`holthausen.nl`

DNSSEC	⚠️ Not signed
A	2a04:3544:1000:1510:700a:b7ff:fe10:d32^{🇫🇮 UPCLOUD2a04:3544::/32 -NL-AMS1-IPV6}
		PTR	`server9.dycon.nl`
A	94.237.45.99^{🇳🇱 UPCLOUD94.237.40.0/21 -NL-AMS1-NET1}
NS	`ns1.yourwebhoster.com` ⭐
		A	2001:8d8:fe:53:217:160:80:161^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns-ix2.ui-dns.de`
		A	217.160.80.161^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns-ix2.ui-dns.de`
NS	`ns2.yourwebhoster.com`
		A	2001:8d8:fe:53:217:160:81:161^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns-ix2.ui-dns.biz`
		A	217.160.81.161^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns-ix2.ui-dns.biz`
NS	`ns3.yourwebhoster.nl`
		A	2607:f1c0:fe:53:185:132:35:161^{🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US}
			PTR	`ns-ix2.ui-dns.org`
		A	185.132.35.161^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns-ix2.ui-dns.org`
NS	`ns4.yourwebhoster.nl`
		A	2607:f1c0:fe:53:185:132:34:161^{🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US}
			PTR	`ns-ix2.ui-dns.com`
		A	185.132.34.161^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns-ix2.ui-dns.com`
MX	`holthausen-nl.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::4^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db4pr02cu00204.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::a^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-du0pr03cu00102.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::e^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am7pr05cu00206.inbound.protection.outlook.com`
		A	52.101.68.27^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db7pr03cu00503.inbound.protection.outlook.com`
		A	52.101.68.29^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-dbapr03cu00105.inbound.protection.outlook.com`
		A	52.101.73.1^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am3pr04cu00501.inbound.protection.outlook.com`
		A	52.101.73.24^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-as8pr05cu00300.inbound.protection.outlook.com`
TXT	`MS=ms98725819`
TXT	`v=spf1 a mx ip4:109.71.52.178 ip4:217.100.78.202 ip4:93.117.239.182 include:r...`
SOA	`ns1.yourwebhoster.com`rick@dycon.nl 2025-09-26 #8

`nl`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns1.dns.nl` ⭐
	NS	`ns3.dns.nl`
	NS	`ns4.dns.nl`
	TXT	`nl zone update: 2026-08-11 12:00:01 +0000 (EPOCH 1786449601)`
	SOA	`ns1.dns.nl`dns@sidn.nl 2026-08-11 #24

Same first word

holthausen.nl

Similar names

healthonus.io

hotelsahun.com

shanuhotel.com

nosuhealth.com

onushealth.com

DNS History

14 records (7 active, 7 former)

●NSns1.yourwebhoster.com2015-06-27 → 2026-08-11 · 2 obs

● 2015-06-27 07:54:52
● 2026-08-11 12:33:30

●NSns2.yourwebhoster.com2015-06-27 → 2026-08-11 · 2 obs

● 2015-06-27 07:54:52
● 2026-08-11 12:33:30

●NSns3.yourwebhoster.nl2015-06-27 → 2026-08-11 · 2 obs

● 2015-06-27 07:54:52
● 2026-08-11 12:33:30

●NSns4.yourwebhoster.nl2015-06-27 → 2026-08-11 · 2 obs

● 2015-06-27 07:54:52
● 2026-08-11 12:33:30

●MXholthausen-nl.mail.protection.outlook.com2026-02-26 → 2026-08-11 · 3 obs

○ 2021-06-20 23:40:14
● 2026-02-26 18:55:54
● 2026-08-11 12:33:30

○MXmail.holthausen.nl2015-06-27 → 2017-04-19 · 4 obs

● 2015-06-27 07:54:52
● 2017-04-19 17:24:34
○ 2021-06-20 23:40:14
○ 2026-08-11 12:33:30

○MXmail2.holthausen.nl2016-09-25 → 2016-09-25 · 4 obs

○ 2015-06-27 07:54:52
● 2016-09-25 14:13:26
○ 2017-04-19 17:24:34
○ 2026-08-11 12:33:30

○MXmx1.netwerkplan.nl2021-06-20 → 2021-06-20 · 4 obs

○ 2017-04-19 17:24:34
● 2021-06-20 23:40:14
○ 2026-02-26 18:55:54
○ 2026-08-11 12:33:30

○MXmx2.netwerkplan.nl2021-06-20 → 2021-06-20 · 4 obs

○ 2017-04-19 17:24:34
● 2021-06-20 23:40:14
○ 2026-02-26 18:55:54
○ 2026-08-11 12:33:30

○A109.71.50.272015-06-27 → 2016-09-25 · 4 obs

● 2015-06-27 07:54:52
● 2016-09-25 14:13:26
○ 2017-04-19 17:24:34
○ 2026-08-11 12:33:30

○A109.71.52.1782017-04-19 → 2017-04-19 · 4 obs

○ 2016-09-25 14:13:26
● 2017-04-19 17:24:34
○ 2021-06-20 23:40:14
○ 2026-08-11 12:33:30

●A2a04:3544:1000:1510:700a:b7ff:fe10:d322021-06-20 → 2026-08-11 · 3 obs

○ 2017-04-19 17:24:34
● 2021-06-20 23:40:14
● 2026-08-11 12:33:30

●A94.237.45.992026-02-26 → 2026-08-11 · 3 obs

○ 2021-06-20 23:40:14
● 2026-02-26 18:55:54
● 2026-08-11 12:33:30

○A94.237.46.1992021-06-20 → 2021-06-20 · 4 obs

○ 2017-04-19 17:24:34
● 2021-06-20 23:40:14
○ 2026-02-26 18:55:54
○ 2026-08-11 12:33:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
nl	ns1.dns.nl, ns3.dns.nl, ns4.dns.nl	-
holthausen.nl	ns1.yourwebhoster.com, ns2.yourwebhoster.com, ns3.yourwebhoster.nl, ns4.yourwebhoster.nl	4 records

✅ Authoritative Response

Server:185.132.35.161

NS records: ns1.yourwebhoster.com, ns2.yourwebhoster.com, ns3.yourwebhoster.nl, ns4.yourwebhoster.nl

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for holthausen.nl (unsigned zone)

⏱️ Timing

Total: 700ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`94.237.45.99`
AAAA	1	`2a04:3544:1000:1510:700a:b7ff:fe10:d32`
NS	4	`ns2.yourwebhoster.com, ns3.yourwebhoster.nl...`
MX	1	`holthausen-nl.mail.protection.outlook.co`
TXT	2	`MS=ms98725819, v=spf1 a mx ip4:109.71.52.178 ip4:217.10`
SOA	1	`ns1.yourwebhoster.com rick.dycon.nl`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns3.yourwebhoster.nl, ns3.yourwebhoster.nl, ns4.yourwebhoster.nl...)

Analysis

IP Addresses

holthausen.nl has two IP addresses: 94.237.45.99 and 2a04:3544:1000:1510:700a:b7ff:fe10:d32

Additional host names — bosscher.me, dycom.nl, uwriool.nl and two others — share IP numbers with holthausen.nl.

Name Servers

holthausen.nl has four authoritative name servers: ns1.yourwebhoster.com, ns2.yourwebhoster.com, ns3.yourwebhoster.nl and ns4.yourwebhoster.nl.

At least some of holthausen.nl's name servers are shared with other domains, for example noordmans.net, bailabelair.nl, dereclamestudio.nl and two more.

Four hostnames, each resolving to a pair of IP addresses: ns1.yourwebhoster.com directs to 217.160.80.161 and 2001:8d8:fe:53:217:160:80:161; ns2.yourwebhoster.com directs to 217.160.81.161 and 2001:8d8:fe:53:217:160:81:161; ns3.yourwebhoster.nl directs to 185.132.35.161 and 2607:f1c0:fe:53:185:132:35:161; ns4.yourwebhoster.nl directs to 185.132.34.161 and 2607:f1c0:fe:53:185:132:34:161.

Mail Servers

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

holthausen-nl.mail.protection.outlook.com points to 8 IP numbers: 52.101.68.27, 52.101.68.29, 52.101.73.1 and 5 other.

holthausen.nl - robtex.com

holthausen.nl

nl

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

Mail Servers

`holthausen.nl`

`nl`