`congrescentrum.nl`

DNSSEC	⚠️ Not signed
A	2a01:7e01::f03c:93ff:fe9e:1ce9^{🇩🇪 AKAMAI-LINODE-AP2a01:7e01::/32 Akamai Technologies}
		PTR	`bb.hostingandmore.nl`
A	172.105.244.200^{🇩🇪 AKAMAI-LINODE-AP172.105.244.0/22 Akamai Technologies}
NS	`ns1.linode.com` ⭐
		A	2600:14c0:6::2^{🇺🇸 Akamai2600:14c0:6::/48 Technologies}
			PTR	`c1-2.akashield.net`
		A	92.123.94.2^{🇳🇱 Akamai92.123.94.0/24 Technologies}
			PTR	`c1-2.akashield.net`
NS	`ns2.linode.com`
		A	2600:14c0:6::3^{🇺🇸 Akamai2600:14c0:6::/48 Technologies}
			PTR	`c1-3.akashield.net`
		A	92.123.94.3^{🇳🇱 Akamai92.123.94.0/24 Technologies}
			PTR	`c1-3.akashield.net`
NS	`ns3.linode.com`
		A	2600:14c0:7::3^{🇺🇸 Akamai2600:14c0:7::/48 Technologies}
			PTR	`c2-3.akashield.net`
		A	92.123.95.3^{🇳🇱 Akamai92.123.95.0/24 Technologies}
			PTR	`c2-3.akashield.net`
NS	`ns4.linode.com`
		A	2600:14c0:7::4^{🇺🇸 Akamai2600:14c0:7::/48 Technologies}
			PTR	`c2-4.akashield.net`
		A	92.123.95.4^{🇳🇱 Akamai92.123.95.0/24 Technologies}
			PTR	`c2-4.akashield.net`
NS	`ns5.linode.com`
		A	2600:14c0:7::2^{🇺🇸 Akamai2600:14c0:7::/48 Technologies}
			PTR	`c2-2.akashield.net`
		A	92.123.95.2^{🇳🇱 Akamai92.123.95.0/24 Technologies}
			PTR	`c2-2.akashield.net`
MX	`mail.congrescentrum.nl` ⭐
TXT	`v=spf1 a mx ~all`
SOA	`ns1.linode.com`andy\@newby.gmail.com serial=2021000002

`nl`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns1.dns.nl` ⭐
	NS	`ns3.dns.nl`
	NS	`ns4.dns.nl`
	TXT	`nl zone update: 2026-04-14 19:00:01 +0000 (EPOCH 1776193201)`
	SOA	`ns1.dns.nl`dns@sidn.nl 2026-04-14 #38

Same first word

congrescentrum.be

congrescentrum.nl

DNS History

15 records (8 active, 7 former)

○NSns1.exonet.nl2015-06-13 → 2019-12-20 · 4 obs

● 2015-06-13 01:05:32
● 2019-12-20 14:55:06
○ 2026-03-25 03:59:48
○ 2026-04-14 19:53:14

●NSns1.linode.com2026-03-25 → 2026-04-14 · 3 obs

○ 2019-12-20 14:55:06
● 2026-03-25 03:59:48
● 2026-04-14 19:53:14

○NSns2.exonet.nl2015-06-13 → 2019-12-20 · 4 obs

● 2015-06-13 01:05:32
● 2019-12-20 14:55:06
○ 2026-03-25 03:59:48
○ 2026-04-14 19:53:14

●NSns2.linode.com2026-03-25 → 2026-04-14 · 3 obs

○ 2019-12-20 14:55:06
● 2026-03-25 03:59:48
● 2026-04-14 19:53:14

○NSns3.exonet.eu2017-03-18 → 2019-12-20 · 5 obs

○ 2016-07-20 23:40:00
● 2017-03-18 22:17:38
● 2019-12-20 14:55:06
○ 2026-03-25 03:59:48
○ 2026-04-14 19:53:14

○NSns3.exonet.nl2015-06-13 → 2016-07-20 · 4 obs

● 2015-06-13 01:05:32
● 2016-07-20 23:40:00
○ 2017-03-18 22:17:38
○ 2026-04-14 19:53:14

●NSns3.linode.com2026-03-25 → 2026-04-14 · 3 obs

○ 2019-12-20 14:55:06
● 2026-03-25 03:59:48
● 2026-04-14 19:53:14

●NSns4.linode.com2026-03-25 → 2026-04-14 · 3 obs

○ 2019-12-20 14:55:06
● 2026-03-25 03:59:48
● 2026-04-14 19:53:14

●NSns5.linode.com2026-03-25 → 2026-04-14 · 3 obs

○ 2019-12-20 14:55:06
● 2026-03-25 03:59:48
● 2026-04-14 19:53:14

●MXmail.congrescentrum.nl2015-06-13 → 2026-04-14 · 2 obs

● 2015-06-13 01:05:32
● 2026-04-14 19:53:14

●A172.105.244.2002026-03-25 → 2026-04-14 · 3 obs

○ 2019-12-20 14:55:06
● 2026-03-25 03:59:48
● 2026-04-14 19:53:14

○A178.22.63.702016-03-28 → 2019-12-20 · 5 obs

○ 2016-01-03 16:38:00
● 2016-03-28 07:14:14
● 2019-12-20 14:55:06
○ 2026-03-25 03:59:48
○ 2026-04-14 19:53:14

○A213.193.246.662015-06-13 → 2016-01-03 · 4 obs

● 2015-06-13 01:05:32
● 2016-01-03 16:38:00
○ 2016-03-28 07:14:14
○ 2026-04-14 19:53:14

○A2a00:1e28:3:2420::12019-12-20 → 2019-12-20 · 4 obs

○ 2016-03-28 07:14:14
● 2019-12-20 14:55:06
○ 2026-03-25 03:59:48
○ 2026-04-14 19:53:14

●A2a01:7e01::f03c:93ff:fe9e:1ce92026-03-25 → 2026-04-14 · 3 obs

○ 2019-12-20 14:55:06
● 2026-03-25 03:59:48
● 2026-04-14 19:53:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
nl	ns1.dns.nl, ns3.dns.nl, ns4.dns.nl	-
congrescentrum.nl	ns1.linode.com, ns2.linode.com, ns3.linode.com, ns4.linode.com...	-

✅ Authoritative Response

Server:92.123.95.4

NS records: ns1.linode.com, ns2.linode.com, ns3.linode.com, ns4.linode.com, ns5.linode.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for congrescentrum.nl (unsigned zone)

⏱️ Timing

Total: 462ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`172.105.244.200`
AAAA	1	`2a01:7e01::f03c:93ff:fe9e:1ce9`
NS	5	`ns2.linode.com, ns1.linode.com...`
MX	1	`mail.congrescentrum.nl (pri: 10)`
TXT	1	`v=spf1 a mx ~all`
SOA	1	`ns1.linode.com andy\.newby.gmail.com`

Analysis

IP Addresses

congrescentrum.nl resolves to two IP numbers: 2a01:7e01::f03c:93ff:fe9e:1ce9 and 172.105.244.200.

other host names including bedrijfsrondvaart.nl, meerdaagsbedrijfsuitje.nl, pa.nl, zakelijk.nl and meerdaagsvergaderen.nl share IP numbers with congrescentrum.nl.

Name Servers

congrescentrum.nl is delegated to five name servers: ns1.linode.com, ns2.linode.com, ns3.linode.com, ns4.linode.com and ns5.linode.com.

congrescentrum.nl at least partially shares name servers with other domains, for instance vfoley.xyz, tarantulabox.xyz, patrimonio-cni.com, rippl.in and sijang.biz.