`kpnacademy.com`

DNSSEC	🔒 Signed (DS record present)
A	52.18.216.171^{🇮🇪 Amazon52.18.0.0/15 EC2 DUB prefix}
		PTR	`ec2-52-18-216-171.eu-west-1.compute.amazonaws.com`
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	`lb.mailscanner.nxs.nl` ⭐
		A	217.115.197.3^{🇳🇱 KPN-INTERNEDSERVICES217.115.192.0/20 KPN Internedservices}
			PTR	`spamfilter.internedserviceshelpdesk.nl`
			PTR	`spam1.redbee.nl`
			PTR	`spam2.redbee.nl`
			PTR	`spam3.redbee.nl`
			PTR	`mailscanner.werkonline.nu`
			PTR	`lb.mailscanner.nxs.nl`
			PTR	`lb.mailscanner.werkonline.nu`
TXT	`v=spf1 -all`
SOA	`ns1.kpn.net`zonemaster@kpn.com 2026-04-23 #1

`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=1777222776

Subdomains

www.kpnacademy.com

Same first word

kpnacademy.com

DNS History

6 records (4 active, 2 former)

●NSns1.kpn.net2015-06-11 → 2026-04-26 · 2 obs

● 2015-06-11 21:42:10
● 2026-04-26 17:02:56

●NSns11.kpn.net2026-04-07 → 2026-04-26 · 3 obs

○ 2019-01-22 03:21:34
● 2026-04-07 19:15:42
● 2026-04-26 17:02:56

○NSns2.kpn.net2015-06-11 → 2019-01-22 · 4 obs

● 2015-06-11 21:42:10
● 2019-01-22 03:21:34
○ 2026-04-07 19:15:42
○ 2026-04-26 17:02:56

●MXlb.mailscanner.nxs.nl2015-06-11 → 2026-04-26 · 2 obs

● 2015-06-11 21:42:10
● 2026-04-26 17:02:56

○A213.214.103.252015-06-11 → 2019-01-22 · 4 obs

● 2015-06-11 21:42:10
● 2019-01-22 03:21:34
○ 2026-04-07 19:15:42
○ 2026-04-26 17:02:56

●A52.18.216.1712026-04-07 → 2026-04-26 · 3 obs

○ 2019-01-22 03:21:34
● 2026-04-07 19:15:42
● 2026-04-26 17:02:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
kpnacademy.com	ns1.kpn.net, ns11.kpn.net	-

✅ Authoritative Response

Server:213.75.63.33

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

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 650ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`52.18.216.171`
NS	2	`ns11.kpn.net, ns1.kpn.net`
MX	1	`lb.mailscanner.nxs.nl (pri: 10)`
TXT	1	`v=spf1 -all`
SOA	1	`ns1.kpn.net zonemaster.kpn.com`

Analysis

Hierarchy

kpnacademy.com is the parent of www.kpnacademy.com.

IP Addresses

kpnacademy.com points to IP number 52.18.216.171.

For instance, other host names yestelecom.nl, www.nic.kpn, homexs.nl, wxs.nl and nic.kpn share IP numbers with kpnacademy.com.

Name Servers

kpnacademy.com is delegated to two name servers: ns11.kpn.net and ns1.kpn.net.

kpnacademy.com uses the same name server setup as other domains such as voorbeeldbv.nl, kpnbrandportal.com, xs4u2.com, treesync.org and elsenhoff.demon.nl.

kpnacademy.com shares name servers with other domains at least partially, for instance telfort.my and roundcube.co.za.

Host names with two IP numbers:

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

Mail Servers

kpnacademy.com is handled by a single mail server, lb.mailscanner.nxs.nl.

kpnacademy.com shares the same mail server setup as other domains, for instance faaswilkes.com, echocentra.nl, medupoint.nl, ucentraal.nl and shopkpn.com.

kpnacademy.com shares mail servers with other domains at least partially; for instance hoezenkwaliteitscontrole.nl, archaeology.nl, henqinvest.com, kdboer.net and quadraten.com.

these mail servers are commonly used alongside fallback2.mx.nxs.nl and fallback1.mx.nxs.nl.

lb.mailscanner.nxs.nl points to a single IP: 217.115.197.3.

kpnacademy.com - robtex.com

kpnacademy.com

com