`mx.root4u.de`

DNSSEC	⚠️ Not signed
A	2a05:bec0::2^{🇩🇪 ACTIVE-SERVERS2a05:bec0::/29 iNTERWERK.de Routing}
		PTR	`isp.root-control.de`
A	109.230.239.251^{🇩🇪 ACTIVE-SERVERS109.230.239.0/24}

`root4u.de`

	DNSSEC	⚠️ Not signed
	A	2a05:bec0::2^{🇩🇪 ACTIVE-SERVERS2a05:bec0::/29 iNTERWERK.de Routing}
	A	109.230.239.251^{🇩🇪 ACTIVE-SERVERS109.230.239.0/24}
	NS	`ns2.interwerk.de` ⭐
	NS	`ns.interwerk.de`
	MX	`mx.root4u.de` ⭐
	SOA	`ns.interwerk.de`hostmaster@interwerk.de 2026-03-11 #0

MX for

root4u.de

Same first word

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

mx.nl

mx.com

mx.co.ua

mx.al

mx

mx.org

mx.net.au

mx.sb

mx.sub.jp

mx.nf

mx.kg

mx.fm

mx.dk

mx.mil.lv

mx.is

mx.ac.cn

mx.uz

mx.mt

mx.lt

mx.co.at

mx.ua

mx.csb.app

mx.au

mx.go.gov.br

mx.com.mx

mx.dev

mx.su

mx.com.au

mx.123hjemmeside.no

mx.cl

mx.by

mx.bplaced.net

mx.uy

mx.dyndns-mail.com

mx.io

mx.co.ke

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

Similar names

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

xm.cm

xm.co

xm.com.cn

xm.co.za

xm.kiev.ua

xm.js.cn

xm.cc

xm.by

xm.world

xm.lt

xm.com.ua

xm.ru

xm.de

xm.cl

xm.sk

xm.se

xm.hu

xm.com.co

xm.africa

xm.fi

xm.is

xm.am

xm.money

xm.be

xm.cz

xm.hk.cn

xm.fj.cn

xm.pl

xm.vn.ua

xm.house

xm.mk

xm.com

DNS History

3 records (2 active, 1 former)

●A109.230.239.2512015-07-18 → 2026-04-13 · 2 obs

● 2015-07-18 17:09:44
● 2026-04-13 11:20:28

○A2a02:d40:3:1:dcbd:44ff:fecb:bea12015-07-18 → 2016-07-13 · 4 obs

● 2015-07-18 17:09:44
● 2016-07-13 17:32:44
○ 2026-02-16 11:55:30
○ 2026-04-13 11:20:28

●A2a05:bec0::22026-02-16 → 2026-04-13 · 3 obs

○ 2016-07-13 17:32:44
● 2026-02-16 11:55:30
● 2026-04-13 11:20:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
root4u.de	ns.interwerk.de, ns2.interwerk.de	4 records

✅ Authoritative Response

Server:109.230.236.254

NS records: ns.interwerk.de, ns2.interwerk.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for root4u.de (unsigned zone)

⏱️ Timing

Total: 3616ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`109.230.239.251`
AAAA	1	`2a05:bec0::2`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns.interwerk.de, ns.interwerk.de, ns2.interwerk.de...)

Analysis

Mail Server Role

mx.root4u.de serves as a mail server for root4u.de.

IP Addresses

mx.root4u.de has two IP numbers: 2a05:bec0::2 and 109.230.239.251.

Other host names, for instance mx.active-servers.de, active-server.net, hoffmeister-sicherheitstechnik.de, mail.hoffmeister-sicherheitstechnik.de and isp.root4u.de share IP numbers with mx.root4u.de.

mx.root4u.de - robtex.com

mx.root4u.de

root4u.de