`mx.schoolboek.nl`

DNSSEC	⚠️ Not signed
A	144.178.90.170^{🇳🇱 AS-EUROFIBER144.178.64.0/19}
		PTR	`144-178-90-170.static.ef-service.nl`

`schoolboek.nl`

	DNSSEC	⚠️ Not signed
	A	37.230.103.7^{🇳🇱 TRANSIP-AS37.230.96.0/21}
	NS	`ns01.hostnet.nl` ⭐
	NS	`ns02.hostnet.nl`
	MX	`schoolboek-nl.mail.protection.outlook.com` ⭐
	TXT	`2f889e12abb31c8f1d1b3728c0d1278bde43d77978ab4d11f40b4d3215b5a486`
	TXT	`MS=ms19641123`
	TXT	`v=spf1 a mx ip4:87.233.198.103/26 ip4:195.201.129.239 include:spf.mspmanager....`
	SOA	`ns01.hostnet.nl`hostmaster@hostnet.nl 2026-04-16 #1

Previously MX for

schoolboek.nl

Same first word

mx.vg

mx.gp

mx.cloudaccess.net

mx.gs

mx.global.prod.fastly.net

mx.email

mx.com.pt

mx.ru

mx.services

mx.pl

mx.ht

mx.uk

mx.no

mx.cloud.nospamproxy.com

mx.agency

mx.rs

mx.vc

mx.cloudflare.net

mx.ws

mx.plus

mx.zone

mx.co.za

mx.tours

mx.s3.amazonaws.com

mx.com.tw

mx.vu

mx.biz

mx.ms

mx.network

mx.se.gov.br

mx.gy

mx.pe

mx.realm.cz

mx.tn

mx.mk

mx.exchange

mx.kh.ua

mx.md

mx.to

mx.cm

mx.graphics

mx.cx

mx.support

mx.myftp.org

mx.duckdns.org

mx.kinghost.net

mx.gouv.ci

mx.money

mx.kasserver.com

mx.com.ar

mx.sytes.net

mx.center

mx.withyoutube.com

mx.mba

mx.co.uk

mx.s3-website-eu-west-1.amazonaws.com

mx.s3-website-us-east-1.amazonaws.com

mx.design

mx.s3-website-us-west-1.amazonaws.com

mx.msk.ru

mx.scrapping.cc

mx.tv

mx.casino

mx.ma

mx.dyndns.org

mx.sh

mx.ax

mx.lv

mx.abbott

mx.or.at

mx.cn

mx.servebbs.org

mx.microsoft

mx.ph

mx.myftp.biz

mx.com.tr

mx.be

mx.guru

mx.selfip.com

mx.co

mx.ro

mx.com.kz

mx.ru.net

mx.firewall-gateway.de

mx.mayfirst.org

mx.ag

mx.ee

mx.net.ru

mx.fi

mx.cz

mx.co.kr

mx.net

mx.box

mx.homelinux.com

mx.dnsalias.com

mx.se

mx.srv.br

mx.si

mx.de

mx.org.ua

Similar names

xm.house

xm.mk

xm.com

xm.biz

xm.media

xm.fyi

xm.pe

xm.wtf

xm.nl

xm.cn

xm.gov.cn

xm.city

xm.ca

xm.ee

xm.ae

xm.lc

xm.chat

xm.life

xm.net

mx.nl

mx.com

xm.cm

mx.co.ua

mx.al

mx

mx.org

mx.net.au

mx.sb

mx.sub.jp

mx.nf

mx.kg

xm.co

xm.com.cn

mx.fm

mx.dk

mx.mil.lv

xm.co.za

mx.is

mx.ac.cn

mx.uz

mx.mt

DNS History

2 records (1 active, 1 former)

●A144.178.90.1702026-03-19 → 2026-04-25 · 3 obs

○ 2017-04-01 14:31:46
● 2026-03-19 12:48:46
● 2026-04-25 16:26:04

○A80.84.234.1662017-04-01 → 2017-04-01 · 3 obs

● 2017-04-01 14:31:46
○ 2026-03-19 12:48:46
○ 2026-04-25 16:26:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
nl	ns1.dns.nl, ns3.dns.nl, ns4.dns.nl	-
schoolboek.nl	ns01.hostnet.nl, ns02.hostnet.nl	-

✅ Authoritative Response

Server:195.206.121.13

NS records: ns01.hostnet.nl, ns02.hostnet.nl

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1509ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`144.178.90.170`

Analysis

IP Addresses

mx.schoolboek.nl points to a single IP: 144.178.90.170.

Other host names, such as mail.dekkers.nl, share IP numbers with mx.schoolboek.nl.

mx.schoolboek.nl - robtex.com

mx.schoolboek.nl

schoolboek.nl