`groenholding.com`

DNSSEC	⚠️ Not signed
NS	`auth01-peer.ib.routit.net` ⭐
		A	2a02:22a0::a1^{🇳🇱 ASN-ROUTIT2a02:22a0::/32 RoutIT B.V.}
			PTR	`auth01.ib.routit.net`
		A	213.144.232.181^{🇳🇱 ASN-ROUTIT213.144.224.0/19 RoutIT B.V.}
			PTR	`auth01-peer.ib.routit.net`
			PTR	`auth01.ib.routit.net`
NS	`auth02-peer.ib.routit.net`
		A	2a02:22a0:ffff:ffff::a1^{🇳🇱 ASN-ROUTIT2a02:22a0::/32 RoutIT B.V.}
			PTR	`auth02.ib.routit.net`
		A	213.144.232.182^{🇳🇱 ASN-ROUTIT213.144.224.0/19 RoutIT B.V.}
			PTR	`auth02-peer.ib.routit.net`
			PTR	`auth02.ib.routit.net`
MX	`groenholding-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::9^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db7pr03cu00601.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::2^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am0pr83cu00402.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::5^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am1pr04cu00105.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::7^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am9pr04cu00107.inbound.protection.outlook.com`
		A	52.101.68.32^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db3pr0202cu00200.inbound.protection.outlook.com`
		A	52.101.73.2^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-as9pr07cu00302.inbound.protection.outlook.com`
		A	52.101.73.4^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am0pr83cu00404.inbound.protection.outlook.com`
		A	52.101.73.6^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am6pr04cu00306.inbound.protection.outlook.com`
TXT	`RTT=6A4FE3DB`
TXT	`MS=ms43959829`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
SOA	`auth01-peer.ib.routit.net`noc@routit.nl serial=13

`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=1776292357

Same first word

groenholding.com

DNS History

6 records (3 active, 3 former)

●NSauth01-peer.ib.routit.net2026-03-22 → 2026-04-15 · 3 obs

○ 2017-05-10 03:35:42
● 2026-03-22 09:32:52
● 2026-04-15 22:34:22

●NSauth02-peer.ib.routit.net2026-03-22 → 2026-04-15 · 3 obs

○ 2017-05-10 03:35:42
● 2026-03-22 09:32:52
● 2026-04-15 22:34:22

○NSns1.routitcloud.nl2017-05-10 → 2017-05-10 · 3 obs

● 2017-05-10 03:35:42
○ 2026-03-22 09:32:52
○ 2026-04-15 22:34:22

○NSns2.routitcloud.nl2017-05-10 → 2017-05-10 · 3 obs

● 2017-05-10 03:35:42
○ 2026-03-22 09:32:52
○ 2026-04-15 22:34:22

●MXgroenholding-com.mail.protection.outlook.com2017-05-10 → 2026-04-15 · 2 obs

● 2017-05-10 03:35:42
● 2026-04-15 22:34:22

○A213.75.177.732017-05-10 → 2017-05-10 · 3 obs

● 2017-05-10 03:35:42
○ 2026-03-22 09:32:52
○ 2026-04-15 22:34:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
groenholding.com	auth01-peer.ib.routit.net, auth02-peer.ib.routit.net	-

✅ Authoritative Response

Server:213.144.232.182

NS records: auth01-peer.ib.routit.net, auth02-peer.ib.routit.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for groenholding.com (unsigned zone)

⏱️ Timing

Total: 677ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`auth01-peer.ib.routit.net, auth02-peer.ib.routit.net`
MX	1	`groenholding-com.mail.protection.outlook`
TXT	3	`MS=ms43959829, v=spf1 include:spf.protection.outlook.co...`
SOA	1	`auth01-peer.ib.routit.net noc.routit.nl`

Analysis

Name Servers

groenholding.com is delegated to two name servers: auth01-peer.ib.routit.net and auth02-peer.ib.routit.net.

groenholding.com shares the same name server setup as other domains, for example directip.be, evase.nl, habienet.net, 2dehandslaptops.nl and bexbv.nl.

groenholding.com at least partially shares name servers with other domains, for instance kern.nl, kliklijsten.com, schoonmaakvacature.nl, mid.nl and interwel.nl.

These name servers are often used with auth01.ib.routit.net and auth02.ib.routit.net.

Host names with two IP numbers:

auth01-peer.ib.routit.net points to 2a02:22a0::a1 and 213.144.232.181

auth02-peer.ib.routit.net points to 2a02:22a0:ffff:ffff::a1 and 213.144.232.182

Mail Servers

groenholding.com is handled by a single mail server, groenholding-com.mail.protection.outlook.com.

Host name groenholding-com.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:ca04::9, 2a01:111:f403:ca09::2, 2a01:111:f403:ca09::5, 2a01:111:f403:ca09::7, 52.101.68.32, 52.101.73.2, 52.101.73.4 and 52.101.73.6.

groenholding.com - robtex.com