underconstruct.nl - robtex.com

underconstruct.nl

DNSSEC⚠️ Not signed
A2a01:239:37c:8e00::1🇩🇪 IONOS-AS2a01:239::/32 IONOS SE ber.de
PTRcatenet.nl
A85.215.236.216🇩🇪 IONOS-AS85.215.128.0/17 IONOS SE ber.de
NSns2.underconstruct.nl ⭐ ⚠️ Not in parent delegation
A2a01:239:37c:8e00::1🇩🇪 IONOS-AS2a01:239::/32 IONOS SE ber.de
PTRcatenet.nl
A85.215.236.216🇩🇪 IONOS-AS85.215.128.0/17 IONOS SE ber.de
PTRcatenet.nl
NSns1.catenet.nl ⚠️ Not in zone NS records
A2a05:d014:f80:6e00:bde7:af96:9434:75d5🇩🇪 Amazon2a05:d014:c00::/38 AMAZON AWS
A52.57.114.204🇩🇪 Amazon52.57.0.0/16 EC2 FRA VPC prefix
PTRec2-52-57-114-204.eu-central-1.compute.amazonaws.com
NSns1.underconstruct.nl ⚠️ Not in parent delegation
A2a01:239:37c:8e00::1🇩🇪 IONOS-AS2a01:239::/32 IONOS SE ber.de
PTRcatenet.nl
A85.215.236.216🇩🇪 IONOS-AS85.215.128.0/17 IONOS SE ber.de
PTRcatenet.nl
NSns3.catenet.nl ⚠️ Not in zone NS records
A2a05:d018:61d:bd00:21bc:c938:d548:dab1🇮🇪 Amazon2a05:d018:400::/38 AMAZON AWS
A52.214.115.96🇮🇪 Amazon52.208.0.0/13 EC2 DUB prefix
PTRec2-52-214-115-96.eu-west-1.compute.amazonaws.com
NSns4.catenet.nl ⚠️ Not in zone NS records
A2a01:239:37c:8e00::1🇩🇪 IONOS-AS2a01:239::/32 IONOS SE ber.de
PTRcatenet.nl
A85.215.236.216🇩🇪 IONOS-AS85.215.128.0/17 IONOS SE ber.de
PTRcatenet.nl
MXmail.underconstruct.nl ⭐
A2a01:239:37c:8e00::1🇩🇪 IONOS-AS2a01:239::/32 IONOS SE ber.de
PTRcatenet.nl
A85.215.236.216🇩🇪 IONOS-AS85.215.128.0/17 IONOS SE ber.de
PTRcatenet.nl
TXTv=spf1 +a +mx +a:s01.catenet.nl -all
SOAns2.underconstruct.nlteunrut@catenet.nl 2026-02-14 #1

nl

DNSSEC🔒 Signed (DS record present)
NSns1.dns.nl ⭐
NSns3.dns.nl
NSns4.dns.nl
TXTnl zone update: 2026-04-04 06:00:01 +0000 (EPOCH 1775282401)
SOAns1.dns.nldns@sidn.nl 2026-04-04 #12

Subdomains

ns1.underconstruct.nl
ns2.underconstruct.nl
mail.underconstruct.nl

Same first word

underconstruct.nl

DNS History

12 records (8 active, 4 former)

20162017201820192020202120222023202420252026NSns1.catenet.nlns1.underconstruct.nlns2.underconstruct.nlns3.catenet.nlns4.catenet.nlns2.catenet.nlMXmail.underconstruct.nlA2a01:239:37c:8e00::185.215.236.2162a01:238:43a4:1400:319c:fd62:6f59:fde581.169.251.4385.214.208.3
●NSns1.catenet.nl2015-08-05 → 2026-04-04 · 5 obs
● 2015-08-05 01:52:08
● 2017-01-17 07:43:32
○ 2019-03-29 23:01:10
● 2026-02-17 05:22:30
● 2026-04-04 06:41:48
●NSns1.underconstruct.nl2019-03-29 → 2026-04-04 · 3 obs
○ 2017-01-17 07:43:32
● 2019-03-29 23:01:10
● 2026-04-04 06:41:48
○NSns2.catenet.nl2015-08-05 → 2017-01-17 · 4 obs
● 2015-08-05 01:52:08
● 2017-01-17 07:43:32
○ 2019-03-29 23:01:10
○ 2026-04-04 06:41:48
●NSns2.underconstruct.nl2019-03-29 → 2026-04-04 · 3 obs
○ 2017-01-17 07:43:32
● 2019-03-29 23:01:10
● 2026-04-04 06:41:48
●NSns3.catenet.nl2026-02-17 → 2026-04-04 · 3 obs
○ 2019-03-29 23:01:10
● 2026-02-17 05:22:30
● 2026-04-04 06:41:48
●NSns4.catenet.nl2026-02-17 → 2026-04-04 · 3 obs
○ 2019-03-29 23:01:10
● 2026-02-17 05:22:30
● 2026-04-04 06:41:48
●MXmail.underconstruct.nl2015-08-05 → 2026-04-04 · 2 obs
● 2015-08-05 01:52:08
● 2026-04-04 06:41:48
○A2a01:238:43a4:1400:319c:fd62:6f59:fde52019-03-29 → 2019-03-29 · 4 obs
○ 2017-01-17 07:43:32
● 2019-03-29 23:01:10
○ 2026-02-17 05:22:30
○ 2026-04-04 06:41:48
●A2a01:239:37c:8e00::12026-02-17 → 2026-04-04 · 3 obs
○ 2019-03-29 23:01:10
● 2026-02-17 05:22:30
● 2026-04-04 06:41:48
○A81.169.251.432019-03-29 → 2019-03-29 · 4 obs
○ 2017-01-17 07:43:32
● 2019-03-29 23:01:10
○ 2026-02-17 05:22:30
○ 2026-04-04 06:41:48
○A85.214.208.32015-08-05 → 2017-01-17 · 4 obs
● 2015-08-05 01:52:08
● 2017-01-17 07:43:32
○ 2019-03-29 23:01:10
○ 2026-04-04 06:41:48
●A85.215.236.2162026-02-17 → 2026-04-04 · 3 obs
○ 2019-03-29 23:01:10
● 2026-02-17 05:22:30
● 2026-04-04 06:41:48

🔍 DNS Trace

Analysis

Hierarchy

underconstruct.nl is a parent of ns1.underconstruct.nl, ns2.underconstruct.nl and mail.underconstruct.nl.

IP Addresses

underconstruct.nl resolves to two IP numbers: 2a01:239:37c:8e00::1 and 85.215.236.216.

Other host names, for instance ns1.bda-administratie.com, topshow.nl, ns2.waz-ict.com, mail.paulvanessen.nl and ns1.bda-administratie.nl share IP numbers with underconstruct.nl.

Name Servers

underconstruct.nl is delegated to five name servers: ns1.catenet.nl, ns3.catenet.nl, ns4.catenet.nl, ns1.underconstruct.nl and ns2.underconstruct.nl.

underconstruct.nl partially shares name servers with other domains; examples include jeugdevents.nl, paulvanessen.nl, tm1.nl, dd1.nl and bicyclestore.nl.

These name servers are commonly used alongside ns2.catenet.nl, ns1.jeugdevents.nl, ns2.jeugdevents.nl, ns1.paulvanessen.nl, ns2.paulvanessen.nl, ns4.tm1.nl, ns4.dd1.nl, ns1.bicyclestore.nl and ns2.bicyclestore.nl.

Host ns1.catenet.nl points to 2a05:d014:f80:6e00:bde7:af96:9434:75d5 and 52.57.114.204.

Host ns3.catenet.nl points to 2a05:d018:61d:bd00:21bc:c938:d548:dab1 and 52.214.115.96.

Host ns4.catenet.nl points to 2a01:239:37c:8e00::1 and 85.215.236.216.

Host ns1.underconstruct.nl points to 2a01:239:37c:8e00::1 and 85.215.236.216.

Host ns2.underconstruct.nl points to 2a01:239:37c:8e00::1 and 85.215.236.216.

Hosts pointing to 2a01:239:37c:8e00::1: ns4.catenet.nl, ns1.underconstruct.nl and ns2.underconstruct.nl.

Hosts pointing to 85.215.236.216: ns4.catenet.nl, ns1.underconstruct.nl and ns2.underconstruct.nl.

Mail Servers

underconstruct.nl is handled by a single mail server, mail.underconstruct.nl.

Host mail.underconstruct.nl resolves to two IPs: 2a01:239:37c:8e00::1 and 85.215.236.216.