`companyconstructor.nl`

DNSSEC	⚠️ Not signed
A	81.4.80.52^{🇳🇱 AS-TBNLTN81.4.80.0/22 ProServe Network}
		PTR	`ip-space.by.proserve.nl`
NS	`ns1.dn-s.nl` ⭐
		A	2a06:2ec0:1::10^{🇳🇱 AS-ZXCS2a06:2ec0::/32}
			PTR	`ns1.zxcs.nl`
		A	185.104.28.19^{🇳🇱 AS-ZXCS185.104.28.0/24}
			PTR	`ns1.zxcs.nl`
NS	`ns2.dn-s.nl`
		A	2a03:b0c0:3:d0::116:2001^{🇩🇪 DIGITALOCEAN2a03:b0c0:3::/48 DigitalOcean}
			PTR	`ns2.zxcs.nl`
		A	46.101.179.64^{🇩🇪 DIGITALOCEAN46.101.128.0/17 DigitalOcean}
			PTR	`ns2.zxcs.nl`
NS	`ns3.dn-s.nl`
		A	2a03:b0c0:2:d0::57:1001^{🇳🇱 DIGITALOCEAN2a03:b0c0:2::/48 DigitalOcean}
			PTR	`ns3.zxcs.nl`
		A	178.62.208.8^{🇳🇱 DIGITALOCEAN178.62.192.0/18 DigitalOcean}
			PTR	`ns3.zxcs.nl`
NS	`ns4.dn-s.nl`
		A	2a06:2ec0:1:a::d53^{🇳🇱 AS-ZXCS2a06:2ec0::/32}
			PTR	`ns.zxcs.de`
		A	185.220.172.14^{🇩🇪 AS-ZXCS185.220.172.0/24 VIMEXX}
			PTR	`ns.zxcs.de`
MX	`mail.companyconstructor.nl` ⭐
		A	81.4.80.52^{🇳🇱 AS-TBNLTN81.4.80.0/22 ProServe Network}
			PTR	`ip-space.by.proserve.nl`
MX	`bsmtp.123xs.net`⁽¹⁰⁰⁾
TXT	`v=spf1 a mx ~all`
SOA	`ns1.dn-s.nl`hostmaster@companyconstructor.nl 2021-01-01 #0

`nl`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns1.dns.nl` ⭐
	NS	`ns3.dns.nl`
	NS	`ns4.dns.nl`
	TXT	`nl zone update: 2026-04-21 20:00:01 +0000 (EPOCH 1776801601)`
	SOA	`ns1.dns.nl`dns@sidn.nl 2026-04-21 #40

Subdomains

mail.companyconstructor.nl

Same first word

companyconstructor.nl

DNS History

12 records (7 active, 5 former)

○NSns1.123xs.net2015-07-04 → 2017-01-08 · 4 obs

● 2015-07-04 21:26:08
● 2017-01-08 18:34:24
○ 2018-08-19 05:13:52
○ 2026-04-21 21:03:42

●NSns1.dn-s.nl2026-02-14 → 2026-04-21 · 3 obs

○ 2018-08-19 05:13:52
● 2026-02-14 17:26:30
● 2026-04-21 21:03:42

○NSns1.r2ceurope.com2018-08-19 → 2018-08-19 · 4 obs

○ 2017-01-08 18:34:24
● 2018-08-19 05:13:52
○ 2026-02-14 17:26:30
○ 2026-04-21 21:03:42

○NSns2.123xs.net2015-07-04 → 2017-01-08 · 4 obs

● 2015-07-04 21:26:08
● 2017-01-08 18:34:24
○ 2018-08-19 05:13:52
○ 2026-04-21 21:03:42

●NSns2.dn-s.nl2026-02-14 → 2026-04-21 · 3 obs

○ 2018-08-19 05:13:52
● 2026-02-14 17:26:30
● 2026-04-21 21:03:42

○NSns2.r2ceurope.org2018-08-19 → 2018-08-19 · 4 obs

○ 2017-01-08 18:34:24
● 2018-08-19 05:13:52
○ 2026-02-14 17:26:30
○ 2026-04-21 21:03:42

●NSns3.dn-s.nl2026-02-14 → 2026-04-21 · 3 obs

○ 2018-08-19 05:13:52
● 2026-02-14 17:26:30
● 2026-04-21 21:03:42

○NSns3.r2ceurope.net2018-08-19 → 2018-08-19 · 4 obs

○ 2017-01-08 18:34:24
● 2018-08-19 05:13:52
○ 2026-02-14 17:26:30
○ 2026-04-21 21:03:42

●NSns4.dn-s.nl2026-02-14 → 2026-04-21 · 3 obs

○ 2018-08-19 05:13:52
● 2026-02-14 17:26:30
● 2026-04-21 21:03:42

●MXbsmtp.123xs.net2015-07-04 → 2026-04-21 · 2 obs

● 2015-07-04 21:26:08
● 2026-04-21 21:03:42

●MXmail.companyconstructor.nl2015-07-04 → 2026-04-21 · 2 obs

● 2015-07-04 21:26:08
● 2026-04-21 21:03:42

●A81.4.80.522015-07-04 → 2026-04-21 · 2 obs

● 2015-07-04 21:26:08
● 2026-04-21 21:03:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
nl	ns1.dns.nl, ns3.dns.nl, ns4.dns.nl	-
companyconstructor.nl	ns1.dn-s.nl, ns2.dn-s.nl, ns3.dn-s.nl, ns4.dn-s.nl	-

✅ Authoritative Response

Server:46.101.179.64

NS records: ns1.dn-s.nl, ns2.dn-s.nl, ns3.dn-s.nl, ns4.dn-s.nl

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for companyconstructor.nl (unsigned zone)

⏱️ Timing

Total: 1153ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`81.4.80.52`
NS	4	`ns4.dn-s.nl, ns3.dn-s.nl...`
MX	2	`mail.companyconstructor.nl (pri: 10), bsmtp.123xs.net (pri: 100)`
TXT	1	`v=spf1 a mx ~all`
SOA	1	`ns1.dn-s.nl hostmaster.companyconstructo`

Analysis

Hierarchy

companyconstructor.nl is the parent of mail.companyconstructor.nl.

IP Addresses

companyconstructor.nl resolves to a single IP address: 81.4.80.52.

Other host names including mail.obertura.eu, mail.companyconstructor.nl, obertura.eu, mail.waarle.eu and mail.stageindetechniek.nl share IP numbers with companyconstructor.nl.

Name Servers

companyconstructor.nl is delegated to four name servers: ns1.dn-s.nl, ns2.dn-s.nl, ns3.dn-s.nl and ns4.dn-s.nl.

companyconstructor.nl at least partially shares name servers with other domains, including nsr-reisregie.nl, smaalincasso.nl, librarium.com, robvanlankeren.nl and defence.nl.

These name servers are commonly used with ns2.dn-s.be, ns3.dn-s.eu, ns4.dn-s.org, ns1.serviceprovider.nl, ns2.serviceprovider.nl, ns3.serviceprovider.nl and ns4.serviceprovider.nl.

Hosts with two IP numbers:

Host ns1.dn-s.nl points to 2a06:2ec0:1::10 and 185.104.28.19

Host ns2.dn-s.nl points to 2a03:b0c0:3:d0::116:2001 and 46.101.179.64

Host ns3.dn-s.nl points to 2a03:b0c0:2:d0::57:1001 and 178.62.208.8

Host ns4.dn-s.nl points to 2a06:2ec0:1:a::d53 and 185.220.172.14

Mail Servers

companyconstructor.nl is handled by two mail servers: bsmtp.123xs.net and mail.companyconstructor.nl.

The mail servers for companyconstructor.nl are shared with other domains, for instance wheretalentsmeet.com, palsolutions.nl, cicx.nl, 3datelier.nl and freecme.nl.

these mail servers are often used with mx3.123xs.net, mx4.123xs.net, mail.wheretalentsmeet.com, mail.palsolutions.nl, mail.cicx.nl, mail.3datelier.nl and mail.freecme.nl.

Host names with a single IP: mail.companyconstructor.nl points to 81.4.80.52.

companyconstructor.nl - robtex.com