🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`diffmanagement.nl`

DNSSEC	⚠️ Not signed
A	185.184.192.64^{🇳🇱 WORLDSTREAM-1185.184.192.0/22}
		PTR	`host3.big-tim.nl`
NS	`ns3.big-tim.nl` ⭐ ⚠️ Not in parent delegation
		A	185.184.192.64^{🇳🇱 WORLDSTREAM-1185.184.192.0/22}
			PTR	`host3.big-tim.nl`
NS	`ns.little-tim.nl` ⚠️ Not in parent delegation
		A	37.58.63.169^{🇩🇪 LEASEWEB-DE-FRA-1037.58.48.0/20 routed via LeaseWeb DE}
NS	`ns1.cognito-it.com` ⚠️ Not in zone NS records
		A	185.184.192.64^{🇳🇱 WORLDSTREAM-1185.184.192.0/22}
			PTR	`host3.big-tim.nl`
NS	`ns2.cognito-it.com` ⚠️ Not in zone NS records
		A	37.58.63.169^{🇩🇪 LEASEWEB-DE-FRA-1037.58.48.0/20 routed via LeaseWeb DE}
MX	`diffmanagement-nl.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c967::c^{🇬🇧 Microsoft2a01:111:f000::/36}
			PTR	`mail-cpjpr05cu00204.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::10^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-dbapr03cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::26^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am8pr83cu00106.inbound.protection.outlook.com`
		A	2a01:111:f403:ca21::a^{🇪🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-maspr04cu00102.inbound.protection.outlook.com`
		A	52.101.73.120^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am7pr02cu00300.inbound.protection.outlook.com`
		A	52.101.103.140^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-miypr02cu00204.inbound.protection.outlook.com`
		A	52.101.185.21^{🇨🇭 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-zrxpr05cu00105.inbound.protection.outlook.com`
		A	52.101.209.28^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-cpjpr05cu00104.inbound.protection.outlook.com`
TXT	`MS=ms88091172`
TXT	`v=spf1 ip4:185.184.192.64 +a +mx +ip4:95.211.159.143 +include:spf.protection....`
SOA	`ns3.big-tim.nl`server@kwd.nu 2026-09-05 #1

`nl`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns1.dns.nl` ⭐
	NS	`ns3.dns.nl`
	NS	`ns4.dns.nl`
	TXT	`nl zone update: 2026-09-26 23:00:01 +0000 (EPOCH 1790463601)`
	SOA	`ns1.dns.nl`dns@sidn.nl 2026-09-26 #46

Same first word

diffmanagement.nl

diffmanagement.com

Previous names

Next names

DNS History

15 records (6 active, 9 former)

○NSdev.cognito.nl2016-03-03 → 2018-12-07 · 5 obs

○ 2015-11-28 20:12:50
● 2016-03-03 10:09:16
● 2018-12-07 09:15:12
○ 2026-09-12 16:08:46
○ 2026-09-27 00:11:54

○NSmx.cognito.nl2016-03-03 → 2018-12-07 · 5 obs

○ 2015-11-28 20:12:50
● 2016-03-03 10:09:16
● 2018-12-07 09:15:12
○ 2026-09-12 16:08:46
○ 2026-09-27 00:11:54

●NSns.little-tim.nl2026-09-12 → 2026-09-27 · 3 obs

○ 2018-12-07 09:15:12
● 2026-09-12 16:08:46
● 2026-09-27 00:11:54

●NSns1.cognito-it.com2026-09-12 → 2026-09-27 · 3 obs

○ 2018-12-07 09:15:12
● 2026-09-12 16:08:46
● 2026-09-27 00:11:54

○NSns1.openprovider.nl2016-03-03 → 2018-12-07 · 5 obs

○ 2015-11-28 20:12:50
● 2016-03-03 10:09:16
● 2018-12-07 09:15:12
○ 2026-09-12 16:08:46
○ 2026-09-27 00:11:54

○NSns1.widexs.nl2015-07-21 → 2015-07-21 · 3 obs

● 2015-07-21 10:05:10
○ 2015-11-28 20:12:50
○ 2026-09-27 00:11:54

●NSns2.cognito-it.com2026-09-12 → 2026-09-27 · 3 obs

○ 2018-12-07 09:15:12
● 2026-09-12 16:08:46
● 2026-09-27 00:11:54

○NSns2.widexs.net2015-07-21 → 2015-07-21 · 3 obs

● 2015-07-21 10:05:10
○ 2015-11-28 20:12:50
○ 2026-09-27 00:11:54

●NSns3.big-tim.nl2026-09-12 → 2026-09-27 · 3 obs

○ 2018-12-07 09:15:12
● 2026-09-12 16:08:46
● 2026-09-27 00:11:54

○NSns3.widexs.nl2015-07-21 → 2015-07-21 · 3 obs

● 2015-07-21 10:05:10
○ 2015-11-28 20:12:50
○ 2026-09-27 00:11:54

●MXdiffmanagement-nl.mail.protection.outlook.com2018-12-07 → 2026-09-27 · 3 obs

○ 2017-02-14 06:56:22
● 2018-12-07 09:15:12
● 2026-09-27 00:11:54

○MXmail.diffmanagement.nl2016-03-03 → 2017-02-14 · 4 obs

● 2016-03-03 10:09:16
● 2017-02-14 06:56:22
○ 2018-12-07 09:15:12
○ 2026-09-27 00:11:54

●A185.184.192.642026-09-12 → 2026-09-27 · 3 obs

○ 2018-12-07 09:15:12
● 2026-09-12 16:08:46
● 2026-09-27 00:11:54

○A213.84.82.12015-07-21 → 2015-07-21 · 3 obs

● 2015-07-21 10:05:10
○ 2015-11-28 20:12:50
○ 2026-09-27 00:11:54

○A82.94.224.2312016-03-03 → 2018-12-07 · 5 obs

○ 2015-11-28 20:12:50
● 2016-03-03 10:09:16
● 2018-12-07 09:15:12
○ 2026-09-12 16:08:46
○ 2026-09-27 00:11:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
nl	ns3.dns.nl, ns1.dns.nl, ns4.dns.nl	6 records
diffmanagement.nl	ns1.cognito-it.com, ns2.cognito-it.com	-

✅ Authoritative Response

Server:185.184.192.64

NS records: ns1.cognito-it.com, ns2.cognito-it.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for diffmanagement.nl (unsigned zone)

⏱️ Timing

Total: 889ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`185.184.192.64`
NS	2	`ns3.big-tim.nl, ns.little-tim.nl`
MX	1	`diffmanagement-nl.mail.protection.outloo`
TXT	2	`MS=ms88091172, v=spf1 ip4:185.184.192.64 +a +mx +ip4:95`
SOA	1	`ns3.big-tim.nl server.kwd.nu`

📌 Glue Records Collected

Total: 6

In-bailiwick: 6 (ns3.dns.nl, ns3.dns.nl, ns1.dns.nl...)

Analysis

IP Addresses

diffmanagement.nl points to a single IP number: 185.184.192.64.

Additional host names — royalpalmsmijas-slg.com, appartement-malaga.com, apartment-malaga.info and two others — share IP numbers with diffmanagement.nl.

Name Servers

diffmanagement.nl has four authoritative name servers: ns1.cognito-it.com, ns2.cognito-it.com, ns3.big-tim.nl and ns.little-tim.nl.

There is at least partial name server overlap between diffmanagement.nl and other domains — retro-wielershirts.nl, eyecam.nl, boek-en-delen.nl and two more among them.

These name servers are routinely deployed together with the name servers ns.big-tim.nl.

Of the four host names ns1.cognito-it.com, ns2.cognito-it.com, ns3.big-tim.nl and ns.little-tim.nl, each resolves to a single IP address: ns1.cognito-it.com to 185.184.192.64, ns2.cognito-it.com to 37.58.63.169, ns3.big-tim.nl to 185.184.192.64 and ns.little-tim.nl to 37.58.63.169.

The host names ns1.cognito-it.com and ns3.big-tim.nl both resolve to 185.184.192.64 IP addresses.

The host names ns2.cognito-it.com and ns.little-tim.nl both resolve to 37.58.63.169 IP addresses.

Mail Servers

diffmanagement.nl has one mail server: diffmanagement-nl.mail.protection.outlook.com.

diffmanagement-nl.mail.protection.outlook.com points to 8 IP numbers: 52.101.73.120, 52.101.103.140, 52.101.185.21 and 5 other.

diffmanagement.nl - robtex.com