zelfstudies.nl - robtex.com
zelfstudies.nl
| DNSSEC | ⚠️ Not signed | ||||||
| A | 176.117.56.90🇧🇪 UNSPECIFIED160.0.0.0/3 | ||||||
| NS | ns1.thednscompany.com ⭐ | ||||||
| A | 2a02:cc9:0:63::233🇳🇱 LEASEWEB-NL-AMS-012a02:cc9::/32 | ||||||
| PTR | ns1.thednscompany.com | ||||||
| A | 185.145.63.233🇳🇱 LEASEWEB-NL-AMS-01185.145.60.0/22 | ||||||
| PTR | ns1.thednscompany.com | ||||||
| NS | ns2.thednscompany.com | ||||||
| A | 2001:1af8:4700:a112:13::50🇳🇱 LEASEWEB-NL-AMS-012001:1af8::/32 NL-LEASEWEB-20040408 Leaseweb | ||||||
| PTR | ns2.thednscompany.com | ||||||
| A | 37.48.115.145🇳🇱 LEASEWEB-NL-AMS-0137.48.64.0/18 LEASEWEB | ||||||
| PTR | ns2.thednscompany.com | ||||||
| NS | ns3.thednscompany.com | ||||||
| A | 2a01:7c8:aab5:5b3::1🇳🇱 TRANSIP-AS2a01:7c8::/32 TransIP B.V. Amsterdam IPv6 network | ||||||
| PTR | ns3.thednscompany.com | ||||||
| A | 149.210.192.124🇳🇱 TRANSIP-AS149.210.128.0/17 TransIP BV Amsterdam, The Netherlands | ||||||
| PTR | ns3.thednscompany.com | ||||||
| MX | mail.zelfstudies.nl ⭐ | ||||||
| A | 176.117.56.90🇧🇪 UNSPECIFIED160.0.0.0/3 | ||||||
| TXT | v=spf1 ip4:176.117.56.90 ~all | ||||||
| SOA | ns1.thednscompany.comns1@thednscompany.com 2020-07-21 #10 | ||||||
nl
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns1.dns.nl ⭐ | ||||||
| NS | ns3.dns.nl | ||||||
| NS | ns4.dns.nl | ||||||
| TXT | nl zone update: 2026-03-27 17:30:02 +0000 (EPOCH 1774632602) | ||||||
| SOA | ns1.dns.nldns@sidn.nl 2026-03-27 #35 | ||||||
Subdomains
mail.zelfstudies.nl |
Same first word
zelfstudies.nl |
DNS History
7 records (5 active, 2 former)
○NSns1.dehostdivisie.nl2015-07-20 → 2018-11-12 · 3 obs
● 2018-11-12 15:36:56
○ 2026-03-27 17:54:32
●NSns1.thednscompany.com2026-03-27 → 2026-03-27 · 2 obs
● 2026-03-27 17:54:32
○NSns2.dehostdivisie.nl2015-07-20 → 2018-11-12 · 3 obs
● 2018-11-12 15:36:56
○ 2026-03-27 17:54:32
●NSns2.thednscompany.com2026-03-27 → 2026-03-27 · 2 obs
● 2026-03-27 17:54:32
●NSns3.thednscompany.com2026-03-27 → 2026-03-27 · 2 obs
● 2026-03-27 17:54:32
●MXmail.zelfstudies.nl2015-07-20 → 2026-03-27 · 2 obs
● 2026-03-27 17:54:32
●A176.117.56.902015-07-20 → 2026-03-27 · 2 obs
● 2026-03-27 17:54:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| nl | ns4.dns.nl, ns1.dns.nl, ns3.dns.nl | - |
| zelfstudies.nl | ns1.thednscompany.com, ns2.thednscompany.com, ns3.thednscompany.com | - |
✅ Authoritative Response
Server:149.210.192.124
NS records: ns1.thednscompany.com, ns2.thednscompany.com, ns3.thednscompany.com
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 1061ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 176.117.56.90 |
| NS | 3 | ns1.thednscompany.com, ns3.thednscompany.com... |
| MX | 1 | mail.zelfstudies.nl (pri: 10) |
| TXT | 1 | v=spf1 ip4:176.117.56.90 ~all |
| SOA | 1 | ns1.thednscompany.com ns1.thednscompany. |
Analysis
Hierarchy
zelfstudies.nl is parent of mail.zelfstudies.nl.
IP Addresses
zelfstudies.nl points to a single IP: 176.117.56.90.
Other host names, for instance seojobs.nl, mail.zelfstudies.nl and mail.seojobs.nl share IP numbers with zelfstudies.nl.
Name Servers
zelfstudies.nl is delegated to three name servers: ns1.thednscompany.com, ns2.thednscompany.com and ns3.thednscompany.com.
zelfstudies.nl at least partially shares its name servers with other domains, for instance onlinedeurbeslagshop.nl, abcom.nl, get-online.nl, ixonet.nl and sinbv.nl.
Host names with two IP numbers:
ns1.thednscompany.com points to: 2a02:cc9:0:63::233 and 185.145.63.233.
ns2.thednscompany.com points to: 2001:1af8:4700:a112:13::50 and 37.48.115.145.
ns3.thednscompany.com points to: 2a01:7c8:aab5:5b3::1 and 149.210.192.124.
Mail Servers
zelfstudies.nl is served by a single mail server, mail.zelfstudies.nl.
mail.zelfstudies.nl points to IP number 176.117.56.90.