 2026-06-11 09:59:56
○ 2026-06-21 21:39:40
●NSns2.cmtechnology.com2026-06-11 → 2026-06-21 · 3 obs
● 2026-06-11 09:59:56
● 2026-06-21 21:39:40
○NSns3.cm.nl2015-06-13 → 2017-11-13 · 4 obs
● 2017-11-13 16:21:02
○ 2026-06-11 09:59:56
○ 2026-06-21 21:39:40
●NSns3.cmtechnology.com2026-06-11 → 2026-06-21 · 3 obs
● 2026-06-11 09:59:56
● 2026-06-21 21:39:40
○NSns4.cm.nl2015-06-13 → 2017-11-13 · 4 obs
● 2017-11-13 16:21:02
○ 2026-06-11 09:59:56
○ 2026-06-21 21:39:40
●NSns4.cmtechnology.com2026-06-11 → 2026-06-21 · 3 obs
● 2026-06-11 09:59:56
● 2026-06-21 21:39:40
○A31.169.57.712016-01-20 → 2016-04-12 · 5 obs
● 2016-01-20 17:56:30
● 2016-04-12 11:45:22
○ 2016-11-20 01:59:20
○ 2026-06-21 21:39:40
●A31.169.61.312016-11-20 → 2026-06-21 · 3 obs
● 2016-11-20 01:59:20
● 2026-06-21 21:39:40
○A80.246.194.1222015-06-13 → 2015-10-30 · 4 obs
● 2015-10-30 23:10:04
○ 2016-01-20 17:56:30
○ 2026-06-21 21:39:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| nl | ns3.dns.nl, ns1.dns.nl, ns4.dns.nl | - |
| dataopen.nl | ns3.cmtechnology.com, ns2.cmtechnology.com, ns1.cmtechnology.com, ns4.cmtechnology.com | - |
✅ Authoritative Response
Server:162.159.10.109
NS records: ns3.cmtechnology.com, ns2.cmtechnology.com, ns1.cmtechnology.com, ns4.cmtechnology.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for dataopen.nl (unsigned zone)
⏱️ Timing
Total: 910ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 31.169.61.31 |
| NS | 4 | ns4.cmtechnology.com, ns1.cmtechnology.com... |
| SOA | 1 | ns1.cmtechnology.com tech.cm.com |
Analysis
IP Addresses
dataopen.nl directs to one IP number, which is 31.169.61.31.
Among the host names that share IP numbers with dataopen.nl are clubmessage.com, www.cmtechnology.com, mobileconventionamsterdam.nl and two others.
Name Servers
The domain dataopen.nl is delegated to these four name servers: ns1.cmtechnology.com, ns2.cmtechnology.com, ns3.cmtechnology.com and ns4.cmtechnology.com.
There is at least partial name server overlap between dataopen.nl and other domains — sm(0x736578)tra.com, mailtopush.com, certa.io and two more among them.
All four hostnames — ns1.cmtechnology.com, ns2.cmtechnology.com, ns3.cmtechnology.com and ns4.cmtechnology.com — resolve to two IP numbers apiece: ns1.cmtechnology.com to 198.41.222.79 and 2400:cb00:2049:1::c629:de4f; ns2.cmtechnology.com to 162.159.11.240 and 2400:cb00:2049:1::a29f:bf0; ns3.cmtechnology.com to 162.159.10.109 and 2400:cb00:2049:1::a29f:a6d; ns4.cmtechnology.com to 162.159.8.78 and 2400:cb00:2049:1::a29f:84e.