coursepath.co - dns.ninja

coursepath.co

DNSSEC⚠️ Not signed
A37.46.140.12🇳🇱 CYSO-AS37.46.136.0/21 Cyso Hosting B.V. Block
PTRredirect2-sqr.cyso.net
NSns1.sqr.nl
A2a01:518:ffff:4020::53:3🇳🇱 CYSO-AS2a01:518::/32 Cyso Hosting B.V. IPv6 Block
PTRns1.dns.sqr.cyso.net
A109.235.73.236🇳🇱 CYSO-AS109.235.72.0/21 Cyso Hosting B.V. Block
PTRns1.dns.sqr.cyso.net
NSns2.sqr.domains
A2a01:518:ffff:4020::53:4🇳🇱 CYSO-AS2a01:518::/32 Cyso Hosting B.V. IPv6 Block
PTRns2.dns.sqr.cyso.net
A93.94.227.166🇳🇱 CYSO-AS93.94.224.0/21 Cyso Hosting B.V. Block
PTRns2.dns.sqr.cyso.net
NSns3.sqr.cloud ⚠️ Not in parent delegation
A2a03:6000:1002:1002::54🇳🇱 HIGH5-NL2a03:6000::/29 High5! B.V.
PTRns3.sqr.cloud
A46.23.87.195🇳🇱 HIGH5-NL46.23.80.0/20 High5! B.V.
PTRns3.sqr.cloud
MXfilter.cyso.net
A93.94.228.132🇳🇱 CYSO-AS93.94.224.0/21 Cyso Hosting B.V. Block
PTRfilter1.antispam-login.net
A93.94.228.133🇳🇱 CYSO-AS93.94.224.0/21 Cyso Hosting B.V. Block
PTRfilter2.antispam-login.net
MXmx1.cyso.net(20)
A85.158.200.78🇳🇱 CYSO-AS85.158.200.0/21 Cyso Hosting B.V. Block
PTRmx1.cyso.net
MXmx2.cyso.net(30)
A85.158.202.246🇳🇱 CYSO-AS85.158.200.0/21 Cyso Hosting B.V. Block
PTRfree.cyso.net
TXTv=spf1 include:spf.cyso.nl -all
SOAns1.sqr.nlhostmaster@coursepath.co 2019-01-07 #0

co

DNSSEC🔒 Signed (DS record present)
NSns0.centralnic.net
NSa.registrydns.co
NSb.registrydns.co
NSc.registrydns.co
NSd.registrydns.co
SOAns0.centralnic.nethostmaster@centralnic.net serial=1759707675

Same first word

Similar names

DNS History

11 records (7 active, 4 former)

20162017201820192020202120222023202420252026NSns1.sqr.nlns2.sqr.domainsns3.sqr.cloudns1.cyso.nlns2.cyso.euns3.cyso.netMXfilter.cyso.netmx1.cyso.netmx2.cyso.netA37.46.140.12109.235.75.54
NSns1.cyso.nl2015-06-26 → 2017-02-14 · 4 obs
● 2015-06-26 08:27:58
● 2017-02-14 22:53:34
○ 2026-02-20 09:33:24
○ 2026-07-17 00:07:22
NSns1.sqr.nl2026-02-20 → 2026-07-17 · 3 obs
○ 2017-02-14 22:53:34
● 2026-02-20 09:33:24
● 2026-07-17 00:07:22
NSns2.cyso.eu2015-06-26 → 2017-02-14 · 4 obs
● 2015-06-26 08:27:58
● 2017-02-14 22:53:34
○ 2026-02-20 09:33:24
○ 2026-07-17 00:07:22
NSns2.sqr.domains2026-02-20 → 2026-07-17 · 3 obs
○ 2017-02-14 22:53:34
● 2026-02-20 09:33:24
● 2026-07-17 00:07:22
NSns3.cyso.net2015-06-26 → 2017-02-14 · 4 obs
● 2015-06-26 08:27:58
● 2017-02-14 22:53:34
○ 2026-02-20 09:33:24
○ 2026-07-17 00:07:22
NSns3.sqr.cloud2026-02-20 → 2026-07-17 · 3 obs
○ 2017-02-14 22:53:34
● 2026-02-20 09:33:24
● 2026-07-17 00:07:22
MXfilter.cyso.net2015-06-26 → 2026-07-17 · 2 obs
● 2015-06-26 08:27:58
● 2026-07-17 00:07:22
MXmx1.cyso.net2015-06-26 → 2026-07-17 · 2 obs
● 2015-06-26 08:27:58
● 2026-07-17 00:07:22
MXmx2.cyso.net2015-06-26 → 2026-07-17 · 2 obs
● 2015-06-26 08:27:58
● 2026-07-17 00:07:22
A109.235.75.542015-06-26 → 2017-02-14 · 4 obs
● 2015-06-26 08:27:58
● 2017-02-14 22:53:34
○ 2026-02-20 09:33:24
○ 2026-07-17 00:07:22
A37.46.140.122026-02-20 → 2026-07-17 · 3 obs
○ 2017-02-14 22:53:34
● 2026-02-20 09:33:24
● 2026-07-17 00:07:22

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coa.registrydns.co, c.registrydns.co, b.registrydns.co, d.registrydns.co8 records
coursepath.cons1.sqr.nl, ns2.sqr.domains-

✅ Authoritative Response

Server:109.235.73.236

NS records: ns1.sqr.nl, ns2.sqr.domains

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for coursepath.co (unsigned zone)

⏱️ Timing

Total: 1215ms | Queries: -

📄 Records

TypeCountSample Data
A137.46.140.12
NS3ns3.sqr.cloud, ns2.sqr.domains...
MX3mx2.cyso.net (pri: 30), filter.cyso.net (pri: 10)...
TXT1v=spf1 include:spf.cyso.nl -all
SOA1ns1.sqr.nl hostmaster.coursepath.co

📌 Glue Records Collected

Total: 8

In-bailiwick: 8 (a.registrydns.co, b.registrydns.co, c.registrydns.co...)

Analysis

IP Addresses

coursepath.co points to a single IP number: 37.46.140.12.

Additional host names — bottlemania.nl, elize-energy.nl, cyso.de and two others — share IP numbers with coursepath.co.

Name Servers

The authoritative name servers for coursepath.co are ns3.sqr.cloud, ns2.sqr.domains and ns1.sqr.nl — three in total.

At least some of coursepath.co's name servers are shared with other domains, for example matboard.net, zorgstandaarddiabetes.nl, vet4vet.nl and two more.

It is common for these name servers to be used in conjunction with the name servers ns1.hosting.nl, ns2.hosting.nl and ns3.hosting.nl.

ns3.sqr.cloud, ns2.sqr.domains and ns1.sqr.nl all resolve to exactly two IP numbers apiece: ns3.sqr.cloud46.23.87.195 and 2a03:6000:1002:1002::54; ns2.sqr.domains93.94.227.166 and 2a01:518:ffff:4020::53:4; ns1.sqr.nl109.235.73.236 and 2a01:518:ffff:4020::53:3.

Mail Servers

The MX records for coursepath.co list three mail servers: filter.cyso.net, mx1.cyso.net and mx2.cyso.net.

coursepath.co shares mail servers — at least in part — with other domains, including vpn-login.nl, ratingtools.com, vangoghsstudiopractice.com and two others.

It is common to see these mail servers combined with the mail servers mail.cyso.nl, mail.eriksgroup.com and edge.exchange-login.net.

Host names with two IP numbers:

filter.cyso.net directs traffic to 93.94.228.132 and 93.94.228.133.

Host names pointing to a single IP address:

mx1.cyso.net has the IP address 85.158.200.78.

mx2.cyso.net has the IP address 85.158.202.246.