coursemanager.eu - robtex.com
coursemanager.eu
| DNSSEC | ⚠️ Not signed | ||||||
| A | 83.136.17.145🇳🇱 UNISERVER-AS83.136.17.0/24 | ||||||
| NS | ns0.transip.net ⭐ | ||||||
| A | 2a01:7c8:dddd:195::195🇳🇱 TRANSIP-AS2a01:7c8::/32 TransIP B.V. Amsterdam IPv6 network | ||||||
| PTR | ns0.transip.net | ||||||
| A | 195.135.195.195🇮🇹 TRANSIP-AS195.135.195.0/24 TransIP B.V. | ||||||
| NS | ns1.transip.nl | ||||||
| A | 2a01:7c8:7000:195::195🇳🇱 TRANSIP-AS2a01:7c8::/32 TransIP B.V. Amsterdam IPv6 network | ||||||
| PTR | ns1.transip.nl | ||||||
| A | 195.8.195.195🇳🇱 TRANSIP-AS195.8.195.0/24 TransIP B.V. | ||||||
| NS | ns2.transip.eu | ||||||
| A | 2a01:7c8:f:c1f::195🇳🇱 TRANSIP-AS2a01:7c8::/32 TransIP B.V. Amsterdam IPv6 network | ||||||
| PTR | ns2.transip.eu | ||||||
| A | 37.97.199.195🇳🇱 TRANSIP-AS37.97.128.0/17 TransIP BV Amsterdam, The Netherlands | ||||||
| MX | mail5.nedcomp.nl ⭐ | ||||||
| MX | relay1.nedcomp.nl(300) | ||||||
| A | 193.30.6.98🇳🇱 UNISERVER-AS193.30.6.0/23 | ||||||
| PTR | spamfilter.nedcomp.nl | ||||||
| MX | relay2.nedcomp.nl(300) | ||||||
| A | 193.30.6.98🇳🇱 UNISERVER-AS193.30.6.0/23 | ||||||
| PTR | spamfilter.nedcomp.nl | ||||||
| MX | relay3.nedcomp.nl(300) | ||||||
| A | 193.30.6.98🇳🇱 UNISERVER-AS193.30.6.0/23 | ||||||
| PTR | spamfilter.nedcomp.nl | ||||||
| SOA | ns0.transip.nethostmaster@transip.nl 2021-09-07 #1 | ||||||
eu
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | si.dns.eu ⭐ | ||||||
| NS | be.dns.eu | ||||||
| NS | w.dns.eu | ||||||
| NS | x.dns.eu | ||||||
| NS | y.dns.eu | ||||||
| SOA | si.dns.eutech@eurid.eu serial=1126385244 | ||||||
Same first word
coursemanager.eu |
coursemanager.io |
coursemanager.de |
coursemanager.net |
Similar names
DNS History
9 records (8 active, 1 former)
●NSns0.transip.net2015-08-02 → 2026-07-23 · 2 obs
● 2026-07-23 12:40:58
●NSns1.transip.nl2015-08-02 → 2026-07-23 · 2 obs
● 2026-07-23 12:40:58
●NSns2.transip.eu2015-08-02 → 2026-07-23 · 2 obs
● 2026-07-23 12:40:58
●MXmail5.nedcomp.nl2015-08-02 → 2026-07-23 · 2 obs
● 2026-07-23 12:40:58
●MXrelay1.nedcomp.nl2015-08-02 → 2026-07-23 · 2 obs
● 2026-07-23 12:40:58
●MXrelay2.nedcomp.nl2015-08-02 → 2026-07-23 · 2 obs
● 2026-07-23 12:40:58
●MXrelay3.nedcomp.nl2015-08-02 → 2026-07-23 · 2 obs
● 2026-07-23 12:40:58
○A195.193.168.2442015-08-02 → 2017-04-04 · 4 obs
● 2017-04-04 16:38:06
○ 2026-07-13 07:14:12
○ 2026-07-23 12:40:58
●A83.136.17.1452026-07-13 → 2026-07-23 · 3 obs
● 2026-07-13 07:14:12
● 2026-07-23 12:40:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| eu | si.dns.eu, x.dns.eu, be.dns.eu, y.dns.eu... | - |
| coursemanager.eu | ns0.transip.net, ns1.transip.nl, ns2.transip.eu | 2 records |
✅ Authoritative Response
Server:195.135.195.195
NS records: ns0.transip.net, ns1.transip.nl, ns2.transip.eu
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 952ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 83.136.17.145 |
| NS | 3 | ns1.transip.nl, ns0.transip.net... |
| MX | 4 | relay3.nedcomp.nl (pri: 300), mail5.nedcomp.nl (pri: 50)... |
| SOA | 1 | ns0.transip.net hostmaster.transip.nl |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns2.transip.eu, ns2.transip.eu)
Analysis
IP Addresses
coursemanager.eu resolves to one IP address: 83.136.17.145.
lelyt4c.com, ftp2.weerdenburg.nl, konieckwotmlecznych.com and two other host names share IP numbers with coursemanager.eu.
Name Servers
DNS for coursemanager.eu is handled by three authoritative name servers: ns2.transip.eu, ns0.transip.net and ns1.transip.nl.
coursemanager.eu has at least partial name server overlap with other domains, such as giorgi.nl, emendo-it.nl, norex.nl and two others.
Three hostnames — ns2.transip.eu, ns0.transip.net and ns1.transip.nl — each have two IP addresses: ns2.transip.eu has 37.97.199.195 and 2a01:7c8:f:c1f::195, ns0.transip.net has 195.135.195.195 and 2a01:7c8:dddd:195::195, and ns1.transip.nl has 195.8.195.195 and 2a01:7c8:7000:195::195.
Mail Servers
Four mail servers handle email for coursemanager.eu: mail5.nedcomp.nl, relay1.nedcomp.nl, relay2.nedcomp.nl and relay3.nedcomp.nl.
coursemanager.eu has at least partial mail server overlap with other domains such as businessgameshop.eu, pchooftstraat.tv, exsion.eu and two more.
The mail servers mail6.nedcomp.nl, mail4.nedcomp.nl, mail.exql.nl and mail.bedrijfssimulaties.nl are commonly seen alongside these mail servers.
Each of relay1.nedcomp.nl, relay2.nedcomp.nl and relay3.nedcomp.nl has one IP address, which is 193.30.6.98.
The host names relay1.nedcomp.nl, relay2.nedcomp.nl and relay3.nedcomp.nl each resolve to 193.30.6.98.