electronic-chart.com - dns.ninja

`electronic-chart.com`

DNSSEC	⚠️ Not signed
A	195.169.250.74^{🇳🇱 SURFNET-NL195.169.0.0/16 SURFnet CIDR Block VI}
		PTR	`electronic-chart.com`
		PTR	`smartmindshift.com`
		PTR	`stc-maritimesimulation.com`
		PTR	`1s4iwt.eu`
		PTR	`project-teams.eu`
		PTR	`greentechnologycampus.nl`
		PTR	`kansenvoorwest-samensterk.nl`
		PTR	`maasrace.nl`
		PTR	`mbo-stc.nl`
		PTR	`plantofthefuture.nl`
		PTR	`rotterdammainportinstitute.nl`
		PTR	`scheepvaartentransportcollege.nl`
		PTR	`smartmindshift.nl`
		PTR	`stc-eduport.nl`
		PTR	`stc-offshoreacademy.nl`
		PTR	`stc-r.nl`
		PTR	`vmbo-stc.nl`
		PTR	`www.electronic-chart.com`
		PTR	`www.smartmindshift.com`
		PTR	`www.stc-maritimesimulation.com`
		PTR	`www.1s4iwt.eu`
		PTR	`www.project-teams.eu`
		PTR	`www.prominent-iwt.eu`
		PTR	`www.greentechnologycampus.nl`
		PTR	`www.kansenvoorwest-samensterk.nl`
		PTR	`www.maasrace.nl`
		PTR	`opendag.mbo-stc.nl`
		PTR	`www.mbo-stc.nl`
		PTR	`www.plantofthefuture.nl`
		PTR	`www.rotterdammainportinstitute.nl`
		PTR	`www.scheepvaartentransportcollege.nl`
		PTR	`www.smartmindshift.nl`
		PTR	`www.stc-eduport.nl`
		PTR	`test.stc-grenzeloos.nl`
		PTR	`abinitio.stc-group.nl`
		PTR	`inschrijven.stc-group.nl`
		PTR	`intern.stc-group.nl`
		PTR	`soap.stc-group.nl`
		PTR	`www.stc-offshoreacademy.nl`
		PTR	`havenevenement.stc-r.nl`
		PTR	`library.stc-r.nl`
		PTR	`rocstar.stc-r.nl`
		PTR	`smartvision.stc-r.nl`
		PTR	`soap.stc-r.nl`
		PTR	`www.stc-r.nl`
		PTR	`rocstar.stc.nl`
		PTR	`smartvision.stc.nl`
		PTR	`www.vmbo-stc.nl`
NS	`stcdmz31.stc-r.nl` ⭐
NS	`ns2.kpn.net` ⚠️ Not in zone NS records
		A	2a02:a47f:ac:1::253^{🇳🇱 KPN2a02:a400::/25 B.V.}
			PTR	`ns2.kpn.net`
		A	194.151.228.58^{🇩🇪 KPN194.151.224.0/19 B.V.}
			PTR	`ns2.kpn.net`
NS	`ns2.stc-r.nl`
		A	195.169.250.66^{🇳🇱 SURFNET-NL195.169.0.0/16 SURFnet CIDR Block VI}
			PTR	`ns1.1s4iwt.eu`
			PTR	`ns1.greentechnologycampus.nl`
			PTR	`ns1.stc-loopplank.nl`
			PTR	`ns1.welkombijstc.nl`
NS	`ns4.kpn.net` ⚠️ Not in parent delegation
		A	2a02:a47f:ac:1::453^{🇳🇱 KPN2a02:a400::/25 B.V.}
			PTR	`ns4.kpn.net`
		A	194.151.228.29^{🇩🇪 KPN194.151.224.0/19 B.V.}
			PTR	`ns4.kpn.net`
MX	`stcpublishing-nl0i.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db3pr0202cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::d^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-as9pr05cu01305.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::e^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am7pr05cu00206.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::f^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am7pr05cu00307.inbound.protection.outlook.com`
		A	52.101.68.5^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-du2pr03cu00105.inbound.protection.outlook.com`
		A	52.101.68.16^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db4pr02cu00400.inbound.protection.outlook.com`
		A	52.101.68.25^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db8pr02cu00101.inbound.protection.outlook.com`
		A	52.101.73.15^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am9pr04cu00107.inbound.protection.outlook.com`
MX	`smtp1.stc-r.nl`⁽¹⁰⁾
		A	195.169.250.76^{🇳🇱 SURFNET-NL195.169.0.0/16 SURFnet CIDR Block VI}
			PTR	`smtp1.stc-r.nl`
MX	`smtp2.stc-r.nl`⁽¹⁰⁾
		A	195.169.250.77^{🇳🇱 SURFNET-NL195.169.0.0/16 SURFnet CIDR Block VI}
			PTR	`smtp2.stc-r.nl`
			PTR	`stcdmz_31.stc-r.nl`
MX	`mailbackup1.kpn.net`⁽⁵⁰⁾
		A	213.75.3.47^{🇳🇱 PT213.75.0.0/17 PIADDR}
			PTR	`213-75-3-47.dc.kpn.net`
MX	`mail.stc-r.nl`⁽¹⁰⁰⁾
		A	195.169.251.92^{🇳🇱 SURFNET-NL195.169.0.0/16 SURFnet CIDR Block VI}
			PTR	`mail.1s4iwt.eu`
			PTR	`mail.greentechnologycampus.nl`
			PTR	`mail.stc-r.nl`
			PTR	`mail.welkombijstc.nl`
TXT	`HARICA-t0MPWHzavNI7eK8ZpKW`
TXT	`MS=ms52679858`
TXT	`include:spf.protection.outlook.com`
TXT	`hs2k1svv82cn2yq0ns0zn2ssdlfwqkhy`
TXT	`MS=ms15756980`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
TXT	`MS=ms50517357`
SOA	`stcdmz31.stc-r.nl`hostmaster@stc-r.nl serial=49

`com`

	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.net`nstld@verisign-grs.com serial=1785648612

PTR for

74.250.169.195.in-addr.arpa

Subdomains

www.electronic-chart.com

Same first word

electronic-chart.com

DNS History

19 records (10 active, 9 former)

○NSns1.nxs.nl2015-08-20 → 2015-12-12 · 4 obs

● 2015-08-20 12:27:02
● 2015-12-12 20:42:22
○ 2016-03-13 13:48:42
○ 2026-08-02 06:00:16

○NSns1.openprovider.nl2016-03-13 → 2018-12-09 · 5 obs

○ 2015-12-12 20:42:22
● 2016-03-13 13:48:42
● 2018-12-09 23:54:16
○ 2026-02-28 00:09:40
○ 2026-08-02 06:00:16

●NSns2.kpn.net2026-02-28 → 2026-08-02 · 3 obs

○ 2018-12-09 23:54:16
● 2026-02-28 00:09:40
● 2026-08-02 06:00:16

○NSns2.nxs.nl2015-08-20 → 2015-12-12 · 4 obs

● 2015-08-20 12:27:02
● 2015-12-12 20:42:22
○ 2016-03-13 13:48:42
○ 2026-08-02 06:00:16

○NSns2.openprovider.be2016-03-13 → 2018-12-09 · 5 obs

○ 2015-12-12 20:42:22
● 2016-03-13 13:48:42
● 2018-12-09 23:54:16
○ 2026-02-28 00:09:40
○ 2026-08-02 06:00:16

●NSns2.stc-r.nl2026-02-28 → 2026-08-02 · 3 obs

○ 2018-12-09 23:54:16
● 2026-02-28 00:09:40
● 2026-08-02 06:00:16

○NSns3.nxs.nl2015-08-20 → 2015-12-12 · 4 obs

● 2015-08-20 12:27:02
● 2015-12-12 20:42:22
○ 2016-03-13 13:48:42
○ 2026-08-02 06:00:16

○NSns3.openprovider.eu2016-03-13 → 2018-12-09 · 5 obs

○ 2015-12-12 20:42:22
● 2016-03-13 13:48:42
● 2018-12-09 23:54:16
○ 2026-02-28 00:09:40
○ 2026-08-02 06:00:16

●NSns4.kpn.net2026-02-28 → 2026-08-02 · 3 obs

○ 2018-12-09 23:54:16
● 2026-02-28 00:09:40
● 2026-08-02 06:00:16

●NSstcdmz31.stc-r.nl2026-02-28 → 2026-08-02 · 3 obs

○ 2018-12-09 23:54:16
● 2026-02-28 00:09:40
● 2026-08-02 06:00:16

○MXmail.electronic-chart.com2015-08-20 → 2018-12-09 · 4 obs

● 2015-08-20 12:27:02
● 2018-12-09 23:54:16
○ 2026-02-28 00:09:40
○ 2026-08-02 06:00:16

●MXmail.stc-r.nl2026-02-28 → 2026-08-02 · 3 obs

○ 2018-12-09 23:54:16
● 2026-02-28 00:09:40
● 2026-08-02 06:00:16

●MXmailbackup1.kpn.net2026-02-28 → 2026-08-02 · 3 obs

○ 2018-12-09 23:54:16
● 2026-02-28 00:09:40
● 2026-08-02 06:00:16

●MXsmtp1.stc-r.nl2026-02-28 → 2026-08-02 · 3 obs

○ 2018-12-09 23:54:16
● 2026-02-28 00:09:40
● 2026-08-02 06:00:16

●MXsmtp2.stc-r.nl2026-02-28 → 2026-08-02 · 3 obs

○ 2018-12-09 23:54:16
● 2026-02-28 00:09:40
● 2026-08-02 06:00:16

●MXstcpublishing-nl0i.mail.protection.outlook.com2026-02-28 → 2026-08-02 · 3 obs

○ 2018-12-09 23:54:16
● 2026-02-28 00:09:40
● 2026-08-02 06:00:16

●A195.169.250.742026-02-28 → 2026-08-02 · 3 obs

○ 2018-12-09 23:54:16
● 2026-02-28 00:09:40
● 2026-08-02 06:00:16

○A37.97.167.2282018-12-09 → 2018-12-09 · 4 obs

○ 2017-03-13 02:57:42
● 2018-12-09 23:54:16
○ 2026-02-28 00:09:40
○ 2026-08-02 06:00:16

○A77.245.91.492015-08-20 → 2017-03-13 · 4 obs

● 2015-08-20 12:27:02
● 2017-03-13 02:57:42
○ 2018-12-09 23:54:16
○ 2026-08-02 06:00:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
electronic-chart.com	ns2.kpn.net, ns2.stc-r.nl	-

✅ Authoritative Response

Server:194.151.228.58

NS records: ns2.kpn.net, ns2.stc-r.nl

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for electronic-chart.com (unsigned zone)

⏱️ Timing

Total: 689ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`195.169.250.74`
NS	2	`ns4.kpn.net, ns2.stc-r.nl`
MX	5	`smtp1.stc-r.nl (pri: 10), stcpublishing-nl0i.mail.protection.outlo...`
TXT	7	`HARICA-t0MPWHzavNI7eK8ZpKW, MS=ms52679858...`
SOA	1	`stcdmz31.stc-r.nl hostmaster.stc-r.nl`

Analysis

Hierarchy

www.electronic-chart.com is delegated beneath electronic-chart.com.

IP Addresses

electronic-chart.com resolves to one IP address: 195.169.250.74.

abinitio.stc-group.nl, smartvision.stc.nl, stc-grenzeloos.nl and two other host names share IP numbers with electronic-chart.com.

Name Servers

The authoritative name servers for electronic-chart.com are ns2.kpn.net, ns4.kpn.net, ns2.stc-r.nl and stcdmz31.stc-r.nl.

There is at least partial name server overlap between electronic-chart.com and other domains — pfzw.nl, koopvaardij.nl, pcoe.eu and two more among them.

These name servers regularly appear alongside ns1.cict.info, ns2.cict.info, ns1.kpn.net and 7 other name servers in NS record sets.

Hostnames that resolve to two IP addresses:

ns2.kpn.net has two IP addresses: 194.151.228.58 and 2a02:a47f:ac:1::253.

ns4.kpn.net has two IP addresses: 194.151.228.29 and 2a02:a47f:ac:1::453.

Hosts with just one IP address:

ns2.stc-r.nl directs to 195.169.250.66.

Mail Servers

electronic-chart.com has five mail servers, which are mailbackup1.kpn.net, mail.stc-r.nl, smtp1.stc-r.nl and two others.

electronic-chart.com has at least partial mail server overlap with other domains such as stc-mavo.com, eu-flex.nl, ahrenddirect.nl and two more.

These mail servers are routinely found in combination with the mail servers smtp2.stc-r.nl, mail000001.gen.randstad.com and mail000002.gen.randstad.com.

Hostnames that resolve to 8 IP addresses:

stcpublishing-nl0i.mail.protection.outlook.com has IP addresses 52.101.68.5, 52.101.68.16 and 52.101.68.25, plus 5 other.

Hosts with just one IP address:

mailbackup1.kpn.net directs to 213.75.3.47.

mail.stc-r.nl directs to 195.169.251.92.

smtp1.stc-r.nl directs to 195.169.250.76.

smtp2.stc-r.nl directs to 195.169.250.77.