doctr.nl - dns.ninja

doctr.nl

DNSSEC🔒 Signed (DS record present)
A136.144.208.252🇳🇱 TRANSIP-AS136.144.128.0/17 TransIP BV Amsterdam, The Netherlands
PTR136-144-208-252.colo.transip.net
NSns1.thednscompany.com ⭐
A2a02:cc9:0:63::233🇳🇱 LEASEWEB-NL-AMS-012a02:cc9::/32
PTRns1.thednscompany.com
A185.145.63.233🇳🇱 LEASEWEB-NL-AMS-01185.145.60.0/22
PTRns1.thednscompany.com
NSns2.thednscompany.com
A2001:1af8:4700:a112:13::50🇳🇱 LEASEWEB-NL-AMS-012001:1af8::/32 NL-LEASEWEB-20040408 Leaseweb
PTRns2.thednscompany.com
A37.48.115.145🇳🇱 LEASEWEB-NL-AMS-0137.48.64.0/18 LEASEWEB
PTRns2.thednscompany.com
NSns3.thednscompany.com
A2a01:7c8:aab5:5b3::1🇳🇱 TRANSIP-AS2a01:7c8::/32 TransIP B.V. Amsterdam IPv6 network
PTRns3.thednscompany.com
A149.210.192.124🇳🇱 TRANSIP-AS149.210.128.0/17 TransIP BV Amsterdam, The Netherlands
PTRns3.thednscompany.com
SOAns1.thednscompany.comns1@thednscompany.com 2023-01-13 #5

nl

DNSSEC🔒 Signed (DS record present)
NSns1.dns.nl ⭐
NSns3.dns.nl
NSns4.dns.nl
TXTnl zone update: 2026-06-23 18:30:01 +0000 (EPOCH 1782239401)
SOAns1.dns.nldns@sidn.nl 2026-06-23 #37

Same first word

doctr.nl
doctr.eu
doctr.co
doctr.us
doctr.com
doctr.in
doctr.be
doctr.de
doctr.org
doctr.ca
doctr.net

Similar names

ocdrt.com
crdot.us
rctdo.com
dcrto.com
dotrc.com
odctr.com
drotc.com
dotrc.de
rtdoc.net
drtoc.com
cordt.eu
dctor.com
dtrco.com
otcdr.com
cordt.at
rtdco.com
dtrco.ir
codrt.fr
cordt.info
cdtor.ru
cordt.net
cordt.de
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cordt.dk
rtdoc.com
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trdco.cn
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cdrot.com
dcotr.com
cordt.com
rdtco.com
octdr.com
cordt.biz
ctdor.com
crdot.com
rtdoc.us

DNS History

13 records (4 active, 9 former)

20162017201820192020202120222023202420252026NSns1.thednscompany.comns2.thednscompany.comns3.thednscompany.comns0.transip.netns1.transip.nlns2.transip.euMXfallback.intermax.nlmx1.intermax.nlmx2.intermax.nlmx3.intermax.nlA136.144.208.25280.112.236.18392.42.234.105
○NSns0.transip.net2015-07-25 → 2017-02-20 · 4 obs
● 2015-07-25 23:05:16
● 2017-02-20 09:30:30
○ 2020-02-04 17:31:58
○ 2026-06-23 19:06:14
●NSns1.thednscompany.com2020-02-04 → 2026-06-23 · 3 obs
○ 2017-02-20 09:30:30
● 2020-02-04 17:31:58
● 2026-06-23 19:06:14
○NSns1.transip.nl2015-07-25 → 2017-02-20 · 4 obs
● 2015-07-25 23:05:16
● 2017-02-20 09:30:30
○ 2020-02-04 17:31:58
○ 2026-06-23 19:06:14
●NSns2.thednscompany.com2020-02-04 → 2026-06-23 · 3 obs
○ 2017-02-20 09:30:30
● 2020-02-04 17:31:58
● 2026-06-23 19:06:14
○NSns2.transip.eu2015-07-25 → 2017-02-20 · 4 obs
● 2015-07-25 23:05:16
● 2017-02-20 09:30:30
○ 2020-02-04 17:31:58
○ 2026-06-23 19:06:14
●NSns3.thednscompany.com2020-02-04 → 2026-06-23 · 3 obs
○ 2017-02-20 09:30:30
● 2020-02-04 17:31:58
● 2026-06-23 19:06:14
○MXfallback.intermax.nl2015-07-25 → 2016-02-24 · 4 obs
● 2015-07-25 23:05:16
● 2016-02-24 16:24:10
○ 2016-06-24 23:37:40
○ 2026-06-23 19:06:14
○MXmx1.intermax.nl2015-07-25 → 2016-02-24 · 4 obs
● 2015-07-25 23:05:16
● 2016-02-24 16:24:10
○ 2016-06-24 23:37:40
○ 2026-06-23 19:06:14
○MXmx2.intermax.nl2015-07-25 → 2016-02-24 · 4 obs
● 2015-07-25 23:05:16
● 2016-02-24 16:24:10
○ 2016-06-24 23:37:40
○ 2026-06-23 19:06:14
○MXmx3.intermax.nl2015-07-25 → 2016-02-24 · 4 obs
● 2015-07-25 23:05:16
● 2016-02-24 16:24:10
○ 2016-06-24 23:37:40
○ 2026-06-23 19:06:14
●A136.144.208.2522026-02-17 → 2026-06-23 · 3 obs
○ 2020-02-04 17:31:58
● 2026-02-17 01:50:42
● 2026-06-23 19:06:14
○A80.112.236.1832015-07-25 → 2016-02-24 · 4 obs
● 2015-07-25 23:05:16
● 2016-02-24 16:24:10
○ 2016-06-24 23:37:40
○ 2026-06-23 19:06:14
○A92.42.234.1052016-06-24 → 2020-02-04 · 5 obs
○ 2016-02-24 16:24:10
● 2016-06-24 23:37:40
● 2020-02-04 17:31:58
○ 2026-02-17 01:50:42
○ 2026-06-23 19:06:14

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
nlns1.dns.nl, ns3.dns.nl, ns4.dns.nl-
doctr.nlns3.thednscompany.com, ns1.thednscompany.com, ns2.thednscompany.com-

✅ Authoritative Response

Server:37.48.115.145

NS records: ns3.thednscompany.com, ns1.thednscompany.com, ns2.thednscompany.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1591ms | Queries: -

📄 Records

TypeCountSample Data
A1136.144.208.252
NS3ns3.thednscompany.com, ns1.thednscompany.com...
SOA1ns1.thednscompany.com ns1.thednscompany.

Analysis

IP Addresses

doctr.nl points to a single IP number: 136.144.208.252.

Additional host names — www.prostaat.nl, aspirine.nl, insectengif.nl and two others — share IP numbers with doctr.nl.

Name Servers

doctr.nl carries NS records delegating to ns1.thednscompany.com, ns2.thednscompany.com and ns3.thednscompany.com.

doctr.nl shares at least some of its name servers with other domains, including funera.de, carinthia-appartements.at, school-laptop.com and two others.

ns1.thednscompany.com, ns2.thednscompany.com and ns3.thednscompany.com are three hostnames that each resolve to a pair of IP addresses: ns1.thednscompany.com to 185.145.63.233 and 2a02:cc9:0:63::233, ns2.thednscompany.com to 37.48.115.145 and 2001:1af8:4700:a112:13::50, and ns3.thednscompany.com to 149.210.192.124 and 2a01:7c8:aab5:5b3::1.