linux.koeln - dns.ninja

`linux.koeln`

DNSSEC	⚠️ Not signed
A	2a01:239:314:9400::35^{🇩🇪 IONOS-AS2a01:239::/32 IONOS SE ber.de}
A	212.132.101.35^{🇬🇧 IONOS-AS212.132.96.0/19 IONOS SE ber.de}
NS	`ns1.rieker.cloud` ⭐
		A	2a01:239:314:9400::35^{🇩🇪 IONOS-AS2a01:239::/32 IONOS SE ber.de}
		A	212.132.101.35^{🇬🇧 IONOS-AS212.132.96.0/19 IONOS SE ber.de}
			PTR	`srv01.rieker.cloud`
NS	`ns2.rieker.cloud`
		A	2a01:239:314:9400::36^{🇩🇪 IONOS-AS2a01:239::/32 IONOS SE ber.de}
		A	212.132.101.36^{🇬🇧 IONOS-AS212.132.96.0/19 IONOS SE ber.de}
			PTR	`srv01.rieker.cloud`
MX	`mail.linux.koeln` ⭐
		A	2a01:239:314:9400::35^{🇩🇪 IONOS-AS2a01:239::/32 IONOS SE ber.de}
		A	212.132.101.35^{🇬🇧 IONOS-AS212.132.96.0/19 IONOS SE ber.de}
			PTR	`srv01.rieker.cloud`
TXT	`v=spf1 +a +mx +a:srv01.rieker.cloud -all`
SOA	`ns1.rieker.cloud`eugen@rieker.cloud 2026-05-24 #2

`koeln`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns1.ryce-rsp.com` ⭐
	NS	`dns.ryce-rsp.com`
	NS	`ns1.dns.business`
	SOA	`ns1.ryce-rsp.com`support@ryce-rsp.com serial=2025075643

Subdomains

mail.linux.koeln

Same first word

linux.zone

linux.hr

linux.co.ke

linux.com.fr

linux.co.at

linux.rs

linux.net.tr

linux.in

linux.tel

linux.eu

linux.org.tr

linux.fail

linux.am

linux.run

linux.ca

linux.pictures

linux.directory

linux.org.ru

linux.org.py

linux.frl

linux.ch

linux.kg

linux.lat

linux.org.ph

linux.kr

linux.toys

linux.no

linux.org.mt

linux.engineering

linux.aq

linux.com.es

linux.monster

linux.report

linux.ec

linux.systems

linux.events

linux.repair

linux.or.kr

linux.casa

linux.co.kr

linux.careers

linux.biz

linux.ru

linux.cz

linux.kiev.ua

linux.lv

linux.community

linux.org.au

linux.st

linux.pf

linux.at

linux.org.na

linux.academy

linux.or.tz

linux.org.pe

linux.edu.lv

linux.ro

linux.technology

linux.sh.cn

linux.vc

linux.su

linux.koeln

linux.gq

linux.camp

linux.it

linux.cool

linux.agency

linux.nu

linux.chat

linux.org.uk

linux.net.nz

linux.ga

linux.dk

linux.com.tw

linux.za.org

linux.cl

linux.net.mx

linux.org.tw

linux.com

linux.ee

linux.sk

linux.in.rs

linux.fr

linux.fm

linux.sh

linux.lt

linux.com.hr

linux.pink

linux.com.sg

linux.ac.cn

linux.co.za

linux.pl

linux.org

linux.in.th

linux.org.il

linux.ru.net

linux.org.pl

linux.jp

linux.social

linux.be

Similar names

ulinx.de

lixun.org

inlux.cz

xinlu.org

xinul.org

lunix.se

lunix.eu

ulnix.cn

lunix.es

xunli.net

xulin.net

xinlu.co

inlux.es

nulix.co

lunix.store

lxuni.com

unlix.com.vn

lunix.co

lunix.com

inlux.co.uk

luxin.in

inlux.ch

xluni.com

inlux.cat

nilux.de

unlix.net

linux.london

nuxli.co

xinlu.ink

linux.spb.ru

luxin.de

linux.ky

xunil.biz

linux.co.il

linux.tools

xinlu.cn

inlux.is

xunil.eu

linux.co.zw

linux.de

xilun.com

xunil.it

linux.org.do

linux.livorno.it

linux.institute

xunil.org

luxin.co.uk

linux.is

linux.or.at

nilux.dk

linux.net

linux.co.cr

linux.net.mk

lunix.com.au

linux.nc

ulinx.nl

linux.by

linux.com.hk

ulinx.com

lunix.ro

linux.pt

luxin.com

lunix.pro

linux.com.ua

linux.media.pl

luxin.mk

linux.network

DNS History

13 records (5 active, 8 former)

○NSns1.netzpanik.de2017-01-07 → 2017-01-07 · 3 obs

● 2017-01-07 09:55:50
○ 2018-01-16 11:31:28
○ 2026-06-18 12:10:22

●NSns1.rieker.cloud2026-02-18 → 2026-06-18 · 3 obs

○ 2018-01-16 11:31:28
● 2026-02-18 18:13:30
● 2026-06-18 12:10:22

○NSns1.rieker.engineering2018-01-16 → 2018-01-16 · 4 obs

○ 2017-01-07 09:55:50
● 2018-01-16 11:31:28
○ 2026-02-18 18:13:30
○ 2026-06-18 12:10:22

○NSns2.netzpanik.de2017-01-07 → 2017-01-07 · 3 obs

● 2017-01-07 09:55:50
○ 2018-01-16 11:31:28
○ 2026-06-18 12:10:22

●NSns2.rieker.cloud2026-02-18 → 2026-06-18 · 3 obs

○ 2018-01-16 11:31:28
● 2026-02-18 18:13:30
● 2026-06-18 12:10:22

○NSns2.rieker.engineering2018-01-16 → 2018-01-16 · 4 obs

○ 2017-01-07 09:55:50
● 2018-01-16 11:31:28
○ 2026-02-18 18:13:30
○ 2026-06-18 12:10:22

●MXmail.linux.koeln2017-01-07 → 2026-06-18 · 4 obs

● 2017-01-07 09:55:50
○ 2018-01-16 11:31:28
● 2026-02-18 18:13:30
● 2026-06-18 12:10:22

○MXsrv.rieker.engineering2018-01-16 → 2018-01-16 · 4 obs

○ 2017-01-07 09:55:50
● 2018-01-16 11:31:28
○ 2026-02-18 18:13:30
○ 2026-06-18 12:10:22

○A176.9.108.1802018-01-16 → 2018-01-16 · 4 obs

○ 2017-01-07 09:55:50
● 2018-01-16 11:31:28
○ 2026-02-18 18:13:30
○ 2026-06-18 12:10:22

●A212.132.101.352026-02-18 → 2026-06-18 · 3 obs

○ 2018-01-16 11:31:28
● 2026-02-18 18:13:30
● 2026-06-18 12:10:22

○A2a01:238:43a9:5200:52ea:c9e4:9923:f6aa2017-01-07 → 2017-01-07 · 3 obs

● 2017-01-07 09:55:50
○ 2018-01-16 11:31:28
○ 2026-06-18 12:10:22

●A2a01:239:314:9400::352026-02-18 → 2026-06-18 · 3 obs

○ 2018-01-16 11:31:28
● 2026-02-18 18:13:30
● 2026-06-18 12:10:22

○A85.214.86.1722017-01-07 → 2017-01-07 · 3 obs

● 2017-01-07 09:55:50
○ 2018-01-16 11:31:28
○ 2026-06-18 12:10:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
koeln	dns.ryce-rsp.com, ns1.dns.business, ns1.ryce-rsp.com	6 records
linux.koeln	ns1.rieker.cloud, ns2.rieker.cloud	-

✅ Authoritative Response

Server:212.132.101.35

NS records: ns1.rieker.cloud, ns2.rieker.cloud

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for linux.koeln (unsigned zone)

⏱️ Timing

Total: 1300ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`212.132.101.35`
AAAA	1	`2a01:239:314:9400::35`
NS	2	`ns1.rieker.cloud, ns2.rieker.cloud`
MX	1	`mail.linux.koeln (pri: 10)`
TXT	1	`v=spf1 +a +mx +a:srv01.rieker.cloud -all`
SOA	1	`ns1.rieker.cloud eugen.rieker.cloud`

📌 Glue Records Collected

Total: 6

Out-of-bailiwick: 6 (dns.ryce-rsp.com, ns1.dns.business, ns1.ryce-rsp.com...)

Analysis

Hierarchy

linux.koeln is the parent zone for mail.linux.koeln.

IP Addresses

linux.koeln directs to two IP numbers, 212.132.101.35 and 2a01:239:314:9400::35

netzpanik.de, srv01.rieker.cloud, isp-plus.de and two other host names share IP numbers with linux.koeln.

Name Servers

linux.koeln is served by two delegated name servers, ns1.rieker.cloud and ns2.rieker.cloud.

linux.koeln uses the same name servers as several other domains — among them ispplus.de, service-server.net, germanbyte.com and two more.

Each of the two host names carries two IP addresses: ns1.rieker.cloud points to 212.132.101.35 and 2a01:239:314:9400::35, and ns2.rieker.cloud points to 212.132.101.36 and 2a01:239:314:9400::36.

Mail Servers

Mail for linux.koeln is handled by a single mail server, mail.linux.koeln.

The host mail.linux.koeln resolves to 212.132.101.35 and 2a01:239:314:9400::35 — two IP addresses.