concepts.nl - robtex.com
concepts.nl
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 31.3.102.96🇳🇱 TRANSIP-AS31.3.102.0/23 | ||||||
| PTR | vps8772.tamaela.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 | mx.kpnmail.nl ⭐ | ||||||
| A | 195.121.65.158🇳🇱 PT195.121.64.0/18 PIADDR | ||||||
| PTR | mgw.kpnxchange.com | ||||||
| PTR | mx.kpnmail.nl | ||||||
| PTR | mailin.simyo.nl | ||||||
| PTR | mail01.wxs.nl | ||||||
| PTR | mail02.wxs.nl | ||||||
| TXT | v=spf1 include:spf.ews.kpnxchange.com ?all | ||||||
| SOA | ns1.kpn.netzonemaster@kpn.com 2026-03-12 #1 | ||||||
nl
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns1.dns.nl ⭐ 🔒 | ||||||
| NS | ns3.dns.nl 🔒 | ||||||
| NS | ns4.dns.nl 🔒 | ||||||
| TXT | nl zone update: 2026-03-15 06:00:02 +0000 (EPOCH 1773554402) | ||||||
| SOA | ns1.dns.nldns@sidn.nl 2026-03-15 #12 | ||||||
rank #5024 in the tld
📈 Tranco rank: #650,744
Subdomains
www.concepts.nl |
pop3.concepts.nl |
dns2.concepts.nl |
imap.concepts.nl |
domain-mail.concepts.nl |
mail.concepts.nl |
smtp.concepts.nl |
Same first word
Similar names
DNS History
13 records (4 active, 9 former)
○NSns1.concepts-ict.nl2015-09-04 → 2020-04-22 · 4 obs
● 2020-04-22 01:03:04
○ 2021-04-15 01:09:26
○ 2026-03-17 13:54:36
●NSns1.kpn.net2021-04-15 → 2026-03-17 · 3 obs
● 2021-04-15 01:09:26
● 2026-03-17 13:54:36
●NSns11.kpn.net2021-04-15 → 2026-03-17 · 3 obs
● 2021-04-15 01:09:26
● 2026-03-17 13:54:36
○NSns2.concepts-ict.nl2015-09-04 → 2020-04-22 · 4 obs
● 2020-04-22 01:03:04
○ 2021-04-15 01:09:26
○ 2026-03-17 13:54:36
●MXmx.kpnmail.nl2021-04-15 → 2026-03-17 · 3 obs
● 2021-04-15 01:09:26
● 2026-03-17 13:54:36
○MXmx1.concepts.nl2015-09-04 → 2020-04-22 · 4 obs
● 2020-04-22 01:03:04
○ 2021-04-15 01:09:26
○ 2026-03-17 13:54:36
○MXmx2.concepts.nl2015-09-04 → 2020-04-22 · 4 obs
● 2020-04-22 01:03:04
○ 2021-04-15 01:09:26
○ 2026-03-17 13:54:36
○MXmx3.concepts.nl2015-09-04 → 2020-04-22 · 4 obs
● 2020-04-22 01:03:04
○ 2021-04-15 01:09:26
○ 2026-03-17 13:54:36
○MXmx4.concepts.nl2015-09-04 → 2020-04-22 · 4 obs
● 2020-04-22 01:03:04
○ 2021-04-15 01:09:26
○ 2026-03-17 13:54:36
○MXmx5.concepts.nl2015-09-04 → 2020-04-22 · 4 obs
● 2020-04-22 01:03:04
○ 2021-04-15 01:09:26
○ 2026-03-17 13:54:36
○A2001:838:2:2:213:148:249:242015-09-04 → 2015-12-14 · 4 obs
● 2015-12-14 21:59:56
○ 2016-01-07 15:29:48
○ 2026-03-17 13:54:36
○A213.148.249.242015-09-04 → 2015-12-14 · 4 obs
● 2015-12-14 21:59:56
○ 2016-01-07 15:29:48
○ 2026-03-17 13:54:36
●A31.3.102.962016-01-07 → 2026-03-17 · 3 obs
● 2016-01-07 15:29:48
● 2026-03-17 13:54:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| nl | ns1.dns.nl, ns3.dns.nl, ns4.dns.nl | - |
| concepts.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: 1174ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 31.3.102.96 |
| NS | 2 | ns11.kpn.net, ns1.kpn.net |
| MX | 1 | mx.kpnmail.nl (pri: 10) |
| TXT | 1 | v=spf1 include:spf.ews.kpnxchange.com ?a |
| SOA | 1 | ns1.kpn.net zonemaster.kpn.com |
Analysis
Hierarchy
concepts.nl is a parent of www.concepts.nl, pop3.concepts.nl, dns2.concepts.nl, imap.concepts.nl and domain-mail.concepts.nl, plus a few other host names.
IP Addresses
concepts.nl resolves to one IP number: 31.3.102.96.
Other host names, for instance penaltydokters.nl, tamaela.com, organicflavours.nl, rtwt.nl and tamaela.nl share IP numbers with concepts.nl.
Name Servers
concepts.nl's delegation uses two name servers: ns11.kpn.net and ns1.kpn.net.
concepts.nl uses the same name server setup as other domains, such as famvermeulen.demon.nl, kpngroup.it, isalaouderenzorg.com, stanley.nl and amld.demon.nl.
concepts.nl at least partially shares name servers with other domains, for example freelerzakelijk.nl.
Host names with two IPs:
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
A single mail server handles concepts.nl, mx.kpnmail.nl.
concepts.nl shares the same mail server setup as other domains, for instance tubesworld.net, h89220135175.dsl.speedlinq.nl, h8441148107.dsl.speedlinq.nl, beuger.nl and hve.demon.nl.
concepts.nl shares at least some mail servers with other domains, for instance edixo.net, notefly.org and leuring.eu.
These mail servers are often used together with the mail servers _dc-mx.08dfd8427d3d.edixo.net.
Host name mx.kpnmail.nl resolves to a single IP: 195.121.65.158.