course4pros.net - robtex.com
course4pros.net
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2a01:448:2001::10🇳🇱 METAREGISTRAR2a01:448::/34 | ||||||
| A | 213.249.67.10🇳🇱 METAREGISTRAR213.249.64.0/21 | ||||||
| NS | nsn1.mijndomein.nl ⭐ | ||||||
| A | 2001:67c:1bc::15🇦🇹 RCODEZERO-ANYCAST-SEC1-TLD2001:67c:1bc::/48 IPCom-NET Anycast | ||||||
| PTR | ns1.premiumdns.zone | ||||||
| A | 192.174.68.15🇦🇹 RCODEZERO-ANYCAST-SEC1-TLD192.174.68.0/24 NICat-anycast-net | ||||||
| PTR | ns1.premiumdns.zone | ||||||
| NS | nsn2.mijndomein.nl | ||||||
| A | 2001:67c:10b8::15🇨🇭 RCODEZERO-ANYCAST-SEC22001:67c:10b8::/48 IPCOM-anycast-net | ||||||
| PTR | ns2.premiumdns.zone | ||||||
| A | 176.97.158.15🇦🇹 RCODEZERO-ANYCAST-SEC2176.97.158.0/24 NICat-anycast-net | ||||||
| PTR | ns2.premiumdns.zone | ||||||
| TXT | v=spf1 a mx include:spf.mijndomeinhosting.nl -all | ||||||
| SOA | nsn1.mijndomein.nlhostmaster@course4pros.net 2026-03-26 #1 | ||||||
net
| 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=1774655177 | ||||||
Same first word
course4pros.net |
DNS History
7 records (4 active, 3 former)
○NSns1.metaregistrar.nl2015-06-21 → 2017-03-14 · 3 obs
● 2017-03-14 19:26:14
○ 2026-03-28 00:10:24
○NSns2.metaregistrar.nl2015-06-21 → 2017-03-14 · 3 obs
● 2017-03-14 19:26:14
○ 2026-03-28 00:10:24
●NSnsn1.mijndomein.nl2026-03-28 → 2026-03-28 · 2 obs
● 2026-03-28 00:10:24
●NSnsn2.mijndomein.nl2026-03-28 → 2026-03-28 · 2 obs
● 2026-03-28 00:10:24
○A188.93.150.442015-06-21 → 2017-03-14 · 3 obs
● 2017-03-14 19:26:14
○ 2026-03-28 00:10:24
●A213.249.67.102026-03-28 → 2026-03-28 · 2 obs
● 2026-03-28 00:10:24
●A2a01:448:2001::102026-03-28 → 2026-03-28 · 2 obs
● 2026-03-28 00:10:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| course4pros.net | nsn1.mijndomein.nl, nsn2.mijndomein.nl | - |
✅ Authoritative Response
Server:176.97.158.15
NS records: nsn1.mijndomein.nl, nsn2.mijndomein.nl
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for course4pros.net (unsigned zone)
⏱️ Timing
Total: 98ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 213.249.67.10 |
| AAAA | 1 | 2a01:448:2001::10 |
| NS | 2 | nsn1.mijndomein.nl, nsn2.mijndomein.nl |
| TXT | 1 | v=spf1 a mx include:spf.mijndomeinhostin |
| SOA | 1 | nsn1.mijndomein.nl hostmaster.course4pro |
Analysis
IP Addresses
course4pros.net resolves to two IP numbers: 2a01:448:2001::10 and 213.249.67.10.
Other host names, for instance ktip.nl, deautoimporteur.biz, hgvb.nl, flexaforte.nl and diversityofbeauty.com share IP numbers with course4pros.net.
Name Servers
Two name servers nsn1.mijndomein.nl and nsn2.mijndomein.nl handle delegation for course4pros.net.
course4pros.net uses the same name server setup as other domains, for example evitel.nl, openpdf.nl, ubilock.eu, iamdnzl.com and evnwoonstyle.nl.
Host names with two IP numbers:
nsn1.mijndomein.nl points to: 2001:67c:1bc::15 and 192.174.68.15
nsn2.mijndomein.nl points to: 2001:67c:10b8::15 and 176.97.158.15