opleidingfc.nl - robtex.com
opleidingfc.nl
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 2001:610:190:624::30:67🇳🇱 SURFNET-NL2001:610::/29 SURFnet IPv6 block | ||||||
| A | 137.120.30.67🇳🇱 SURFNET-NL137.120.0.0/16 MAASNET | ||||||
| NS | gm.maastrichtuniversity.nl ⭐ | ||||||
| A | 2001:610:190:120::20:17🇳🇱 SURFNET-NL2001:610::/29 SURFnet IPv6 block | ||||||
| A | 137.120.20.17🇳🇱 SURFNET-NL137.120.0.0/16 MAASNET | ||||||
| NS | ns1.maastrichtuniversity.nl | ||||||
| A | 137.120.24.50🇳🇱 SURFNET-NL137.120.0.0/16 MAASNET | ||||||
| NS | ns1.surfnet.nl | ||||||
| A | 2001:610:1:800a:192:87:106:101🇳🇱 SURFNET-NL2001:610::/29 SURFnet IPv6 block | ||||||
| PTR | ns1.surfnet.nl | ||||||
| A | 192.87.106.101🇳🇱 SURFNET-NL192.87.0.0/16 SURFnet CIDR Block IV | ||||||
| PTR | ns1.surfnet.nl | ||||||
| NS | ns1.zurich.surf.net | ||||||
| A | 2001:620:0:9::1103🇨🇭 Switch2001:620::/32 SWITCH, The Swiss Education & Research Network | ||||||
| PTR | ns1.zurich.surf.net | ||||||
| A | 195.176.255.9🇨🇭 Switch195.176.224.0/19 SWITCH-AGGR.102 | ||||||
| PTR | ns1.zurich.surf.net | ||||||
| NS | ns2.maastrichtuniversity.eu | ||||||
| A | 137.120.24.51🇳🇱 SURFNET-NL137.120.0.0/16 MAASNET | ||||||
| SOA | gm.maastrichtuniversity.nlpostmaster@unimaas.nl serial=1161 | ||||||
nl
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns1.dns.nl ⭐ | ||||||
| NS | ns3.dns.nl | ||||||
| NS | ns4.dns.nl | ||||||
| TXT | nl zone update: 2026-07-18 05:30:01 +0000 (EPOCH 1784352601) | ||||||
| SOA | ns1.dns.nldns@sidn.nl 2026-07-18 #11 | ||||||
Subdomains
www.opleidingfc.nl |
Same first word
opleidingfc.nl |
DNS History
7 records (7 active, 0 former)
●NSgm.maastrichtuniversity.nl2026-02-15 → 2026-07-18 · 2 obs
● 2026-07-18 06:36:48
●NSns1.maastrichtuniversity.nl2026-02-15 → 2026-07-18 · 2 obs
● 2026-07-18 06:36:48
●NSns1.surfnet.nl2026-02-15 → 2026-07-18 · 2 obs
● 2026-07-18 06:36:48
●NSns1.zurich.surf.net2026-02-15 → 2026-07-18 · 2 obs
● 2026-07-18 06:36:48
●NSns2.maastrichtuniversity.eu2026-02-15 → 2026-07-18 · 2 obs
● 2026-07-18 06:36:48
●A137.120.30.672026-02-15 → 2026-07-18 · 2 obs
● 2026-07-18 06:36:48
●A2001:610:190:624::30:672026-02-15 → 2026-07-18 · 2 obs
● 2026-07-18 06:36:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| nl | ns3.dns.nl, ns1.dns.nl, ns4.dns.nl | - |
| opleidingfc.nl | ns1.zurich.surf.net, ns1.surfnet.nl, ns1.maastrichtuniversity.nl, ns2.maastrichtuniversity.eu | 3 records |
✅ Authoritative Response
Server:195.176.255.9
NS records: ns1.zurich.surf.net, ns1.surfnet.nl, ns1.maastrichtuniversity.nl, ns2.maastrichtuniversity.eu
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 3674ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 137.120.30.67 |
| AAAA | 1 | 2001:610:190:624::30:67 |
| NS | 4 | ns1.surfnet.nl, ns1.zurich.surf.net... |
| SOA | 1 | gm.maastrichtuniversity.nl postmaster.un |
📌 Glue Records Collected
Total: 3
Out-of-bailiwick: 3 (ns1.surfnet.nl, ns1.surfnet.nl, ns1.maastrichtuniversity.nl)
Analysis
Hierarchy
www.opleidingfc.nl is delegated beneath opleidingfc.nl.
IP Addresses
opleidingfc.nl points to the IP addresses 137.120.30.67 and 2001:610:190:624::30:67
Among the host names that share IP numbers with opleidingfc.nl are maastrichtobc.nl, klinischepredictiemodellen.nl, expertisecentrum-pijn-en-revalidatie.nl and two others.
Name Servers
The authoritative name servers for opleidingfc.nl are ns2.maastrichtuniversity.eu, gm.maastrichtuniversity.nl, ns1.maastrichtuniversity.nl and two others.
There is at least partial name server overlap between opleidingfc.nl and other domains — paulcliteur.nl, humanitiescenter.org, flex.surfnet.nl and two more among them.
These name servers regularly appear alongside ns1.surfnet.nl, ns1.zurich.surf.net, ns2.surfnet.nl and 4 other name servers in NS record sets.
Hosts with two IP numbers each:
gm.maastrichtuniversity.nl maps to two IP addresses — 137.120.20.17 and 2001:610:190:120::20:17.
ns1.surfnet.nl maps to two IP addresses — 192.87.106.101 and 2001:610:1:800a:192:87:106:101.
ns1.zurich.surf.net maps to two IP addresses — 195.176.255.9 and 2001:620:0:9::1103.
Hosts that resolve to one IP address:
ns2.maastrichtuniversity.eu points to the IP address 137.120.24.51.
ns1.maastrichtuniversity.nl points to the IP address 137.120.24.50.