duop.nl - robtex.com

Check domain reputation for duop.nl →

duop.nl

DNSSEC⚠️ Not signed
A2a00:f48:2000:8::165🇩🇪 TTM2a00:f48::/32 IP Routing by 23M.com
A62.113.254.165🇩🇪 TTM62.113.192.0/18 IP Routing by 23M.com
NSns1.vm223.halvar.cloud ⭐
A2a00:f48:2000:8::165🇩🇪 TTM2a00:f48::/32 IP Routing by 23M.com
A62.113.254.165🇩🇪 TTM62.113.192.0/18 IP Routing by 23M.com
NSns2.vm223.halvar.cloud
A2a00:f48:2000:8::165🇩🇪 TTM2a00:f48::/32 IP Routing by 23M.com
A62.113.254.165🇩🇪 TTM62.113.192.0/18 IP Routing by 23M.com
MXduop.nl ⭐
A2a00:f48:2000:8::165🇩🇪 TTM2a00:f48::/32 IP Routing by 23M.com
A62.113.254.165🇩🇪 TTM62.113.192.0/18 IP Routing by 23M.com
TXTv=spf1 +a +mx +ip4:62.113.254.165 ~all
SOAns1.vm223.halvar.cloudtech@bitency.net 2026-07-28 #1

nl

DNSSEC🔒 Signed (DS record present)
NSns1.dns.nl ⭐
NSns3.dns.nl
NSns4.dns.nl
TXTnl zone update: 2026-08-14 16:00:01 +0000 (EPOCH 1786723201)
SOAns1.dns.nldns@sidn.nl 2026-08-14 #32

MX for

duop.nl

Same first word

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DNS History

15 records (5 active, 10 former)

20162017201820192020202120222023202420252026NSns1.vm223.halvar.cloudns2.vm223.halvar.cloudns.nlhosting.netns1.nlhosting.netns1.openprovider.nlns2.openprovider.bens3.openprovider.euMXduop.nlmail.duop.nlserver1.mailfilters.euserver2.mailfilters.euA2a00:f48:2000:8::16562.113.254.165136.144.149.126213.132.211.11
○NSns.nlhosting.net2015-06-30 → 2017-01-19 · 4 obs
● 2015-06-30 10:26:16
● 2017-01-19 07:44:04
○ 2018-07-20 15:41:20
○ 2026-08-14 16:49:46
○NSns1.nlhosting.net2015-06-30 → 2017-01-19 · 4 obs
● 2015-06-30 10:26:16
● 2017-01-19 07:44:04
○ 2018-07-20 15:41:20
○ 2026-08-14 16:49:46
○NSns1.openprovider.nl2018-07-20 → 2018-07-20 · 4 obs
○ 2017-01-19 07:44:04
● 2018-07-20 15:41:20
○ 2026-07-07 20:17:10
○ 2026-08-14 16:49:46
●NSns1.vm223.halvar.cloud2026-07-07 → 2026-08-14 · 3 obs
○ 2018-07-20 15:41:20
● 2026-07-07 20:17:10
● 2026-08-14 16:49:46
○NSns2.openprovider.be2018-07-20 → 2018-07-20 · 4 obs
○ 2017-01-19 07:44:04
● 2018-07-20 15:41:20
○ 2026-07-07 20:17:10
○ 2026-08-14 16:49:46
●NSns2.vm223.halvar.cloud2026-07-07 → 2026-08-14 · 3 obs
○ 2018-07-20 15:41:20
● 2026-07-07 20:17:10
● 2026-08-14 16:49:46
○NSns3.openprovider.eu2018-07-20 → 2018-07-20 · 4 obs
○ 2017-01-19 07:44:04
● 2018-07-20 15:41:20
○ 2026-07-07 20:17:10
○ 2026-08-14 16:49:46
●MXduop.nl2026-07-07 → 2026-08-14 · 3 obs
○ 2018-07-20 15:41:20
● 2026-07-07 20:17:10
● 2026-08-14 16:49:46
○MXmail.duop.nl2018-07-20 → 2018-07-20 · 4 obs
○ 2017-01-19 07:44:04
● 2018-07-20 15:41:20
○ 2026-07-07 20:17:10
○ 2026-08-14 16:49:46
○MXserver1.mailfilters.eu2015-06-30 → 2017-01-19 · 4 obs
● 2015-06-30 10:26:16
● 2017-01-19 07:44:04
○ 2018-07-20 15:41:20
○ 2026-08-14 16:49:46
○MXserver2.mailfilters.eu2015-06-30 → 2017-01-19 · 4 obs
● 2015-06-30 10:26:16
● 2017-01-19 07:44:04
○ 2018-07-20 15:41:20
○ 2026-08-14 16:49:46
○A136.144.149.1262018-07-20 → 2018-07-20 · 4 obs
○ 2017-01-19 07:44:04
● 2018-07-20 15:41:20
○ 2026-07-07 20:17:10
○ 2026-08-14 16:49:46
○A213.132.211.112015-06-30 → 2017-01-19 · 4 obs
● 2015-06-30 10:26:16
● 2017-01-19 07:44:04
○ 2018-07-20 15:41:20
○ 2026-08-14 16:49:46
●A2a00:f48:2000:8::1652026-07-07 → 2026-08-14 · 3 obs
○ 2018-07-20 15:41:20
● 2026-07-07 20:17:10
● 2026-08-14 16:49:46
●A62.113.254.1652026-07-07 → 2026-08-14 · 3 obs
○ 2018-07-20 15:41:20
● 2026-07-07 20:17:10
● 2026-08-14 16:49:46

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
nlns1.dns.nl, ns4.dns.nl, ns3.dns.nl-
duop.nlns1.vm223.halvar.cloud, ns2.vm223.halvar.cloud-

✅ Authoritative Response

Server:62.113.254.165

NS records: ns1.vm223.halvar.cloud, ns2.vm223.halvar.cloud

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for duop.nl (unsigned zone)

⏱️ Timing

Total: 494ms | Queries: -

📄 Records

TypeCountSample Data
A162.113.254.165
AAAA12a00:f48:2000:8::165
NS2ns2.vm223.halvar.cloud, ns1.vm223.halvar.cloud
MX1duop.nl (pri: 0)
TXT1v=spf1 +a +mx +ip4:62.113.254.165 ~all
SOA1ns1.vm223.halvar.cloud tech.bitency.net

Analysis

Mail Server Role

The MX record for duop.nl points back to duop.nl — it is its own mail server.

IP Addresses

duop.nl has two IP addresses: 62.113.254.165 and 2a00:f48:2000:8::165

Among the host names that share IP numbers with duop.nl are www.bomenpark.nl, beuk.nl, vm223.halvar.cloud and two others.

Name Servers

Two name servers handle the delegation for duop.nl: ns1.vm223.halvar.cloud and ns2.vm223.halvar.cloud.

duop.nl has the same name server delegation as a number of other domains, such as hipco.nl, rianrietveld.com, studiopt.nl and two more.

ns1.vm223.halvar.cloud and ns2.vm223.halvar.cloud each point to two IP numbers — 62.113.254.165 and 2a00:f48:2000:8::165 — making both hosts identical in their DNS resolution.

ns1.vm223.halvar.cloud along with ns2.vm223.halvar.cloud each resolve to 2a00:f48:2000:8::165 IP addresses.

ns1.vm223.halvar.cloud along with ns2.vm223.halvar.cloud each resolve to 62.113.254.165 IP addresses.

Mail Servers

The MX record for duop.nl points to a single mail server: duop.nl.

duop.nl carries two IP numbers: 62.113.254.165 and 2a00:f48:2000:8::165.