schoolcentrum.com - robtex.com
schoolcentrum.com
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1775975732 | ||||||
Subdomains
mail.schoolcentrum.com |
Same first word
schoolcentrum.com |
Similar names
DNS History
9 records (6 active, 3 former)
●NSns1.esselink.nu2026-02-24 → 2026-04-12 · 3 obs
● 2026-02-24 20:13:44
● 2026-04-12 06:37:16
○NSns1.metaregistrar.nl2008-03-14 → 2008-03-14 · 3 obs
○ 2015-11-02 22:13:04
○ 2026-04-12 06:37:16
●NSns2.esselink.nu2026-02-24 → 2026-04-12 · 3 obs
● 2026-02-24 20:13:44
● 2026-04-12 06:37:16
○NSns2.metaregistrar.nl2008-03-14 → 2008-03-14 · 3 obs
○ 2015-11-02 22:13:04
○ 2026-04-12 06:37:16
●NSns3.esselink.online2026-02-24 → 2026-04-12 · 3 obs
● 2026-02-24 20:13:44
● 2026-04-12 06:37:16
●MXmail.schoolcentrum.com2008-03-14 → 2026-04-12 · 5 obs
○ 2015-11-02 22:13:04
○ 2017-06-01 14:24:34
● 2026-02-24 20:13:44
● 2026-04-12 06:37:16
●A185.10.159.1282026-02-24 → 2026-04-12 · 3 obs
● 2026-02-24 20:13:44
● 2026-04-12 06:37:16
●A2a00:1938:1:a008::8:02026-02-24 → 2026-04-12 · 3 obs
● 2026-02-24 20:13:44
● 2026-04-12 06:37:16
○A81.4.97.1502008-03-14 → 2008-03-14 · 3 obs
○ 2015-11-02 22:13:04
○ 2026-04-12 06:37:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| schoolcentrum.com | ns1.esselink.nu, ns2.esselink.nu, ns3.esselink.online | - |
✅ Authoritative Response
Server:185.10.159.123
NS records: ns1.esselink.nu, ns2.esselink.nu, ns3.esselink.online
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for schoolcentrum.com (unsigned zone)
⏱️ Timing
Total: 820ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 185.10.159.128 |
| AAAA | 1 | 2a00:1938:1:a008::8:0 |
| NS | 3 | ns1.esselink.nu, ns3.esselink.online... |
| MX | 1 | mail.schoolcentrum.com (pri: 10) |
| TXT | 1 | v=spf1 +a +mx +ip4:185.10.159.128 +ip4:1 |
| SOA | 1 | ns1.esselink.nu info.esselink.nu |
Analysis
Hierarchy
schoolcentrum.com is a parent of mail.schoolcentrum.com.
IP Addresses
schoolcentrum.com points to two IP numbers: 2a00:1938:1:a008::8:0 and 185.10.159.128.
Other host names such as mail.freespaneel.eu, mail.mirjamderoo.nl, ludwigschilderservice.nl, mail.rupopmaat.nl and mail.johnniesartwork.nl share IP numbers with schoolcentrum.com.
Name Servers
schoolcentrum.com is delegated to three name servers: ns1.esselink.nu, ns2.esselink.nu and ns3.esselink.online.
At least part of the name servers for schoolcentrum.com are shared with other domains, for instance eunen.com, bonappetitwinterswijk.nl, remotelogin.nl, kdbsecurity.nl and vakantiehuiswinterswijk.nl.
Host names with two IP numbers:
ns1.esselink.nu points to 2a00:1938:1:a008::123:0 and 185.10.159.123
ns2.esselink.nu points to 2a01:7c8:d007:516:5054:ff:fed1:9cdf and 85.10.136.5
ns3.esselink.online points to 2a00:1938:1:a008::203:0 and 178.251.25.75
Mail Servers
The mail server for schoolcentrum.com is mail.schoolcentrum.com.
Hostname mail.schoolcentrum.com resolves to two IPs: 2a00:1938:1:a008::8:0 and 185.10.159.128.