sterckbouw.com - robtex.com

sterckbouw.com

DNSSEC⚠️ Not signed
A2a00:7b80:3042:2000::146🇳🇱 Snel2a00:7b80::/32 .com B.V.
PTRserver.effectivahosting.nl
A193.34.167.146🇳🇱 Snel193.34.167.0/24 .com B.V.
NSns1.effectivahosting.nl ⭐
A2a00:7b80:476:ffff::2🇳🇱 Snel2a00:7b80::/32 .com B.V.
PTRns1.beedns.eu
A89.207.128.251🇳🇱 Snel89.207.128.0/24 .com B.V.
PTRns1.beedns.eu
NSns2.effectivahosting.nl
A2a00:7b80:478:ffff::2🇳🇱 Snel2a00:7b80::/32 .com B.V.
PTRns2.beedns.eu
A89.207.130.251🇳🇱 Snel89.207.130.0/24 .com B.V.
PTRns2.beedns.eu
NSns3.effectivahosting.nl ⚠️ Not in parent delegation
A2a01:7c8:aaae:1e2::2🇳🇱 TRANSIP-AS2a01:7c8::/32 TransIP B.V. Amsterdam IPv6 network
PTRns3.beedns.co
A77.72.147.249🇳🇱 TRANSIP-AS77.72.144.0/21 TransIP BV Amsterdam, The Netherlands
PTRns3.beedns.co
MXsterckbouw-nl.mail.protection.outlook.com ⭐
A2a01:111:f403:ca09::1🇳🇱 Microsoft2a01:111:f000::/36
PTRmail-as9pr07cu00301.inbound.protection.outlook.com
A2a01:111:f403:ca09::4🇳🇱 Microsoft2a01:111:f000::/36
PTRmail-am0pr04cu00504.inbound.protection.outlook.com
A2a01:111:f403:ca09::8🇳🇱 Microsoft2a01:111:f000::/36
PTRmail-as2pr05cu00100.inbound.protection.outlook.com
A2a01:111:f403:ca09::c🇳🇱 Microsoft2a01:111:f000::/36
PTRmail-as8pr05cu00304.inbound.protection.outlook.com
A52.101.68.10🇮🇪 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-dbbpr03cu00102.inbound.protection.outlook.com
A52.101.68.18🇮🇪 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-db4pr02cu00302.inbound.protection.outlook.com
A52.101.73.8🇳🇱 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-am0pr04cu00500.inbound.protection.outlook.com
A52.101.73.24🇳🇱 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-as8pr05cu00300.inbound.protection.outlook.com
TXTv=spf1 a mx include:_spf.beehost.eu include:spf.protection.outlook.com ~all
TXTMS=ms79484671
SOAns1.effectivahosting.nlsterckbouw@effectiva.nl 2026-04-09 #1

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1776003327

Subdomains

mail.sterckbouw.com

Same first word

sterckbouw.com

DNS History

12 records (6 active, 6 former)

2017201820192020202120222023202420252026NSns1.effectivahosting.nlns2.effectivahosting.nlns3.effectivahosting.nlns1.effectivainternettoepassingen.nlns2.effectivainternettoepassingen.nlMXsterckbouw-nl.mail.protection.outlook.commail.sterckbouw.comA193.34.167.1462a00:7b80:3042:2000::146185.21.191.1882a02:348:39:5df4::179.170.93.244
●NSns1.effectivahosting.nl2017-08-26 → 2026-04-12 · 3 obs
○ 2016-12-19 01:20:32
● 2017-08-26 05:38:32
● 2026-04-12 14:41:00
○NSns1.effectivainternettoepassingen.nl2016-12-19 → 2016-12-19 · 3 obs
● 2016-12-19 01:20:32
○ 2017-08-26 05:38:32
○ 2026-04-12 14:41:00
●NSns2.effectivahosting.nl2017-08-26 → 2026-04-12 · 3 obs
○ 2016-12-19 01:20:32
● 2017-08-26 05:38:32
● 2026-04-12 14:41:00
○NSns2.effectivainternettoepassingen.nl2016-12-19 → 2016-12-19 · 3 obs
● 2016-12-19 01:20:32
○ 2017-08-26 05:38:32
○ 2026-04-12 14:41:00
●NSns3.effectivahosting.nl2026-02-16 → 2026-04-12 · 3 obs
○ 2017-08-26 05:38:32
● 2026-02-16 00:17:30
● 2026-04-12 14:41:00
○MXmail.sterckbouw.com2016-12-19 → 2017-08-26 · 4 obs
● 2016-12-19 01:20:32
● 2017-08-26 05:38:32
○ 2026-02-16 00:17:30
○ 2026-04-12 14:41:00
●MXsterckbouw-nl.mail.protection.outlook.com2026-02-16 → 2026-04-12 · 3 obs
○ 2017-08-26 05:38:32
● 2026-02-16 00:17:30
● 2026-04-12 14:41:00
○A185.21.191.1882016-12-19 → 2016-12-19 · 3 obs
● 2016-12-19 01:20:32
○ 2017-08-26 05:38:32
○ 2026-04-12 14:41:00
●A193.34.167.1462026-02-16 → 2026-04-12 · 3 obs
○ 2017-08-26 05:38:32
● 2026-02-16 00:17:30
● 2026-04-12 14:41:00
●A2a00:7b80:3042:2000::1462026-02-16 → 2026-04-12 · 3 obs
○ 2017-08-26 05:38:32
● 2026-02-16 00:17:30
● 2026-04-12 14:41:00
○A2a02:348:39:5df4::12017-08-26 → 2017-08-26 · 4 obs
○ 2016-12-19 01:20:32
● 2017-08-26 05:38:32
○ 2026-02-16 00:17:30
○ 2026-04-12 14:41:00
○A79.170.93.2442017-08-26 → 2017-08-26 · 4 obs
○ 2016-12-19 01:20:32
● 2017-08-26 05:38:32
○ 2026-02-16 00:17:30
○ 2026-04-12 14:41:00

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...-
sterckbouw.comns1.effectivahosting.nl, ns2.effectivahosting.nl-

✅ Authoritative Response

Server:89.207.128.251

NS records: ns1.effectivahosting.nl, ns2.effectivahosting.nl

🔒 DNSSEC Status

❌ Bogus (DNSSEC validation failed)

No DNSKEY for sterckbouw.com

⏱️ Timing

Total: 709ms | Queries: -

📄 Records

TypeCountSample Data
A1193.34.167.146
AAAA12a00:7b80:3042:2000::146
NS3ns2.effectivahosting.nl, ns3.effectivahosting.nl...
MX1sterckbouw-nl.mail.protection.outlook.co
TXT2MS=ms79484671, v=spf1 a mx include:_spf.beehost.eu incl
SOA1ns1.effectivahosting.nl sterckbouw.effec

Analysis

Hierarchy

mail.sterckbouw.com has sterckbouw.com as its parent.

IP Addresses

sterckbouw.com points to two IPs: 2a00:7b80:3042:2000::146 and 193.34.167.146.

Other host names, for instance duikspotter.nl, mail.haarstudiogerald.nl, huisartsenpost-oudeijssel.nl, mail.effectiva.nl and mudita-academie.com share IP numbers with sterckbouw.com.

Name Servers

sterckbouw.com is delegated to name servers ns1.effectivahosting.nl, ns2.effectivahosting.nl and ns3.effectivahosting.nl.

sterckbouw.com at least partially shares name servers with other domains such as www.effectiva.nl, rhonevaluewines.eu, dollareurokoers.nl, balivakantiehuizen.nl and chielbellen.nl.

Host names with two IP numbers:

ns1.effectivahosting.nl points to 2a00:7b80:476:ffff::2 and 89.207.128.251.

ns2.effectivahosting.nl points to 2a00:7b80:478:ffff::2 and 89.207.130.251.

ns3.effectivahosting.nl points to 2a01:7c8:aaae:1e2::2 and 77.72.147.249.

Mail Servers

sterckbouw.com is handled by a single mail server, sterckbouw-nl.mail.protection.outlook.com.

sterckbouw-nl.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:ca09::1, 2a01:111:f403:ca09::4, 2a01:111:f403:ca09::8, 2a01:111:f403:ca09::c, 52.101.68.10, 52.101.68.18, 52.101.73.8 and 52.101.73.24.