webconcurrent.nl - dns.ninja

`webconcurrent.nl`

DNSSEC	⚠️ Not signed
A	212.114.110.131^{🇳🇱 NL-BIT212.114.96.0/19 BIT BV}
		PTR	`server01.webconcurrent.nl`
NS	`dns1.hosted.nl` ⭐
		A	2001:7b8:60c:1:4:47:10:1^{🇳🇱 NL-BIT2001:7b8::/29 -20020405 BIT bv, The Netherlands}
			PTR	`dns1.hosted.nl`
		A	91.230.244.50^{🇳🇱 NL-BIT91.230.244.0/23 Hosted}
			PTR	`dns1.hosted.nl`
NS	`dns2.hosted.nl`
		A	2a0b:9cc0:150:35::1^{🇳🇱 InfoPact-AS2a0b:9cc0::/29}
		A	185.214.150.35^{🇳🇱 InfoPact-AS185.214.148.0/22}
NS	`dns3.hosted.nl`
		A	2a00:19c0:a064:10::1^{🇳🇱 InfoPact-AS2a00:19c0::/32 Qweb Internet Services B.V.}
			PTR	`dns3.hosted.nl`
		A	217.18.64.10^{🇳🇱 InfoPact-AS217.18.64.0/20 Qweb Internet Services B.V.}
			PTR	`dns3.hosted.nl`
MX	`webconcurrent-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:ca09::3^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am6pr04cu00303.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::f^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am7pr05cu00307.inbound.protection.outlook.com`
		A	52.101.68.27^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db7pr03cu00503.inbound.protection.outlook.com`
		A	52.101.68.32^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db3pr0202cu00200.inbound.protection.outlook.com`
		A	52.101.73.8^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am0pr04cu00500.inbound.protection.outlook.com`
		A	52.101.73.16^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-as2pr05cu00100.inbound.protection.outlook.com`
TXT	`v=spf1 a mx ip4:212.114.110.131 include:spf.protection.outlook.com include:_s...`
SOA	`dns1.hosted.nl`support@hosted.nl 2023-08-17 #0

`nl`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns1.dns.nl` ⭐
	NS	`ns3.dns.nl`
	NS	`ns4.dns.nl`
	TXT	`nl zone update: 2026-07-26 13:00:01 +0000 (EPOCH 1785070801)`
	SOA	`ns1.dns.nl`dns@sidn.nl 2026-07-26 #26

Subdomains

server01.webconcurrent.nl

ns1.webconcurrent.nl

mail.webconcurrent.nl

ns2.webconcurrent.nl

Same first word

webconcurrent.com

webconcurrent.nl

DNS History

8 records (5 active, 3 former)

●NSdns1.hosted.nl2026-03-07 → 2026-07-26 · 3 obs

○ 2021-09-15 15:51:08
● 2026-03-07 07:27:52
● 2026-07-26 13:29:08

●NSdns2.hosted.nl2026-03-07 → 2026-07-26 · 3 obs

○ 2021-09-15 15:51:08
● 2026-03-07 07:27:52
● 2026-07-26 13:29:08

●NSdns3.hosted.nl2026-03-07 → 2026-07-26 · 3 obs

○ 2021-09-15 15:51:08
● 2026-03-07 07:27:52
● 2026-07-26 13:29:08

○NSns1.mysmt.net2015-07-06 → 2021-09-15 · 4 obs

● 2015-07-06 22:15:08
● 2021-09-15 15:51:08
○ 2026-03-07 07:27:52
○ 2026-07-26 13:29:08

○NSns2.mysmt.net2015-07-06 → 2021-09-15 · 4 obs

● 2015-07-06 22:15:08
● 2021-09-15 15:51:08
○ 2026-03-07 07:27:52
○ 2026-07-26 13:29:08

●MXwebconcurrent-nl.mail.protection.outlook.com2015-07-06 → 2026-07-26 · 2 obs

● 2015-07-06 22:15:08
● 2026-07-26 13:29:08

●A212.114.110.1312021-09-15 → 2026-07-26 · 3 obs

○ 2016-07-12 20:15:08
● 2021-09-15 15:51:08
● 2026-07-26 13:29:08

○A82.150.137.2342015-07-06 → 2016-07-12 · 4 obs

● 2015-07-06 22:15:08
● 2016-07-12 20:15:08
○ 2021-09-15 15:51:08
○ 2026-07-26 13:29:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
nl	ns1.dns.nl, ns3.dns.nl, ns4.dns.nl	-
webconcurrent.nl	dns1.hosted.nl, dns2.hosted.nl, dns3.hosted.nl	5 records

✅ Authoritative Response

Server:185.214.150.35

NS records: dns1.hosted.nl, dns2.hosted.nl, dns3.hosted.nl

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for webconcurrent.nl (unsigned zone)

⏱️ Timing

Total: 331ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`212.114.110.131`
NS	3	`dns2.hosted.nl, dns1.hosted.nl...`
MX	1	`webconcurrent-nl.mail.protection.outlook`
TXT	1	`v=spf1 a mx ip4:212.114.110.131 include:`
SOA	1	`dns1.hosted.nl support.hosted.nl`

📌 Glue Records Collected

Total: 5

Out-of-bailiwick: 5 (dns1.hosted.nl, dns2.hosted.nl, dns2.hosted.nl...)

Analysis

Hierarchy

webconcurrent.nl has four subdomains: server01.webconcurrent.nl, ns1.webconcurrent.nl, mail.webconcurrent.nl and ns2.webconcurrent.nl.

IP Addresses

webconcurrent.nl points to a single IP number: 212.114.110.131.

Additional host names — mrvl.nl, ns2.webconcurrent.nl, cemonta.com and two others — share IP numbers with webconcurrent.nl.

Name Servers

webconcurrent.nl has three name servers — dns1.hosted.nl, dns2.hosted.nl and dns3.hosted.nl.

There is at least partial name server overlap between webconcurrent.nl and other domains — restaurantvogelhuistexel.nl, scrh.nl, deluchtin.nl and two more among them.

The name servers dns1.whitelabelsolutions.nl, dns2.whitelabelsolutions.nl and dns3.whitelabelsolutions.nl are often found in combination with these name servers.

Each of dns1.hosted.nl, dns2.hosted.nl and dns3.hosted.nl points to two IP numbers. dns1.hosted.nl points to 91.230.244.50 and 2001:7b8:60c:1:4:47:10:1. dns2.hosted.nl points to 185.214.150.35 and 2a0b:9cc0:150:35::1. dns3.hosted.nl points to 217.18.64.10 and 2a00:19c0:a064:10::1.

Mail Servers

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

webconcurrent-nl.mail.protection.outlook.com points to 8 IP numbers: 52.101.68.27, 52.101.68.32, 52.101.73.8 and 5 other.