kpn - robtex.com
kpn
(root)
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.root-servers.net ⭐ ⚠️ Not in parent delegation | ||||||
| NS | b.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | c.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | d.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | e.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | f.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | g.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | h.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | i.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | j.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | k.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | l.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | m.root-servers.net ⚠️ Not in parent delegation | ||||||
| SOA | a.root-servers.netnstld@verisign-grs.com 2026-05-30 #0 | ||||||
Subdomains
Same first word
Similar names
DNS History
11 records (5 active, 6 former)
●NSa.nic.kpn2018-02-21 → 2026-05-30 · 3 obs
● 2018-02-21 15:39:54
● 2026-05-30 16:22:38
○NSa.ns.nic.kpn2016-01-01 → 2017-08-25 · 4 obs
● 2017-08-25 11:38:24
○ 2018-02-21 15:39:54
○ 2026-05-30 16:22:38
●NSb.nic.kpn2018-02-21 → 2026-05-30 · 3 obs
● 2018-02-21 15:39:54
● 2026-05-30 16:22:38
●NSc.nic.kpn2018-02-21 → 2026-05-30 · 3 obs
● 2018-02-21 15:39:54
● 2026-05-30 16:22:38
○NSc.ns.nic.kpn2016-01-01 → 2017-08-25 · 4 obs
● 2017-08-25 11:38:24
○ 2018-02-21 15:39:54
○ 2026-05-30 16:22:38
●NSd.nic.kpn2018-02-21 → 2026-05-30 · 3 obs
● 2018-02-21 15:39:54
● 2026-05-30 16:22:38
●NSns0.centralnic.net2018-02-21 → 2026-05-30 · 3 obs
● 2018-02-21 15:39:54
● 2026-05-30 16:22:38
○NSx.ns.nic.kpn2016-01-01 → 2017-08-25 · 4 obs
● 2017-08-25 11:38:24
○ 2018-02-21 15:39:54
○ 2026-05-30 16:22:38
○NSy.ns.nic.kpn2016-01-01 → 2017-08-25 · 4 obs
● 2017-08-25 11:38:24
○ 2018-02-21 15:39:54
○ 2026-05-30 16:22:38
○MXyour-dns-needs-immediate-attention.kpn2016-01-01 → 2016-06-25 · 4 obs
● 2016-06-25 21:57:56
○ 2016-07-20 19:32:08
○ 2026-05-30 16:22:38
○A127.0.53.532016-01-01 → 2016-06-25 · 4 obs
● 2016-06-25 21:57:56
○ 2016-07-20 19:32:08
○ 2026-05-30 16:22:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| kpn | b.nic.kpn, d.nic.kpn, a.nic.kpn, c.nic.kpn | 8 records |
✅ Authoritative Response
Server:185.24.64.90
NS records: b.nic.kpn, d.nic.kpn, a.nic.kpn, c.nic.kpn
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 305ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | c.nic.kpn, a.nic.kpn... |
| SOA | 1 | ns0.centralnic.net hostmaster.centralnic |
📌 Glue Records Collected
Total: 8
In-bailiwick: 8 (b.nic.kpn, b.nic.kpn, d.nic.kpn...)
Analysis
Hierarchy
The host names aboutus.kpn, corporate.kpn, events.kpn, mijn.kpn and mobiel.kpn — among a few others — fall under the parent domain kpn.
Name Servers
The zone kpn is authoritative on 5 name servers: a.nic.kpn, b.nic.kpn, c.nic.kpn and two additional ones.
At least some of kpn's name servers are shared with other domains, for example nic.kpn, auto, mini and two more.
It is common to see these name servers paired with ns0.centralnic.net, ns1.centralnic.net, ns2.centralnic.net and seven other name servers.
Hostnames that resolve to 4 IP addresses:
ns0.centralnic.net directs to 54.217.78.230, 63.34.52.177, 2a05:d018:4a2:c101::150 and 2a05:d018:4a2:c102::150.
Hostnames that resolve to two IP addresses:
a.nic.kpn resolves to two addresses: 194.169.218.90 and 2001:67c:13cc::1:90.
b.nic.kpn resolves to two addresses: 185.24.64.90 and 2a04:2b00:13cc::1:90.
c.nic.kpn resolves to two addresses: 212.18.248.90 and 2a04:2b00:13ee::90.
d.nic.kpn resolves to two addresses: 212.18.249.90 and 2a04:2b00:13ff::90.