jackkoster.nl - robtex.com

`jackkoster.nl`

	DNSSEC	⚠️ Not signed
	A	94.176.99.164^{🇧🇪 COMBELL-AS94.176.98.0/23 Combell Network}
			PTR	`shared-003.bys.srv.nucleus-ops.net`
	NS	`ns3.byshosting.nl` ⭐
			A	`::ffff:5eb0:63a4`
			A	94.176.99.164^{🇧🇪 COMBELL-AS94.176.98.0/23 Combell Network}
				PTR	`shared-003.bys.srv.nucleus-ops.net`
	NS	`ns-008.byshosting.nl` ⚠️ Not in parent delegation
			A	31.193.181.49^{🇧🇪 COMBELL-AS31.193.176.0/21 Combell Network}
				PTR	`ns-008.bys.srv.nucleus-ops.net`
	NS	`ns4.byshosting.com`
			A	fe80::250:56ff:feb6:f62b
			A	31.193.181.49^{🇧🇪 COMBELL-AS31.193.176.0/21 Combell Network}
				PTR	`ns-008.bys.srv.nucleus-ops.net`
	NS	`ns5.byshosting.eu`
			A	`::ffff:55d6:cd6b`
			A	85.214.205.107^{🇩🇪 STRATO85.214.0.0/15 AG}
	NS	`shared03.byshosting.nl` ⚠️ Not in parent delegation
			A	`::ffff:5eb0:63a4`
			A	94.176.99.164^{🇧🇪 COMBELL-AS94.176.98.0/23 Combell Network}
				PTR	`shared-003.bys.srv.nucleus-ops.net`
	MX	`jackkoster-nl.mail.protection.outlook.com` ⭐
			A	2a01:111:f403:ca04::6^{🇮🇪 Microsoft2a01:111:f000::/36}
				PTR	`mail-db4pr02cu00406.inbound.protection.outlook.com`
			A	2a01:111:f403:ca09::^{🇳🇱 Microsoft2a01:111:f000::/36}
				PTR	`mail-am3pr04cu00500.inbound.protection.outlook.com`
			A	2a01:111:f403:ca09::6^{🇳🇱 Microsoft2a01:111:f000::/36}
				PTR	`mail-am4pr0401cu00106.inbound.protection.outlook.com`
			A	2a01:111:f403:ca09::7^{🇳🇱 Microsoft2a01:111:f000::/36}
				PTR	`mail-am9pr04cu00107.inbound.protection.outlook.com`
			A	52.101.68.15^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
				PTR	`mail-db6pr03cu00107.inbound.protection.outlook.com`
			A	52.101.68.36^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
				PTR	`mail-db5pr02cu00104.inbound.protection.outlook.com`
			A	52.101.73.26^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
				PTR	`mail-as9pr05cu01302.inbound.protection.outlook.com`
			A	52.101.73.28^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
				PTR	`mail-am7pr05cu00204.inbound.protection.outlook.com`
	TXT	`v=spf1 mx a ip4:195.14.1.101 ip4: ip4:86.92.85.204 include:spf.protection.out...`
	TXT	`MS=ms12226741`
	SOA	`ns3.byshosting.nl`info@jackkoster.nl 2026-02-24 #1

`nl`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns1.dns.nl` ⭐
	NS	`ns3.dns.nl`
	NS	`ns4.dns.nl`
	TXT	`nl zone update: 2026-04-23 19:00:01 +0000 (EPOCH 1776970801)`
	SOA	`ns1.dns.nl`dns@sidn.nl 2026-04-23 #38

Same first word

jackkoster.nl

Similar names

jokerstack.digital

DNS History

10 records (7 active, 3 former)

●NSns-008.byshosting.nl2026-04-10 → 2026-04-23 · 3 obs

○ 2015-08-17 19:08:54
● 2026-04-10 11:29:34
● 2026-04-23 19:39:42

●NSns3.byshosting.nl2015-08-17 → 2026-04-23 · 2 obs

● 2015-08-17 19:08:54
● 2026-04-23 19:39:42

●NSns4.byshosting.com2015-08-17 → 2026-04-23 · 2 obs

● 2015-08-17 19:08:54
● 2026-04-23 19:39:42

●NSns5.byshosting.eu2015-08-17 → 2026-04-23 · 2 obs

● 2015-08-17 19:08:54
● 2026-04-23 19:39:42

●NSshared03.byshosting.nl2026-04-10 → 2026-04-23 · 3 obs

○ 2015-08-17 19:08:54
● 2026-04-10 11:29:34
● 2026-04-23 19:39:42

●MXjackkoster-nl.mail.protection.outlook.com2020-04-13 → 2026-04-23 · 3 obs

○ 2017-03-19 17:28:28
● 2020-04-13 15:06:42
● 2026-04-23 19:39:42

○MXmx1.byshosting.nl2015-08-17 → 2017-03-19 · 4 obs

● 2015-08-17 19:08:54
● 2017-03-19 17:28:28
○ 2020-04-13 15:06:42
○ 2026-04-23 19:39:42

○MXmx4.byshosting.nl2015-08-17 → 2017-03-19 · 4 obs

● 2015-08-17 19:08:54
● 2017-03-19 17:28:28
○ 2020-04-13 15:06:42
○ 2026-04-23 19:39:42

○A195.14.1.1502015-08-17 → 2017-03-19 · 4 obs

● 2015-08-17 19:08:54
● 2017-03-19 17:28:28
○ 2020-04-13 15:06:42
○ 2026-04-23 19:39:42

●A94.176.99.1642020-04-13 → 2026-04-23 · 3 obs

○ 2017-03-19 17:28:28
● 2020-04-13 15:06:42
● 2026-04-23 19:39:42

🔍 DNS Trace

Analysis

IP Addresses

jackkoster.nl points to a single IP address: 94.176.99.164.

Other host names such as bouwknegt.nl, dcf-valuation.eu, mijnheer.nl, mail.discvision.net and mail.visualresidual.eu share IPs with jackkoster.nl.

Name Servers

jackkoster.nl is delegated to five name servers: ns4.byshosting.com, ns5.byshosting.eu, ns-008.byshosting.nl, ns3.byshosting.nl and shared03.byshosting.nl.

jackkoster.nl at least partially shares name servers with other domains, for example stickylab.nl, tourserver.nl, ownrisksolvencyassessment.com, icaap-toolkit.eu and ledlightsolution.eu.

Host names with two IP numbers:

ns4.byshosting.com points to fe80::250:56ff:feb6:f62b and 31.193.181.49

ns5.byshosting.eu points to ::ffff:55d6:cd6b and 85.214.205.107

ns3.byshosting.nl points to ::ffff:5eb0:63a4 and 94.176.99.164

shared03.byshosting.nl points to ::ffff:5eb0:63a4 and 94.176.99.164

Host names with one IP number:

ns-008.byshosting.nl points to 31.193.181.49

Names that point to 31.193.181.49: ns4.byshosting.com and ns-008.byshosting.nl

Names that point to ::ffff:5eb0:63a4: ns3.byshosting.nl and shared03.byshosting.nl

Names that point to 94.176.99.164: ns3.byshosting.nl and shared03.byshosting.nl

Mail Servers

The jackkoster-nl.mail.protection.outlook.com mail server handles jackkoster.nl.

jackkoster-nl.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:ca04::6, 2a01:111:f403:ca09::, 2a01:111:f403:ca09::6, 2a01:111:f403:ca09::7, 52.101.68.15, 52.101.68.36, 52.101.73.26 and 52.101.73.28.