`apps.koeln`

DNSSEC	⚠️ Not signed
A	2a01:238:20a:202:1087::^{🇩🇪 STRATO2a01:238:20a::/48 Strato AG}
A	81.169.145.87^{🇩🇪 STRATO81.169.144.0/22 AG}
NS	`docks10.rzone.de` ⭐
		A	2001:8d8:fe:53:5747:2a74:d:10^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`docks10.rzone.de`
		A	217.160.80.137^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`docks10.rzone.de`
NS	`shades01.rzone.de`
		A	2607:f1c0:fe:53:185:132:34:128^{🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US}
			PTR	`shades01.rzone.de`
		A	185.132.34.128^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`shades01.rzone.de`
MX	`smtpin.rzone.de` ⭐
		A	2a01:238:20a:202:50f0::1097^{🇩🇪 STRATO2a01:238:20a::/48 Strato AG}
			PTR	`smtpin.rzone.de`
		A	81.169.145.97^{🇩🇪 STRATO81.169.144.0/22 AG}
			PTR	`smtpin.rzone.de`
TXT	`40876493d14325f3b55d439fa0d727315df81ed6`
SOA	`docks10.rzone.de`hostmaster@strato-rz.de 2024-04-15 #5

`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=2025069155

Subdomains

mail.apps.koeln

Same first word

apps.be

apps.fyi

apps.hu

apps.my.id

apps.cat

apps.ca

apps.ro

apps.jnj

apps.pr

apps.company

apps.directory

apps.tv

apps.toys

apps.vn

apps.bayern

apps.eu.com

apps.graphics

apps.kr

apps.pk

apps.pl

apps.nl

apps.no

apps.se

apps.gov.in

apps.lgbt

apps.gc.ca

apps.im

apps.co.id

apps.cz

apps.al

apps.com.br

apps.media

apps.5g.in

apps.city

apps.et

apps.blue

apps.tax

apps.ladesk.com

apps.net

apps.crs

apps.ac.me

apps.exchange

apps.de

apps.uk

apps.gob.cl

apps.to

apps.org

apps.fox

apps.com

apps.plus

apps.net.pk

apps.canva-apps.cn

apps.me

apps.capital

apps.mg

apps.k12.mi.us

apps.fi

apps.sc

apps.by

apps.or.id

apps.walter

apps.gd

apps.com.my

apps.my

apps.cam

apps.dk

apps.kz

apps.net.co

apps.cymru

apps.jetzt

apps.finance

apps.aero

apps.schwarz

apps.googleapis.com

apps.meet

apps.ge

apps.chrome

apps.co.pl

apps.seat

apps.com.au

apps.org.in

apps.at

apps.garden

apps.s3.amazonaws.com

apps.id

apps.courses

apps.bg

apps.institute

apps.es

apps.glass

apps.vg

apps.com.tr

apps.tw

apps.network

apps.sh

apps.plumbing

apps.ae

apps.app

apps.radio.br

apps.co.at

Similar names

pasp.org

sppa.at

sapp.top

paps.de

aspp.dk

sapp.pro

sapp.com

paps.be

aspp.fr

pspa.net

paps.dk

pspa.com

pspa.in

apsp.com

pspa.us

ppas.gov.my

ppsa.de

apsp.cz

paps.cz

sapp.co.zw

apps.go.th

apps.co

spap.pf

apps.deals

apps.williamhill

spap.us

apps.gov.ge

sapp.pt

sapp.ws

apps.shiksha

ppsa.nl

sapp.pl

pasp.ru

apps.ru

ppas.sg

apps.ltd

apps.cx

paps.dev

apps.su

apps.canva-apps.com

psap.it

sppa.fr

aspp.github.io

ppas.ru

pspa.nl

apps.am

apps.io

apsp.in

apps.dating

apps.ne.kr

spap.xyz

pasp.org.ph

apps.co.za

apsp.com.mx

ppas.org

sppa.com.br

apps.name

pasp.pl

ppsa.to

ppsa.dk

sapp.org.my

apps.org.pe

ppsa.info

apps.ph

apps.lv

sapp.de

apps.foundation

sapp.com.au

sapp.vn

apsp.org.cn

apps.koeln

pasp.eu

ppas.co.uk

pspa.ph

pasp.cz

apps.in.th

apps.info

paps.sn

sppa.net

sapp.business

apps.digital

apps.ac

apps.li

apps.teva

apps.pro

sppa.com.my

paps.org

ppsa.gov.br

apps.poker

apps.cl

apps.mil

sapp.ca

apps.tm

apps.lu

apps.windows

apps.link

apps.auth.us-east-1.amazoncognito.com

apps.golf

sppa.ru

apps.neustar

apps.is

ppas.monster

apps.group

apps.it

ppsa.ca

apps.cn

sppa.org.uk

paps.se

psap.net

aspp.it

pasp.de

ppsa.com

apps.fm

pasp.net

apps.nic.in

apps.gov.gr

apsp.org

apps.wien

sppa.biz

pspa.de

pspa.cz

apsp.ru

apps.blogspot.cz

psap.biz

paps.pk

apsp.eu

apps.gy

ppsa.jp

ppas.ch

sapp.sakura.ne.jp

sppa.org.br

psap.com

paps.net

apps.st

pasp.no

spap.com.gr

apsp.net

spap.net

spap.in

aspp.net.au

spap.ch

paps.at

psap.co.uk

sapp.ir

apsp.co.uk

apsp.biz

sapp.fr

pasp.cn

ppsa.ru

pspa.gr

sapp.cn

sapp.io

sapp.dk

pasp.com.cn

spap.pl

DNS History

10 records (5 active, 5 former)

●NSdocks10.rzone.de2026-02-15 → 2026-04-11 · 3 obs

○ 2017-08-10 20:21:54
● 2026-02-15 18:58:24
● 2026-04-11 18:42:04

○NSns1.antagus.de2016-12-13 → 2017-08-10 · 4 obs

● 2016-12-13 00:23:04
● 2017-08-10 20:21:54
○ 2026-02-15 18:58:24
○ 2026-04-11 18:42:04

○NSns2.antagus.de2016-12-13 → 2017-08-10 · 4 obs

● 2016-12-13 00:23:04
● 2017-08-10 20:21:54
○ 2026-02-15 18:58:24
○ 2026-04-11 18:42:04

●NSshades01.rzone.de2026-02-15 → 2026-04-11 · 3 obs

○ 2017-08-10 20:21:54
● 2026-02-15 18:58:24
● 2026-04-11 18:42:04

○MXmail.apps.koeln2016-12-13 → 2017-08-10 · 4 obs

● 2016-12-13 00:23:04
● 2017-08-10 20:21:54
○ 2026-02-15 18:58:24
○ 2026-04-11 18:42:04

●MXsmtpin.rzone.de2026-02-15 → 2026-04-11 · 3 obs

○ 2017-08-10 20:21:54
● 2026-02-15 18:58:24
● 2026-04-11 18:42:04

○A212.172.94.2452016-12-13 → 2016-12-13 · 3 obs

● 2016-12-13 00:23:04
○ 2017-07-25 03:45:18
○ 2026-04-11 18:42:04

●A2a01:238:20a:202:1087::2026-02-15 → 2026-04-11 · 3 obs

○ 2017-08-10 20:21:54
● 2026-02-15 18:58:24
● 2026-04-11 18:42:04

●A81.169.145.872026-02-15 → 2026-04-11 · 3 obs

○ 2017-08-10 20:21:54
● 2026-02-15 18:58:24
● 2026-04-11 18:42:04

○A91.184.49.1692017-07-25 → 2017-08-10 · 5 obs

○ 2016-12-13 00:23:04
● 2017-07-25 03:45:18
● 2017-08-10 20:21:54
○ 2026-02-15 18:58:24
○ 2026-04-11 18:42:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
koeln	ns1.ryce-rsp.com, ns1.dns.business, dns.ryce-rsp.com	6 records
apps.koeln	shades01.rzone.de, docks10.rzone.de	-

✅ Authoritative Response

Server:185.132.34.128

NS records: shades01.rzone.de, docks10.rzone.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for apps.koeln (unsigned zone)

⏱️ Timing

Total: 879ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`81.169.145.87`
AAAA	1	`2a01:238:20a:202:1087::`
NS	2	`docks10.rzone.de, shades01.rzone.de`
MX	1	`smtpin.rzone.de (pri: 5)`
TXT	1	`40876493d14325f3b55d439fa0d727315df81ed6`
SOA	1	`docks10.rzone.de hostmaster.strato-rz.de`

📌 Glue Records Collected

Total: 6

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

Analysis

Hierarchy

mail.apps.koeln has apps.koeln as its parent.

IP Addresses

apps.koeln points to two IPs: 2a01:238:20a:202:1087:: and 81.169.145.87.

Other host names, for instance digi-notes.de, amc-frankfurt.com, tcs-schiefbahn.de, unsion.de and internetumfrage.de share IP numbers with apps.koeln.

Name Servers

Two name servers docks10.rzone.de and shades01.rzone.de are delegated to apps.koeln.

apps.koeln uses the same name server configuration as other domains, such as lipphardt.net, herz-berg.eu, ozmedia.de, customwatchmod.com and easyexpat.net.

apps.koeln at least partially shares name servers with other domains such as bergfeld.eu, crauss.com, freeation.com, gaeng.de and pixelized.nl.

These name servers are often used together with docks13.rzone.de, docks03.rzone.de, shades11.rzone.de, shades05.rzone.de, shades19.rzone.de, docks02.rzone.de, docks05.rzone.de, shades13.rzone.de, shades07.rzone.de and docks16.rzone.de.

Host names with two IPs:

docks10.rzone.de points to 2001:8d8:fe:53:5747:2a74:d:10 and 217.160.80.137.

shades01.rzone.de points to 2607:f1c0:fe:53:185:132:34:128 and 185.132.34.128.

Mail Servers

apps.koeln is handled by a single mail server, smtpin.rzone.de.

apps.koeln shares the same mail server setup as other domains, including lunamag.com, bad-urach.txt.de, arseventi.net, crazylogic.de and grieco.de.

Host name smtpin.rzone.de points to IPs 2a01:238:20a:202:50f0::1097 and 81.169.145.97.

apps.koeln - robtex.com

apps.koeln

koeln

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`apps.koeln`

`koeln`