`contractbeheer.com`

DNSSEC	⚠️ Not signed
A	2a02:2350:5:10c:75:2252:2224:7947^{🇩🇰 ONECOM2a02:2350::/32 One.com A/S}
A	46.30.213.142^{🇩🇰 ONECOM46.30.208.0/21 One.com A/S}
NS	`ns01.one.com` ⭐
		A	2001:67c:28cc::10^{ONECOM-INFRA2001:67c:28cc::/48}
			PTR	`ns01.one.com`
		A	195.206.121.10^{ONECOM-INFRA195.206.121.0/24}
			PTR	`ns01.one.com`
NS	`ns02.one.com`
		A	2001:67c:3c0::10^{🇩🇰 ONECOM2001:67c:3c0::/48}
			PTR	`ns02.one.com`
		A	185.10.11.10^{ONECOM185.10.11.0/24}
			PTR	`ns02.one.com`
MX	`contractbeheer-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::2^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-du2pr03cu00102.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::9^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-as8pr04cu00801.inbound.protection.outlook.com`
		A	52.101.68.0^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db3pr0202cu00100.inbound.protection.outlook.com`
		A	52.101.68.3^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db7pr03cu00403.inbound.protection.outlook.com`
		A	52.101.73.16^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-as2pr05cu00100.inbound.protection.outlook.com`
		A	52.101.73.153^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-as8pr05cu00401.inbound.protection.outlook.com`
TXT	`google-site-verification=gUf1K2fqAQgUwN3paEqL7sGFCuPkYOg59swXTsSi1UU`
TXT	`9dfvnc587q58tubpvifb4uavo3`
TXT	`6t3fupg6fm9lfl243dj8bpd1ia`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
SOA	`ns01.one.com`hostmaster@one.com 2026-04-20 #5

`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=1777150856

Subdomains

www.contractbeheer.com

Same first word

contractbeheer.com

contractbeheer.be

DNS History

12 records (5 active, 7 former)

○NSmns1.exception.nl2017-03-25 → 2017-03-25 · 4 obs

○ 2016-08-09 02:42:16
● 2017-03-25 15:03:16
○ 2026-03-26 20:45:32
○ 2026-04-25 21:01:24

●NSns01.one.com2026-03-26 → 2026-04-25 · 3 obs

○ 2017-03-25 15:03:16
● 2026-03-26 20:45:32
● 2026-04-25 21:01:24

●NSns02.one.com2026-03-26 → 2026-04-25 · 3 obs

○ 2017-03-25 15:03:16
● 2026-03-26 20:45:32
● 2026-04-25 21:01:24

○NSnsx1.exception.nl2015-08-09 → 2016-08-09 · 4 obs

● 2015-08-09 17:39:40
● 2016-08-09 02:42:16
○ 2017-03-25 15:03:16
○ 2026-04-25 21:01:24

○NSnsx2.exception.nl2015-08-09 → 2017-03-25 · 4 obs

● 2015-08-09 17:39:40
● 2017-03-25 15:03:16
○ 2026-03-26 20:45:32
○ 2026-04-25 21:01:24

○NSnsx3.exception.nl2015-08-09 → 2017-03-25 · 4 obs

● 2015-08-09 17:39:40
● 2017-03-25 15:03:16
○ 2026-03-26 20:45:32
○ 2026-04-25 21:01:24

●MXcontractbeheer-com.mail.protection.outlook.com2017-03-25 → 2026-04-25 · 3 obs

○ 2016-03-19 19:39:08
● 2017-03-25 15:03:16
● 2026-04-25 21:01:24

○MXmail.contractbeheer.com2015-08-09 → 2015-11-30 · 4 obs

● 2015-08-09 17:39:40
● 2015-11-30 22:06:32
○ 2016-03-19 19:39:08
○ 2026-04-25 21:01:24

○MXmail.exception.nl2016-03-19 → 2017-03-25 · 5 obs

○ 2015-11-30 22:06:32
● 2016-03-19 19:39:08
● 2017-03-25 15:03:16
○ 2026-03-26 20:45:32
○ 2026-04-25 21:01:24

○A195.28.22.2112015-08-09 → 2017-03-25 · 4 obs

● 2015-08-09 17:39:40
● 2017-03-25 15:03:16
○ 2026-03-26 20:45:32
○ 2026-04-25 21:01:24

●A2a02:2350:5:10c:75:2252:2224:79472026-03-26 → 2026-04-25 · 3 obs

○ 2017-03-25 15:03:16
● 2026-03-26 20:45:32
● 2026-04-25 21:01:24

●A46.30.213.1422026-03-26 → 2026-04-25 · 3 obs

○ 2017-03-25 15:03:16
● 2026-03-26 20:45:32
● 2026-04-25 21:01:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
contractbeheer.com	ns01.one.com, ns02.one.com	4 records

✅ Authoritative Response

Server:185.10.11.10

NS records: ns01.one.com, ns02.one.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 423ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`46.30.213.142`
AAAA	1	`2a02:2350:5:10c:75:2252:2224:7947`
NS	2	`ns02.one.com, ns01.one.com`
MX	1	`contractbeheer-com.mail.protection.outlo`
TXT	4	`google-site-verification=gUf1K2fqAQgUwN3, 9dfvnc587q58tubpvifb4uavo3...`
SOA	1	`ns01.one.com hostmaster.one.com`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns01.one.com, ns01.one.com, ns02.one.com...)

Analysis

Hierarchy

contractbeheer.com is the parent of www.contractbeheer.com.

IP Addresses

contractbeheer.com resolves to two IP numbers: 2a02:2350:5:10c:75:2252:2224:7947 and 46.30.213.142.

other host names including nifo.dk, dellpartsdirect.co.uk, www.contractbeheer.com, stjarnfastigheter.se and pagh.se share IP numbers with contractbeheer.com.

Name Servers

contractbeheer.com is delegated to two name servers ns01.one.com and ns02.one.com.

contractbeheer.com shares the same name server setup as other domains, for instance tangen.com, allcab.se, snvienergy.fr, astor.be and bed.dk.

Host names with two IP numbers:

The host name ns01.one.com points to 2001:67c:28cc::10 and 195.206.121.10; the host name ns02.one.com points to 2001:67c:3c0::10 and 185.10.11.10.

Mail Servers

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

Host contractbeheer-com.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:ca04::2, 2a01:111:f403:ca09::, 2a01:111:f403:ca09::6, 2a01:111:f403:ca09::9, 52.101.68.0, 52.101.68.3, 52.101.73.16 and 52.101.73.153.

contractbeheer.com - robtex.com