mail.cdcs.de - robtex.com

mail.cdcs.de

DNSSEC⚠️ Not signed
A2606:4700:3031::ac43:ceb9🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3034::6815:3d3b🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.61.59Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.206.185🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.61.59, 172.67.206.185
IPv6 hints2606:4700:3031::ac43:ceb9, 2606:4700:3034::6815:3d3b
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=31, name=cloudflare-ech.com

cdcs.de

DNSSEC⚠️ Not signed
A2606:4700:3031::ac43:ceb9🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3034::6815:3d3b🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.61.59Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.206.185🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSsimon.ns.cloudflare.com ⭐
NSyolanda.ns.cloudflare.com
MXmx01.routing.net ⭐
MXmx02.routing.net ⭐
MXmx03.routing.net ⭐
MXmxbackup.routing.net(20)
TXTv=spf1 include:spf.routing.net ?all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.61.59, 172.67.206.185
IPv6 hints2606:4700:3031::ac43:ceb9, 2606:4700:3034::6815:3d3b
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=31, name=cloudflare-ech.com
SOAsimon.ns.cloudflare.comdns@cloudflare.com serial=2402837589

Previously MX for

cdcs.de

Same first word

mail.si
mail.gov.rw
mail.gov.bs
mail.ca
mail.je
mail.ks.ua
mail.org.br
mail.technology
mail.edu.ru
mail.edu.az
mail.global
mail.bambina.jp
mail.hu.net
mail.whitesnow.jp
mail.se
mail.keymachine.de
mail.gd
mail.ms.gov.br
mail.csx.cc
mail.basicserver.io
mail.coupons
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mail.serveminecraft.net
mail.gov.cn
mail.staba.jp
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mail.tech
mail.rakkestad.no
mail.gov.bm
mail.com.py
mail.guru
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mail.pm
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mail.coach
mail.abbott
mail.weir
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mail.et
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mail.bz
mail.fakefur.jp
mail.sb
mail.ht
mail.ax
mail.spdns.eu
mail.collegefan.org
mail.com.cn
mail.cab
mail.vn.ua
mail.lat
mail.mg.gov.br
mail.kiev.ua
mail.mydns.tw
mail.report
mail.fail
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mail.blogspot.com
mail.gob.bo
mail.dnsfor.me
mail.dix.asia
mail.gov.nr
mail.sg
mail.eu.com
mail.camp
mail.nic.za
mail.pink
mail.vg
mail.guide
mail.chips.jp
mail.info
mail.simplesite.com

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imal.ma
almi.org
aiml.com
mail.in-brb.de
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mail.com.hk
mail.neustar
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mail.broker
mail.school
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imal.nl
mail.ps
mail.edu.ee
liam.media
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mail.edu.tt
ilam.us
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ilma.dev
amil.in
laim.com
ailm.de
ilma.de
imla.org
ilma.net
lmia.fr
lima.be
almi.info
liam.se
imal.es
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mali.co.th
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almi.cz

DNS History

6 records (4 active, 2 former)

20162017201820192020202120222023202420252026A104.21.61.59172.67.206.1852606:4700:3031::ac43:ceb92606:4700:3034::6815:3d3b134.0.28.1079.133.53.15
●A104.21.61.592026-04-08 → 2026-04-30 · 3 obs
○ 2016-04-30 09:18:28
● 2026-04-08 14:07:10
● 2026-04-30 14:34:16
○A134.0.28.102026-04-08 → 2026-04-30 · 2 obs
○ 2026-04-08 14:07:10
○ 2026-04-30 14:34:16
●A172.67.206.1852026-04-08 → 2026-04-30 · 3 obs
○ 2016-04-30 09:18:28
● 2026-04-08 14:07:10
● 2026-04-30 14:34:16
●A2606:4700:3031::ac43:ceb92026-04-08 → 2026-04-30 · 3 obs
○ 2016-04-30 09:18:28
● 2026-04-08 14:07:10
● 2026-04-30 14:34:16
●A2606:4700:3034::6815:3d3b2026-04-08 → 2026-04-30 · 3 obs
○ 2016-04-30 09:18:28
● 2026-04-08 14:07:10
● 2026-04-30 14:34:16
○A79.133.53.152015-07-01 → 2016-04-30 · 4 obs
● 2015-07-01 01:36:44
● 2016-04-30 09:18:28
○ 2026-04-08 14:07:10
○ 2026-04-30 14:34:16

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dez.nic.de, a.nic.de, f.nic.de-
cdcs.desimon.ns.cloudflare.com, yolanda.ns.cloudflare.com-

✅ Authoritative Response

Server:173.245.58.241

NS records: simon.ns.cloudflare.com, yolanda.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cdcs.de (unsigned zone)

⏱️ Timing

Total: 758ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.61.59, 172.67.206.185
AAAA22606:4700:3031::ac43:ceb9, 2606:4700:3034::6815:3d3b
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

IP Addresses

mail.cdcs.de maps to four IP numbers: 2606:4700:3031::ac43:ceb9, 2606:4700:3034::6815:3d3b, 104.21.61.59 and 172.67.206.185.

Other host names, for instance shoppingown.com, yichuanxian.meiri-yandex.cloud, www.ysk.cc, rongxian.meiri-yandex.cloud and daiyuequ.meiri-yandex.cloud share IP numbers with mail.cdcs.de.