`mx.linux-cologne.com`

DNSSEC	⚠️ Not signed
A	2a02:2479:4e:ee00::1^{🇩🇪 IONOS-AS2a02:2478::/29 IONOS SE}
		PTR	`mx.linux-cologne.com`
A	85.215.44.184^{🇩🇪 IONOS-AS85.215.32.0/19}

`linux-cologne.com`

	DNSSEC	⚠️ Not signed
	A	85.215.44.184^{🇩🇪 IONOS-AS85.215.32.0/19}
	NS	`ns1.first-ns.de` ⭐
	NS	`robotns2.second-ns.de`
	NS	`robotns3.second-ns.com` ⚠️ Not in parent delegation
	MX	`mx.linux-cologne.com` ⭐
	TXT	`v=spf1 mx ip4:ip4:85.215.44.184 ip6:2a02:247a:241:8f00:1::1 -all`
	SOA	`ns1.first-ns.de`dns@hetzner.com 2026-02-14 #1

PTR for

184.44.215.85.in-addr.arpa

1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.e.e.e.4.0.0.9.7.4.2.2.0.a.2.ip6.arpa

MX for

linuxcologne.de

3amigos.de

web-cologne.net

linux-cologne.com

bluefrogs.de

Same first word

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.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.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.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

mx.nl

mx.com

mx

mx.org

mx.sb

mx.sub.jp

mx.nf

mx.kg

mx.fm

Similar names

xm.be

xm.cz

xm.hk.cn

xm.fj.cn

xm.pl

xm.vn.ua

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

xm.cm

DNS History

3 records (2 active, 1 former)

●A2a02:2479:4e:ee00::12026-02-15 → 2026-03-25 · 2 obs

● 2026-02-15 03:54:16
● 2026-03-25 04:40:00

●A85.215.44.1842026-02-15 → 2026-03-25 · 2 obs

● 2026-02-15 03:54:16
● 2026-03-25 04:40:00

○CNAMEhoth.linux-cologne.com2026-02-15 → 2026-02-15 · 3 obs

● 2026-02-15 03:54:16
○ 2026-03-19 09:45:20
○ 2026-03-25 04:40:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
linux-cologne.com	ns1.first-ns.de, robotns2.second-ns.de	-

✅ Authoritative Response

Server:213.133.100.103

NS records: ns1.first-ns.de, robotns2.second-ns.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for linux-cologne.com (unsigned zone)

⏱️ Timing

Total: 771ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`85.215.44.184`
AAAA	1	`2a02:2479:4e:ee00::1`

Analysis

Mail Server Role

mx.linux-cologne.com serves as the mail server for linuxcologne.de, 3amigos.de, web-cologne.net, linux-cologne.com and bluefrogs.de.

IP Addresses

mx.linux-cologne.com points to two IP numbers: 2a02:2479:4e:ee00::1 and 85.215.44.184.

Other host names, for instance web-cologne.net, ip85-215-44-184.pbiaas.com, hoth.linux-cologne.com, linux-cologne.com and bluefrogs.de share IP numbers with mx.linux-cologne.com.

mx.linux-cologne.com - robtex.com