`mx.jerocom.de`

DNSSEC	⚠️ Not signed
A	213.240.143.13^{🇩🇪 TAL-DE213.240.128.0/18 TAL.DE, Wuppertal, Germany}
		PTR	`mx.jerocom.de`

`jerocom.de`

	DNSSEC	⚠️ Not signed
	A	213.240.143.13^{🇩🇪 TAL-DE213.240.128.0/18 TAL.DE, Wuppertal, Germany}
	NS	`hydrogen.ns.hetzner.com` ⭐
	NS	`helium.ns.hetzner.de`
	NS	`oxygen.ns.hetzner.com`
	MX	`mx.jerocom.de` ⭐
	TXT	`v=DMARC1; p=reject; rua=mailto:dmarc@jerocom.de; ruf=mailto:dmarc@jerocom.de;...`
	TXT	`v=spf1 +a +mx ip4:213.240.143.13 -all`
	SOA	`hydrogen.ns.hetzner.com`dns@hetzner.com 2026-06-17 #1

PTR for

13.143.240.213.in-addr.arpa

MX for

lexatax.eu

lexatax.de

jerocom.de

Same first word

mx.kinghost.net

mx.gouv.ci

mx.money

mx.kasserver.com

mx.com.ar

mx.sytes.net

mx.center

mx.withyoutube.com

mx.mba

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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

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mx.sh

mx.ax

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mx.abbott

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mx.servebbs.org

mx.tc

mx.microsoft

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mx.ro

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mx.firewall-gateway.de

mx.mayfirst.org

mx.principe.st

mx.ag

mx.ee

mx.net.ru

mx.fi

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mx.net

mx.box

mx.homelinux.com

mx.dnsalias.com

mx.se

mx.srv.br

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mx.org.ua

mx.com.co

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mx.com

mx.canva-apps.cn

mx.co.ua

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mx.sb

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mx.nf

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mx.fm

mx.dk

mx.mil.lv

mx.is

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mx.uz

mx.mt

mx.lt

mx.co.at

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mx.csb.app

mx.au

mx.go.gov.br

mx.com.mx

mx.dev

mx.od.ua

mx.su

mx.com.au

mx.123hjemmeside.no

mx.cl

mx.by

mx.main.jp

mx.bplaced.net

mx.uy

mx.dyndns-mail.com

mx.io

mx.co.ke

mx.vg

mx.gp

mx.cloudaccess.net

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

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.net.tr

mx.network

mx.se.gov.br

mx.gy

mx.contact

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

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xm.sk

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xm.hu

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xm.fi

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xm.mk

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DNS History

2 records (1 active, 1 former)

○MXsmtpin.rzone.de2019-12-27 → 2026-02-16 · 4 obs

● 2019-12-27 21:17:32
● 2026-02-16 23:02:08
○ 2026-02-17 15:20:02
○ 2026-07-01 22:54:52

●A213.240.143.132019-12-27 → 2026-07-01 · 2 obs

● 2019-12-27 21:17:32
● 2026-07-01 22:54:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	z.nic.de, a.nic.de, f.nic.de	-
jerocom.de	hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com, helium.ns.hetzner.de	-

✅ Authoritative Response

Server:193.47.99.5

NS records: hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com, helium.ns.hetzner.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for jerocom.de (unsigned zone)

⏱️ Timing

Total: 1748ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`213.240.143.13`

Analysis

Mail Server Role

mx.jerocom.de handles incoming mail for lexatax.eu, lexatax.de and jerocom.de.

IP Addresses

mx.jerocom.de resolves to just one IP address, 213.240.143.13.

Other hosts including jerocom.de, infobutler.com and nekic.de share IP addresses with mx.jerocom.de.

mx.jerocom.de - dns.ninja

mx.jerocom.de

jerocom.de