`telcentrum.nl`

DNSSEC	🔒 Signed (DS record present)
NS	`ns11.kpn.net` ⭐
		A	2a02:a47f:ac:1::1153^{🇳🇱 KPN2a02:a400::/25 B.V.}
			PTR	`ns11.kpn.net`
			PTR	`ns1.widexs.net`
			PTR	`ns01.is.nl`
			PTR	`ns1.widexs.nl`
		A	213.75.63.33^{🇳🇱 PT213.75.0.0/17 PIADDR}
			PTR	`ns11.kpn.net`
			PTR	`ns1.widexs.net`
			PTR	`ns01.is.nl`
			PTR	`ns1.widexs.nl`
NS	`ns1.kpn.net`
		A	2a02:a47f:ac:1::153^{🇳🇱 KPN2a02:a400::/25 B.V.}
			PTR	`ns1.kpn.net`
		A	194.151.228.10^{🇩🇪 KPN194.151.224.0/19 B.V.}
			PTR	`ns1.kpn.net`
MX	`mail.telcentrum.nl` ⭐
		A	194.120.157.174^{🇬🇧 KPN194.120.152.0/21 B.V.}
			PTR	`mail.telcentrum.nl`
SOA	`ns1.kpn.net`zonemaster@kpn.com 2026-04-16 #1

`nl`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns1.dns.nl` ⭐
	NS	`ns3.dns.nl`
	NS	`ns4.dns.nl`
	TXT	`nl zone update: 2026-04-19 14:00:01 +0000 (EPOCH 1776607201)`
	SOA	`ns1.dns.nl`dns@sidn.nl 2026-04-19 #28

Subdomains

mail.telcentrum.nl

Same first word

telcentrum.nl

Similar names

cluttermen.com

DNS History

6 records (3 active, 3 former)

●NSns1.kpn.net2020-02-21 → 2026-04-19 · 3 obs

○ 2017-03-14 12:42:48
● 2020-02-21 08:59:36
● 2026-04-19 14:49:24

●NSns11.kpn.net2026-03-26 → 2026-04-19 · 3 obs

○ 2020-02-21 08:59:36
● 2026-03-26 15:22:08
● 2026-04-19 14:49:24

○NSns2.kpn.net2020-02-21 → 2020-02-21 · 4 obs

○ 2017-03-14 12:42:48
● 2020-02-21 08:59:36
○ 2026-03-26 15:22:08
○ 2026-04-19 14:49:24

○NSns5.kpn.net2015-08-06 → 2017-03-14 · 4 obs

● 2015-08-06 20:11:58
● 2017-03-14 12:42:48
○ 2020-02-21 08:59:36
○ 2026-04-19 14:49:24

○NSns6.kpn.net2015-08-06 → 2017-03-14 · 4 obs

● 2015-08-06 20:11:58
● 2017-03-14 12:42:48
○ 2020-02-21 08:59:36
○ 2026-04-19 14:49:24

●MXmail.telcentrum.nl2015-08-06 → 2026-04-19 · 2 obs

● 2015-08-06 20:11:58
● 2026-04-19 14:49:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
nl	ns3.dns.nl, ns1.dns.nl, ns4.dns.nl	-
telcentrum.nl	ns1.kpn.net, ns11.kpn.net	-

✅ Authoritative Response

Server:194.151.228.10

NS records: ns1.kpn.net, ns11.kpn.net

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 686ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`ns1.kpn.net, ns11.kpn.net`
MX	1	`mail.telcentrum.nl (pri: 10)`
SOA	1	`ns1.kpn.net zonemaster.kpn.com`

Analysis

Hierarchy

telcentrum.nl is the parent of mail.telcentrum.nl.

Name Servers

telcentrum.nl is delegated to two name servers ns11.kpn.net and ns1.kpn.net.

telcentrum.nl shares the same name server setup as other domains, for instance knoware.nl, kpn.systems, simijo.nl, onezone.biz and nabrmd.demon.nl.

telcentrum.nl shares at least some name servers with other domains, for example kpndrm.nl, lincherie.org and direct-adsl.nl.

these name servers are commonly used alongside ns12.kpn.net.

Host names with two IP numbers:

The host name ns11.kpn.net points to 2a02:a47f:ac:1::1153 and 213.75.63.33; the host name ns1.kpn.net points to 2a02:a47f:ac:1::153 and 194.151.228.10.

Mail Servers

telcentrum.nl is handled by a single mail server, mail.telcentrum.nl.

mail.telcentrum.nl resolves to IP 194.120.157.174.

telcentrum.nl - robtex.com

telcentrum.nl

nl