ofcourse-malmberg.nl - robtex.com

ofcourse-malmberg.nl

DNSSEC⚠️ Not signed
A34.251.58.164🇮🇪 Amazon34.248.0.0/13 EC2 DUB prefix
PTRec2-34-251-58-164.eu-west-1.compute.amazonaws.com
A34.255.57.47🇮🇪 Amazon34.248.0.0/13 EC2 DUB prefix
NSns-1594.awsdns-07.co.uk ⭐
A2600:9000:5306:3a00::1🇺🇸 Amazon2600:9000:5306::/48 - CloudFront
PTRns-1594.awsdns-07.co.uk
A205.251.198.58🇺🇸 Amazon205.251.198.0/24 prefix
PTRns-1594.awsdns-07.co.uk
NSns-1444.awsdns-52.org
A2600:9000:5305:a400::1🇺🇸 Amazon2600:9000:5305::/48 - CloudFront
PTRns-1444.awsdns-52.org
A205.251.197.164🇺🇸 Amazon205.251.197.0/24 prefix
PTRns-1444.awsdns-52.org
NSns-655.awsdns-17.net
A2600:9000:5302:8f00::1🇺🇸 Amazon2600:9000:5302::/48 - CloudFront
PTRns-655.awsdns-17.net
A205.251.194.143🇺🇸 Amazon205.251.194.0/24 prefix
PTRns-655.awsdns-17.net
NSns-82.awsdns-10.com
A2600:9000:5300:5200::1🇺🇸 Amazon2600:9000:5300::/48 - CloudFront
PTRns-82.awsdns-10.com
A205.251.192.82🇺🇸 Amazon205.251.192.0/24 prefix
PTRns-82.awsdns-10.com
MXmailrelay.nltree.nl ⭐
MXmailbackup.nltree.nl(20)
SOAns-1594.awsdns-07.co.ukawsdns-hostmaster@amazon.com serial=1

nl

DNSSEC🔒 Signed (DS record present)
NSns1.dns.nl ⭐
NSns3.dns.nl
NSns4.dns.nl
TXTnl zone update: 2026-04-13 03:30:01 +0000 (EPOCH 1776051001)
SOAns1.dns.nldns@sidn.nl 2026-04-13 #7

Same first word

ofcourse-malmberg.nl

DNS History

17 records (8 active, 9 former)

20162017201820192020202120222023202420252026NSns-1444.awsdns-52.orgns-1594.awsdns-07.co.ukns-655.awsdns-17.netns-82.awsdns-10.comns1.uniserver.nlns2.uniserver.nlns3.uniserver.nlMXmailbackup.nltree.nlmailrelay.nltree.nlA34.251.58.16434.255.57.4731.11.58.6134.249.218.8446.137.58.22752.19.67.5852.51.63.1254.171.122.187
●NSns-1444.awsdns-52.org2017-06-21 → 2026-04-13 · 3 obs
○ 2016-09-25 17:01:40
● 2017-06-21 16:54:20
● 2026-04-13 04:21:14
●NSns-1594.awsdns-07.co.uk2017-06-21 → 2026-04-13 · 3 obs
○ 2016-09-25 17:01:40
● 2017-06-21 16:54:20
● 2026-04-13 04:21:14
●NSns-655.awsdns-17.net2017-06-21 → 2026-04-13 · 3 obs
○ 2016-09-25 17:01:40
● 2017-06-21 16:54:20
● 2026-04-13 04:21:14
●NSns-82.awsdns-10.com2017-06-21 → 2026-04-13 · 3 obs
○ 2016-09-25 17:01:40
● 2017-06-21 16:54:20
● 2026-04-13 04:21:14
○NSns1.uniserver.nl2015-08-18 → 2016-09-25 · 4 obs
● 2015-08-18 14:55:32
● 2016-09-25 17:01:40
○ 2017-06-21 16:54:20
○ 2026-04-13 04:21:14
○NSns2.uniserver.nl2015-08-18 → 2016-09-25 · 4 obs
● 2015-08-18 14:55:32
● 2016-09-25 17:01:40
○ 2017-06-21 16:54:20
○ 2026-04-13 04:21:14
○NSns3.uniserver.nl2015-08-18 → 2016-09-25 · 4 obs
● 2015-08-18 14:55:32
● 2016-09-25 17:01:40
○ 2017-06-21 16:54:20
○ 2026-04-13 04:21:14
●MXmailbackup.nltree.nl2015-08-18 → 2026-04-13 · 2 obs
● 2015-08-18 14:55:32
● 2026-04-13 04:21:14
●MXmailrelay.nltree.nl2015-08-18 → 2026-04-13 · 2 obs
● 2015-08-18 14:55:32
● 2026-04-13 04:21:14
○A31.11.58.612015-08-18 → 2016-09-25 · 4 obs
● 2015-08-18 14:55:32
● 2016-09-25 17:01:40
○ 2017-06-21 16:54:20
○ 2026-04-13 04:21:14
○A34.249.218.842017-06-21 → 2017-06-21 · 4 obs
○ 2016-09-25 17:01:40
● 2017-06-21 16:54:20
○ 2026-04-04 02:53:10
○ 2026-04-13 04:21:14
●A34.251.58.1642026-04-13 → 2026-04-13 · 3 obs
○ 2026-04-04 02:53:10
● 2026-04-13 04:21:12
● 2026-04-13 04:21:14
●A34.255.57.472026-04-13 → 2026-04-13 · 3 obs
○ 2026-04-04 02:53:10
● 2026-04-13 04:21:12
● 2026-04-13 04:21:14
○A46.137.58.2272026-04-04 → 2026-04-04 · 4 obs
○ 2017-06-21 16:54:20
● 2026-04-04 02:53:10
○ 2026-04-13 04:21:12
○ 2026-04-13 04:21:14
○A52.19.67.582026-04-04 → 2026-04-13 · 2 obs
○ 2026-04-04 02:53:10
○ 2026-04-13 04:21:14
○A52.51.63.122026-04-04 → 2026-04-13 · 2 obs
○ 2026-04-04 02:53:10
○ 2026-04-13 04:21:14
○A54.171.122.1872026-04-04 → 2026-04-04 · 4 obs
○ 2017-06-21 16:54:20
● 2026-04-04 02:53:10
○ 2026-04-13 04:21:12
○ 2026-04-13 04:21:14

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
nlns1.dns.nl, ns3.dns.nl, ns4.dns.nl-
ofcourse-malmberg.nlns-82.awsdns-10.com, ns-655.awsdns-17.net, ns-1444.awsdns-52.org, ns-1594.awsdns-07.co.uk-

✅ Authoritative Response

Server:205.251.192.82

NS records: ns-82.awsdns-10.com, ns-655.awsdns-17.net, ns-1444.awsdns-52.org, ns-1594.awsdns-07.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ofcourse-malmberg.nl (unsigned zone)

⏱️ Timing

Total: 451ms | Queries: -

📄 Records

TypeCountSample Data
A234.255.57.47, 34.251.58.164
NS4ns-1444.awsdns-52.org, ns-1594.awsdns-07.co.uk...
MX2mailrelay.nltree.nl (pri: 10), mailbackup.nltree.nl (pri: 20)
SOA1ns-1594.awsdns-07.co.uk awsdns-hostmaste

Analysis

IP Addresses

ofcourse-malmberg.nl points to two IPs: 34.251.58.164 and 34.255.57.47.

Other host names, for instance toets.nl, edubase.malmberg.nl, sanoma-ll.com, ft4.malmberg.nl and naklar.nl share IP numbers with ofcourse-malmberg.nl.

Name Servers

ofcourse-malmberg.nl is delegated to four name servers: ns-82.awsdns-10.com, ns-655.awsdns-17.net, ns-1444.awsdns-52.org and ns-1594.awsdns-07.co.uk.

ofcourse-malmberg.nl at least partially shares name servers with other domains such as doh14oaao7zis.cloudfront.net, web2.sunrider.com, nordstromshoes.net, 86.198.43.in-addr.arpa and handatravel.com.

These name servers are often used together with ns1-24-ap-east-1.ec2-rdns.amazonaws.com, ns2-24-ap-east-1.ec2-rdns.amazonaws.com, ns3-24-ap-east-1.ec2-rdns.amazonaws.com, ns4-24-ap-east-1.ec2-rdns.amazonaws.com, ns-232.awsdns-29.com, ns-602.awsdns-11.net, ns-1892.awsdns-44.co.uk, ns-762.awsdns-31.net, ns-1065.awsdns-05.org and ns-1864.awsdns-41.co.uk.

Host names with two IP numbers:

ns-82.awsdns-10.com points to 2600:9000:5300:5200::1 and 205.251.192.82

ns-655.awsdns-17.net points to 2600:9000:5302:8f00::1 and 205.251.194.143

ns-1444.awsdns-52.org points to 2600:9000:5305:a400::1 and 205.251.197.164

ns-1594.awsdns-07.co.uk points to 2600:9000:5306:3a00::1 and 205.251.198.58

Mail Servers

Two mail servers handle ofcourse-malmberg.nl: mailbackup.nltree.nl and mailrelay.nltree.nl.

ofcourse-malmberg.nl shares the same mail server setup as other domains, including grandesrandonnees.nl, dewereldingetallen.nl, alvinus.nl, rekenspel.nl and oefenboekjesrekenen.nl.