studytrack.nl - dns.ninja

`studytrack.nl`

DNSSEC	🔒 Signed (DS record present)
NS	`ns0.leaseweb.com` ⭐
		A	2607:f5b5::53^{🇺🇸 LEASEWEB-NL-AMS-012607:f5b5::/48 Leaseweb USA, Inc.}
			PTR	`ns0.leaseweb.com`
		A	23.19.196.53^{🇺🇸 LEASEWEB-NL-AMS-0123.19.196.0/24 Leaseweb USA, Inc.}
			PTR	`ns0.leaseweb.com`
NS	`ns1.leaseweb.com`
		A	2607:f5b5:1::53^{🇺🇸 LEASEWEB-NL-AMS-012607:f5b5:1::/48 Leaseweb USA, Inc.}
			PTR	`ns1.leaseweb.com`
		A	23.19.197.53^{🇺🇸 LEASEWEB-NL-AMS-0123.19.197.0/24 Leaseweb USA, Inc.}
			PTR	`ns1.leaseweb.com`
MX	`de-smtp-inbound-1.mimecast.com` ⭐
		A	194.104.108.22^{🇩🇪 MIMECAST-DE194.104.108.0/23 -NET-1}
			PTR	`de-smtp-inbound-1.mimecast.com`
			PTR	`de-smtp-inbound-2.mimecast.com`
		A	194.104.110.22^{🇩🇪 MIMECAST-DE194.104.110.0/23 -NET-4}
			PTR	`de-smtp-inbound-1.mimecast.com`
			PTR	`de-smtp-inbound-2.mimecast.com`
MX	`de-smtp-inbound-2.mimecast.com` ⭐
		A	194.104.108.22^{🇩🇪 MIMECAST-DE194.104.108.0/23 -NET-1}
			PTR	`de-smtp-inbound-1.mimecast.com`
			PTR	`de-smtp-inbound-2.mimecast.com`
		A	194.104.110.22^{🇩🇪 MIMECAST-DE194.104.110.0/23 -NET-4}
			PTR	`de-smtp-inbound-1.mimecast.com`
			PTR	`de-smtp-inbound-2.mimecast.com`
TXT	`MS=ms50363562`
TXT	`v=spf1 include:de._netblocks.mimecast.com include:spf.protection.outlook.com ...`
TXT	`0ed1fe018a9b78f06a4cca4ee6b2c63fcd56239c76`
SOA	`ns0.leaseweb.com`postmaster@leaseweb.com 2024-07-30 #1

`nl`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns1.dns.nl` ⭐
	NS	`ns3.dns.nl`
	NS	`ns4.dns.nl`
	TXT	`nl zone update: 2026-08-06 05:00:02 +0000 (EPOCH 1785992402)`
	SOA	`ns1.dns.nl`dns@sidn.nl 2026-08-06 #10

Same first word

studytrack.nl

Similar names

dustytrack.com

trackstudy.com

DNS History

13 records (4 active, 9 former)

●NSns0.leaseweb.com2026-02-22 → 2026-08-06 · 3 obs

○ 2017-02-14 16:30:56
● 2026-02-22 10:13:36
● 2026-08-06 05:26:10

●NSns1.leaseweb.com2026-02-22 → 2026-08-06 · 3 obs

○ 2017-02-14 16:30:56
● 2026-02-22 10:13:36
● 2026-08-06 05:26:10

○NSns1.oxilion.nl2015-07-25 → 2017-02-14 · 4 obs

● 2015-07-25 20:05:32
● 2017-02-14 16:30:56
○ 2026-02-22 10:13:36
○ 2026-08-06 05:26:10

○NSns2.oxilion.nl2015-07-25 → 2017-02-14 · 4 obs

● 2015-07-25 20:05:32
● 2017-02-14 16:30:56
○ 2026-02-22 10:13:36
○ 2026-08-06 05:26:10

○NSns3.oxilion.net2015-07-25 → 2017-02-14 · 4 obs

● 2015-07-25 20:05:32
● 2017-02-14 16:30:56
○ 2026-02-22 10:13:36
○ 2026-08-06 05:26:10

○MXalt1.aspmx.l.google.com2015-07-25 → 2017-02-14 · 4 obs

● 2015-07-25 20:05:32
● 2017-02-14 16:30:56
○ 2026-02-22 10:13:36
○ 2026-08-06 05:26:10

○MXalt2.aspmx.l.google.com2015-07-25 → 2017-02-14 · 4 obs

● 2015-07-25 20:05:32
● 2017-02-14 16:30:56
○ 2026-02-22 10:13:36
○ 2026-08-06 05:26:10

○MXalt3.aspmx.l.google.com2015-07-25 → 2017-02-14 · 4 obs

● 2015-07-25 20:05:32
● 2017-02-14 16:30:56
○ 2026-02-22 10:13:36
○ 2026-08-06 05:26:10

○MXalt4.aspmx.l.google.com2015-07-25 → 2017-02-14 · 4 obs

● 2015-07-25 20:05:32
● 2017-02-14 16:30:56
○ 2026-02-22 10:13:36
○ 2026-08-06 05:26:10

○MXaspmx.l.google.com2015-07-25 → 2017-02-14 · 4 obs

● 2015-07-25 20:05:32
● 2017-02-14 16:30:56
○ 2026-02-22 10:13:36
○ 2026-08-06 05:26:10

●MXde-smtp-inbound-1.mimecast.com2026-02-22 → 2026-08-06 · 3 obs

○ 2017-02-14 16:30:56
● 2026-02-22 10:13:36
● 2026-08-06 05:26:10

●MXde-smtp-inbound-2.mimecast.com2026-02-22 → 2026-08-06 · 3 obs

○ 2017-02-14 16:30:56
● 2026-02-22 10:13:36
● 2026-08-06 05:26:10

○A5.172.44.162015-07-25 → 2017-02-14 · 4 obs

● 2015-07-25 20:05:32
● 2017-02-14 16:30:56
○ 2026-02-22 10:13:36
○ 2026-08-06 05:26:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
nl	ns3.dns.nl, ns1.dns.nl, ns4.dns.nl	-
studytrack.nl	ns0.leaseweb.com, ns1.leaseweb.com	-

✅ Authoritative Response

Server:23.19.196.53

NS records: ns0.leaseweb.com, ns1.leaseweb.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1549ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`ns0.leaseweb.com, ns1.leaseweb.com`
MX	2	`de-smtp-inbound-2.mimecast.com (pri: 10), de-smtp-inbound-1.mimecast.com (pri: 10)`
TXT	3	`0ed1fe018a9b78f06a4cca4ee6b2c63fcd56239c, v=spf1 include:de._netblocks.mimecast.co...`
SOA	1	`ns0.leaseweb.com postmaster.leaseweb.com`

Analysis

Name Servers

studytrack.nl is served by two delegated name servers, ns0.leaseweb.com and ns1.leaseweb.com.

studytrack.nl has the same name server delegation as a number of other domains, such as leasewebcdn.com, 152.15.64.in-addr.arpa, 38.142.174.in-addr.arpa and two more.

There is at least partial name server overlap between studytrack.nl and other domains — 15.17.85.in-addr.arpa, openskies.nl, 28.64.64.in-addr.arpa and two more among them.

These name servers regularly appear alongside ns4.leaseweb.net, ns5.leaseweb.nl, ns1.leaseweb.nl and 7 other name servers in NS record sets.

Each of the two host names carries two IP addresses: ns0.leaseweb.com points to 23.19.196.53 and 2607:f5b5::53, and ns1.leaseweb.com points to 23.19.197.53 and 2607:f5b5:1::53.

Mail Servers

The MX records for studytrack.nl point to two mail servers: de-smtp-inbound-1.mimecast.com and de-smtp-inbound-2.mimecast.com.

studytrack.nl has the same mail server arrangement as a number of other domains, for example aircraftcabinsystems.com, dena.be, go4less.ie and two more.

studytrack.nl shares at least some of its mail servers with other domains — for example qlick.eu, sgkcwgpsdfs01.astrazeneca.net, _aaplcache3._tcp.astrazeneca.net and two more.

These mail servers are routinely seen in conjunction with the mail servers mail124.messagelabs.com and mail79.messagelabs.com.

The host names de-smtp-inbound-1.mimecast.com and de-smtp-inbound-2.mimecast.com both direct to 194.104.108.22 and 194.104.110.22.

These two host names — de-smtp-inbound-1.mimecast.com and de-smtp-inbound-2.mimecast.com — each point to 194.104.108.22 IP addresses.

These two host names — de-smtp-inbound-1.mimecast.com and de-smtp-inbound-2.mimecast.com — each point to 194.104.110.22 IP addresses.