`coolprofs.nl`

DNSSEC	⚠️ Not signed
A	217.19.237.54^{🇧🇪 COMBELL-AS217.19.224.0/20 COMBELL Network Brussels, Belgium}
		PTR	`217.19.237.54.static.hosted.by.combell.com`
NS	`ns3.european-server.com` ⭐ ⚠️ Not in parent delegation
		A	2a00:1c98::53:1^{🇧🇪 COMBELL-AS2a00:1c98::/32 COMBELL Network}
			PTR	`ns3.combell.net`
		A	83.217.73.172^{🇧🇪 COMBELL-AS83.217.64.0/19 Combell Network}
			PTR	`ns3.combell.net`
NS	`ns1.combell.eu` ⚠️ Not in zone NS records
		A	2a00:1c98:50::50^{🇧🇪 COMBELL-AS2a00:1c98:50::/44}
		A	89.44.166.48^{🇧🇪 COMBELL-AS89.44.166.0/23 Combell Network}
			PTR	`89.44.166.48.static.hosted.by.combell-ops.net`
NS	`ns1.european-server.eu` ⚠️ Not in parent delegation
		A	2a00:1c98:50::50^{🇧🇪 COMBELL-AS2a00:1c98:50::/44}
		A	89.44.166.48^{🇧🇪 COMBELL-AS89.44.166.0/23 Combell Network}
			PTR	`89.44.166.48.static.hosted.by.combell-ops.net`
NS	`ns3.combell.net` ⚠️ Not in zone NS records
		A	2a00:1c98::53:1^{🇧🇪 COMBELL-AS2a00:1c98::/32 COMBELL Network}
			PTR	`ns3.combell.net`
		A	83.217.73.172^{🇧🇪 COMBELL-AS83.217.64.0/19 Combell Network}
			PTR	`ns3.combell.net`
NS	`ns4.combell.net` ⚠️ Not in zone NS records
		A	2001:1598:0:101::3^{🇧🇪 EASYHOST-COLO-AS2001:1598::/32 Easyhost Network}
			PTR	`ns4.combell.net`
		A	86.39.202.67^{🇧🇪 EASYHOST-COLO-AS86.39.128.0/17 Easyhost Network}
			PTR	`ns4.combell.net`
NS	`ns4.european-server.com` ⚠️ Not in parent delegation
		A	2001:1598:0:101::3^{🇧🇪 EASYHOST-COLO-AS2001:1598::/32 Easyhost Network}
			PTR	`ns4.combell.net`
		A	86.39.202.67^{🇧🇪 EASYHOST-COLO-AS86.39.128.0/17 Easyhost Network}
			PTR	`ns4.combell.net`
MX	`coolprofs-com.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:ca04::d^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db6pr03cu00105.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::9^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-as8pr04cu00801.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::20^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-as8pr05cu00400.inbound.protection.outlook.com`
		A	52.101.68.3^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db7pr03cu00403.inbound.protection.outlook.com`
		A	52.101.68.18^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db4pr02cu00302.inbound.protection.outlook.com`
		A	52.101.73.16^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-as2pr05cu00100.inbound.protection.outlook.com`
		A	52.101.73.28^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am7pr05cu00204.inbound.protection.outlook.com`
MX	`mail.coolprofs.com`⁽²⁰⁾
TXT	`v=spf1 ip4:46.22.191.147/32 include:spf.protection.outlook.com include:_spf.i...`
TXT	`MS=ms46511572`
SOA	`ns3.european-server.com`hostmaster@coolprofs.nl serial=1715593653

`nl`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns1.dns.nl` ⭐
	NS	`ns3.dns.nl`
	NS	`ns4.dns.nl`
	TXT	`nl zone update: 2026-07-18 08:30:01 +0000 (EPOCH 1784363401)`
	SOA	`ns1.dns.nl`dns@sidn.nl 2026-07-18 #17

WOT: SAFE (60/100)

Previously MX for

coolprofs.nl

Same first word

coolprofs.com

coolprofs.nl

DNS History

18 records (9 active, 9 former)

○NSns.xs4all.nl2015-08-16 → 2016-09-05 · 4 obs

● 2015-08-16 08:24:06
● 2016-09-05 17:04:00
○ 2018-10-09 03:38:00
○ 2026-07-18 09:11:02

●NSns1.combell.eu2026-06-27 → 2026-07-18 · 3 obs

○ 2018-10-09 03:38:00
● 2026-06-27 12:51:56
● 2026-07-18 09:11:02

●NSns1.european-server.eu2026-06-27 → 2026-07-18 · 3 obs

○ 2018-10-09 03:38:00
● 2026-06-27 12:51:56
● 2026-07-18 09:11:02

○NSns1.wtnet.nl2018-10-09 → 2018-10-09 · 4 obs

○ 2016-09-05 17:04:00
● 2018-10-09 03:38:00
○ 2026-06-27 12:51:56
○ 2026-07-18 09:11:02

○NSns2.intermax.nl2018-10-09 → 2018-10-09 · 4 obs

○ 2016-09-05 17:04:00
● 2018-10-09 03:38:00
○ 2026-06-27 12:51:56
○ 2026-07-18 09:11:02

○NSns2.xs4all.nl2015-08-16 → 2016-09-05 · 4 obs

● 2015-08-16 08:24:06
● 2016-09-05 17:04:00
○ 2018-10-09 03:38:00
○ 2026-07-18 09:11:02

●NSns3.combell.net2026-06-27 → 2026-07-18 · 3 obs

○ 2018-10-09 03:38:00
● 2026-06-27 12:51:56
● 2026-07-18 09:11:02

●NSns3.european-server.com2026-06-27 → 2026-07-18 · 3 obs

○ 2018-10-09 03:38:00
● 2026-06-27 12:51:56
● 2026-07-18 09:11:02

○NSns3.intermax.eu2018-10-09 → 2018-10-09 · 4 obs

○ 2016-09-05 17:04:00
● 2018-10-09 03:38:00
○ 2026-06-27 12:51:56
○ 2026-07-18 09:11:02

●NSns4.combell.net2026-06-27 → 2026-07-18 · 3 obs

○ 2018-10-09 03:38:00
● 2026-06-27 12:51:56
● 2026-07-18 09:11:02

●NSns4.european-server.com2026-06-27 → 2026-07-18 · 3 obs

○ 2018-10-09 03:38:00
● 2026-06-27 12:51:56
● 2026-07-18 09:11:02

●MXcoolprofs-com.mail.protection.outlook.com2018-10-09 → 2026-07-18 · 3 obs

○ 2016-09-05 17:04:00
● 2018-10-09 03:38:00
● 2026-07-18 09:11:02

○MXcoolprofs.nl2015-08-16 → 2016-09-05 · 4 obs

● 2015-08-16 08:24:06
● 2016-09-05 17:04:00
○ 2018-10-09 03:38:00
○ 2026-07-18 09:11:02

○MXfallback.intermax.nl2018-10-09 → 2018-10-09 · 4 obs

○ 2016-09-05 17:04:00
● 2018-10-09 03:38:00
○ 2026-06-27 12:51:56
○ 2026-07-18 09:11:02

●MXmail.coolprofs.com2026-06-27 → 2026-07-18 · 3 obs

○ 2018-10-09 03:38:00
● 2026-06-27 12:51:56
● 2026-07-18 09:11:02

○A213.125.214.902015-08-16 → 2016-09-05 · 4 obs

● 2015-08-16 08:24:06
● 2016-09-05 17:04:00
○ 2018-10-09 03:38:00
○ 2026-07-18 09:11:02

●A217.19.237.542026-06-27 → 2026-07-18 · 3 obs

○ 2018-10-09 03:38:00
● 2026-06-27 12:51:56
● 2026-07-18 09:11:02

○A46.22.191.1472018-10-09 → 2018-10-09 · 4 obs

○ 2016-09-05 17:04:00
● 2018-10-09 03:38:00
○ 2026-06-27 12:51:56
○ 2026-07-18 09:11:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
nl	ns1.dns.nl, ns3.dns.nl, ns4.dns.nl	-
coolprofs.nl	ns1.combell.eu, ns3.combell.net, ns4.combell.net	-

✅ Authoritative Response

Server:86.39.202.67

NS records: ns1.combell.eu, ns3.combell.net, ns4.combell.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for coolprofs.nl (unsigned zone)

⏱️ Timing

Total: 950ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`217.19.237.54`
NS	3	`ns1.european-server.eu, ns4.european-server.com...`
MX	2	`mail.coolprofs.com (pri: 20), coolprofs-com.mail.protection.outlook.co`
TXT	2	`v=spf1 ip4:46.22.191.147/32 include:spf., MS=ms46511572`
SOA	1	`ns3.european-server.com hostmaster.coolp`

Analysis

IP Addresses

coolprofs.nl directs to one IP number, which is 217.19.237.54.

Among the host names that share IP numbers with coolprofs.nl are www.soudal.be, wels.shop, floorpul.fr and two others.

Name Servers

coolprofs.nl is served by 6 authoritative name servers — among them ns3.european-server.com, ns4.european-server.com, ns1.combell.eu and 3 others.

coolprofs.nl has at least partial name server overlap with other domains, such as guydefrance.com, bavo.biz, stepinn.be and two others.

ns3.combell.net, ns4.combell.net and ns1.european-server.eu — plus 3 other name servers — are commonly paired with these name servers.

Hosts with two IP numbers each:

ns3.european-server.com resolves to two addresses: 83.217.73.172 and 2a00:1c98::53:1.

ns4.european-server.com resolves to two addresses: 86.39.202.67 and 2001:1598:0:101::3.

ns1.combell.eu resolves to two addresses: 89.44.166.48 and 2a00:1c98:50::50.

ns1.european-server.eu resolves to two addresses: 89.44.166.48 and 2a00:1c98:50::50.

ns3.combell.net resolves to two addresses: 83.217.73.172 and 2a00:1c98::53:1.

ns4.combell.net resolves to two addresses: 86.39.202.67 and 2001:1598:0:101::3.

ns3.european-server.com along with ns3.combell.net each resolve to 2a00:1c98::53:1 IP addresses.

ns3.european-server.com along with ns3.combell.net each resolve to 83.217.73.172 IP addresses.

ns4.european-server.com along with ns4.combell.net each resolve to 2001:1598:0:101::3 IP addresses.

ns4.european-server.com along with ns4.combell.net each resolve to 86.39.202.67 IP addresses.

ns1.combell.eu along with ns1.european-server.eu each resolve to 2a00:1c98:50::50 IP addresses.

ns1.combell.eu along with ns1.european-server.eu each resolve to 89.44.166.48 IP addresses.

Mail Servers

The MX records for coolprofs.nl point to two mail servers: mail.coolprofs.com and coolprofs-com.mail.protection.outlook.com.

coolprofs.nl and domains like coolprofs.com share an identical mail server configuration.

Host names resolving to 8 IP numbers:

coolprofs-com.mail.protection.outlook.com resolves to 52.101.68.3, 52.101.68.18 and 52.101.73.16 among others, with 5 other IP addresses in total.

coolprofs.nl - robtex.com

coolprofs.nl

nl

Previously MX for

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`coolprofs.nl`

`nl`