cursusonline.com - robtex.com

cursusonline.com

DNSSEC🔒 Signed (DS record present)
A2a03:5180:7:2:28b:5c9:2702:1🇷🇴 VOXILITY2a03:5180:7::/48 Voxility
PTRh17.mijn.host
A5.254.117.208🇳🇱 VOXILITY5.254.117.0/24 Voxility
NSns1.mijn.host ⭐
A2a03:5180:7:2:13af:27fb:f741:1🇷🇴 VOXILITY2a03:5180:7::/48 Voxility
PTRns1.mijn.host
A5.254.117.200🇳🇱 VOXILITY5.254.117.0/24 Voxility
PTRns1.mijn.host
NSns2.mijn.host
A2a11:4881:1:4881::1mijnhost2a11:4881::/32
A217.180.14.14
NSns3.mijn.host
A2a02:348:5e6:1::b6a0🇳🇱 XL-AS2a02:348:5e6::/48 XL Internet Services BV
PTRip-2a02-0348-05e6-0001-0000-0000-0000-b6a0.ams.resource.cloud
A83.96.241.95🇳🇱 XL-AS83.96.240.0/22 XL Network OS2
PTRns3.mijn.host
MXh17.mijn.host ⭐
A2a03:5180:7:2:28b:5c9:2702:1🇷🇴 VOXILITY2a03:5180:7::/48 Voxility
PTRh17.mijn.host
A5.254.117.208🇳🇱 VOXILITY5.254.117.0/24 Voxility
PTRh17.mijn.host
TXTv=spf1 include:spf.mijn.host ~all
SOAns1.mijn.hosthostmaster@cursusonline.com serial=1686817568

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1776146777

Previously MX for

cursusonline.com

Same first word

cursusonline.com

Similar names

onlinecursus.com
corlununsesi.com
onlinecursus.nl

DNS History

12 records (6 active, 6 former)

20162017201820192020202120222023202420252026NSns1.mijn.hostns2.mijn.hostns3.mijn.hostns1.sitebytes.nlns2.sitebytes.nlns3.sitebytes.nlMXh17.mijn.hostcursusonline.comA2a03:5180:7:2:28b:5c9:2702:15.254.117.2082a03:8b80:a:123::162.197.128.123
●NSns1.mijn.host2026-04-11 → 2026-04-14 · 3 obs
○ 2020-02-10 10:44:56
● 2026-04-11 02:57:36
● 2026-04-14 06:20:36
○NSns1.sitebytes.nl2015-07-13 → 2020-02-10 · 4 obs
● 2015-07-13 22:07:58
● 2020-02-10 10:44:56
○ 2026-04-11 02:57:36
○ 2026-04-14 06:20:36
●NSns2.mijn.host2026-04-11 → 2026-04-14 · 3 obs
○ 2020-02-10 10:44:56
● 2026-04-11 02:57:36
● 2026-04-14 06:20:36
○NSns2.sitebytes.nl2015-07-13 → 2020-02-10 · 4 obs
● 2015-07-13 22:07:58
● 2020-02-10 10:44:56
○ 2026-04-11 02:57:36
○ 2026-04-14 06:20:36
●NSns3.mijn.host2026-04-11 → 2026-04-14 · 3 obs
○ 2020-02-10 10:44:56
● 2026-04-11 02:57:36
● 2026-04-14 06:20:36
○NSns3.sitebytes.nl2015-07-13 → 2020-02-10 · 4 obs
● 2015-07-13 22:07:58
● 2020-02-10 10:44:56
○ 2026-04-11 02:57:36
○ 2026-04-14 06:20:36
○MXcursusonline.com2015-07-13 → 2020-02-10 · 4 obs
● 2015-07-13 22:07:58
● 2020-02-10 10:44:56
○ 2026-04-11 02:57:36
○ 2026-04-14 06:20:36
●MXh17.mijn.host2026-04-11 → 2026-04-14 · 3 obs
○ 2020-02-10 10:44:56
● 2026-04-11 02:57:36
● 2026-04-14 06:20:36
●A2a03:5180:7:2:28b:5c9:2702:12026-04-11 → 2026-04-14 · 3 obs
○ 2020-02-10 10:44:56
● 2026-04-11 02:57:36
● 2026-04-14 06:20:36
○A2a03:8b80:a:123::12015-07-13 → 2020-02-10 · 4 obs
● 2015-07-13 22:07:58
● 2020-02-10 10:44:56
○ 2026-04-11 02:57:36
○ 2026-04-14 06:20:36
●A5.254.117.2082026-04-11 → 2026-04-14 · 3 obs
○ 2020-02-10 10:44:56
● 2026-04-11 02:57:36
● 2026-04-14 06:20:36
○A62.197.128.1232015-07-13 → 2020-02-10 · 4 obs
● 2015-07-13 22:07:58
● 2020-02-10 10:44:56
○ 2026-04-11 02:57:36
○ 2026-04-14 06:20:36

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comh.gtld-servers.net, b.gtld-servers.net, k.gtld-servers.net, d.gtld-servers.net...-
cursusonline.comns1.mijn.host, ns2.mijn.host, ns3.mijn.host-

✅ Authoritative Response

Server:83.96.241.95

NS records: ns1.mijn.host, ns2.mijn.host, ns3.mijn.host

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1091ms | Queries: -

📄 Records

TypeCountSample Data
A15.254.117.208
AAAA12a03:5180:7:2:28b:5c9:2702:1
NS3ns3.mijn.host, ns2.mijn.host...
MX1h17.mijn.host (pri: 10)
TXT1v=spf1 include:spf.mijn.host ~all
SOA1ns1.mijn.host hostmaster.cursusonline.co

Analysis

IP Addresses

cursusonline.com has two IP numbers: 2a03:5180:7:2:28b:5c9:2702:1 and 5.254.117.208.

Other host names, for instance storavox.com, ns2.duolis.nl, mail.jboor.nl, xact.be and lvdesign.nl share IP numbers with cursusonline.com.

Name Servers

cursusonline.com is delegated to three name servers: ns1.mijn.host, ns2.mijn.host and ns3.mijn.host.

cursusonline.com at least partially shares name servers with other domains, including esbs.nl, communitysensor.nl, ardibrata.nl, close2home.nl and poppictures.nl.

These name servers are commonly used with ns1.webhost.company, ns2.webhost.company and ns3.webhost.company.

Host names with two IP numbers:

ns1.mijn.host: 2a03:5180:7:2:13af:27fb:f741:1 and 5.254.117.200

ns2.mijn.host: 2a11:4881:1:4881::1 and 217.180.14.14

ns3.mijn.host: 2a02:348:5e6:1::b6a0 and 83.96.241.95

Mail Servers

A single mail server handles cursusonline.com, h17.mijn.host.

cursusonline.com shares the same mail server setup as other domains, for instance bananamour.nl, projectsaboteur.com, kleurplaatkampioen.be, tikke.be and saotn.nl.

The host name h17.mijn.host resolves to two IP numbers: 2a03:5180:7:2:28b:5c9:2702:1 and 5.254.117.208.